Publications

2024

Map showing contours of maximum predicted MMI for Ferndale earthquake

Lux, A. I., D. Smith, M. Böse, J. J. McGuire, J. K. Saunders, M. Huynh, I. Stubailo, J. Andrews, G. Lotto, B. Crowell, et al. (2024). Status and Performance of the ShakeAlert Earthquake Early Warning System: 2019–2023, Bull. Seismol. Soc. Am. XX, 1-22.
doi: 10.1785/0120230259 | reprint

Map view of seismicity distribution along the CSAF

Cheng, Y., Bürgmann, R.M. & Allen, R.M (2024). 3D architecture and complex behavior along the simple central San Andreas fault, Nat. Commun., 15, 5390.
doi: 10.1038/s41467-024-49454-z | reprint

2023

3-story test structure on PEER shake table

Patel, S.C., S. Günay, S. Marcou, Y. Gou, U. Kumar, R.M. Allen (2023). Toward Structural Health Monitoring with the MyShake Smartphone Network, Sensors 2023, 23, 8668.
doi: 10.3390/s23218668 | reprint

Map of intensity distribution from felt reports in Los Angeles area for 2020 M4.5 earthquake

Kong, Q., R. M. Allen, S. Allen, T. Bair, A. Meja, S. Patel, J. Strauss, and S. Thompson (2023). Crowdsourcing Felt Reports Using the MyShake Smartphone App, Seismol. Res. Lett., 94, 2326-2336.
doi: 10.1785/0220230027 | reprint

Image of DAS cable in Monterey Bay, California

Romanowicz, B., R.M. Allen, K. Brekke, L.-W. Chen, Y. Gou, I. Henson, J. Marty, D. Neuhauser, B. Pardini, T. Taira, et al. (2023). SeaFOAM: A Year-Long DAS Deployment in Monterey Bay, California, Seismol. Res. Lett., 94, 2348-2359.
doi: 10.1785/0220230047 | reprint

Map of tsunami alerting areas along Western US coast for hypothetical M7.6 earthquake

Williamson A., R.M. Allen (2023). Improving Efficacy of Tsunami Warnings Along the West Coast of the United States, Pure Appl. Geophys., 180, 1661-1678.
doi: 10.1007/s00024-023-03277-z | reprint

Map of earthquake location error

Williamson A., A. Lux, R.M. Allen (2023). Improving Out of Network Earthquake Locations Using Prior Seismicity for Use in Earthquake Early Warning, Bulletin of the Seismological Society of America, 113 (2), 664-675.
doi: 10.1785/0120220159 | reprint

Cheng, Y., R.M. Allen, T. Taira (2023). A new focal mechanism calculation algorithm (REFOC) using inter-event relative radiation patterns: Application to the earthquakes in the Parkfield area. Journal of Geophysical Research: Solid Earth, 128, e2022JB025006.
doi: 10.1029/2022JB025006 | reprint

2022

California map showing MMI shaking

Patel, S., R.M. Allen (2022). The MyShake App: User Experience of Early Warning Delivery and Earthquake Shaking, Seismo. Res. Lett., 93 (6): 3324-3336.
doi: 10.1785/0220220062 | reprint

Building image with color map overlayed

Chachra, G., Q.Kong, J.Huang, S. Korlakunta, J. Grannen, A. Robson, R.M. Allen (2022). Detecting damaged buildings using real-time crowdsourced images and transfer learning, Sci Rep, 12, 8968.
doi: 10.1038/s41598-022-12965-0 | reprint

Map of Chile earthquake depth from 1877 to 2007

Medina M., R. Sanchez, S. Riquelme, M. C. Flores, P. Koch, F. Bravo, S. Barrientos, I. Henson, A. Chung, D. Melgar, C. Mpodozia, M. Hellweg, R.M. Allen (2022). An Earthquake Early Warning System for Northern Chile Based on ElarmS-3, Seismol. Res. Lett., 93, 3337-3347.
doi: 10.1785/0220210331 | reprint

graph of number of people with access to EEW

Allen R.M., M. Stogaitis (2022). Global growth of earthquake early warning: Public-private partnerships provide a method for vastly expanding sensor networks, Science, 375, 717-718.
doi: /10.1126/science.abl5435 | reprint

globe showing submarine cables

Castellanos, J.C. et al. (2022). Optical polarization-based sensing and localization of submarine earthquakes, In 2022 Optical Fiber Communications Conference and Exhibition (OFC), IEEE, pp. 1-3
view online | reprint

2021

graph of subslab mantle flow

Karlowska, E., I.D. Bastow, S. Rondenay, R. Martin-Short, R.M. Allen (2021). The development of seismic anisotropy below south-central Alaska: evidence from local earthquake shear wave splitting, Geophys. J. Int., 225, 548–554 doi: 10.1093/gji/ggaa603 | reprint

2020

graphic showing movement of earthquake alert from station to phone

Allen, R.M., Q. Kong, R. Martin-Short (2020). The MyShake Platform: A Global Vision for Earthquake Early Warning. Pure Appl. Geophys. 177, 1699–1712 doi: 10.1007/s00024-019-02337-7 | reprint

Pritchard, M. E., R. M. Allen, T. W. Becker, M. D. Behn, E. E. Brodsky, R. Bürgmann, C. Ebinger, J. T. Freymueller, M. Gerstenberger, B. Haines, et al. (2020). New Opportunities to Study Earthquake Precursors, Seismol. Res. Lett. 91, 2444–2447 doi: 10.1785/0220200089 | reprint

Map of MyShake phones in Bay Area triggered

Kong, Q., R. Martin- Short, and R. M. Allen (2020). Toward Global Earthquake Early Warning with the MyShake Smartphone Seismic Network, Part 1: Simulation Platform and Detection Algorithm, Seismol. Res. Lett. 91, 2206–2217. doi: 10.1785/0220190177 | reprint

Kong, Q., R. Martin- Short, and R. M. Allen (2020). Toward Global Earthquake Early Warning with the MyShake Smartphone Seismic Network, Part 2: Understanding MyShake Performance around the World Seismo. Res. Lett. 91, p2218-2233.
doi: 10.1785/0220190178 | reprint

Areas of world where MyShake platform has been simulated
California Governor giving speech

Strauss, J.A., Q. Kong, S. Pothan, S. Thompson, A. Mejia, S. Allen, S. Patel, R.M. Allen (2020). MyShake Citizen Seismologists help launch dual-use seismic network in California. Front. Commun. 5:32. doi: 10.3389/fcomm.2020.00032 | reprint

2019

Kong, Q., S. Patel, A. Inbal, R.M. Allen. MyShake: Detecting and characterizing earthquakes with a global smartphone seismic network. Seismo. Res. Lett. arXiv:1904.09755 | reprint

Map of earthquakes that MyShake has recorded decent waveforms from.
model of slab weakness in Gorda region.

The fragmented death of the Farallon plate. Geophysical Research Letters, 46, 7386–7394. doi: 10.1029/2019GL083437 | reprint

Allen, R.M., D. Melgar (2019). Earthquake Early Warning: Advances, Scientific Challenges, and Societal Needs. Annu. Rev. Earth Planet. Sci. 47:361–88.
doi: 10.1146/annurev-earth-053018- 060457 | reprint

Plot of shaking intensity versus seconds after origin time of various shaking forecast methods.
Model of S-wave velocity near Alaskan Subduction Zone

Venereau, C.M.A., R. Martin‐Short, I.D. Bastow, R.M. Allen, R. Kounoudis (2019). The role of variable slab dip in driving mantle flow at the eastern edge of the Alaskan subduction margin: insights from SKS shear‐wave splitting. Geochem, Geophys, Geosys.
doi: 10.1029/2018GC008170 | reprint

Ruhl, C. J., Melgar, D., Chung, A. I.,Grapenthin, R., & Allen, R. M. (2019). Quantifying the value of real‐time geodetic constraints for earthquake early warning using a global seismic and geodetic data set. J. Geophysical Research: Solid Earth,124.
doi: 10.1029/2018JB016935 | reprint

Plot of warning times for ElarmS and G-larmS
Noise model for Los Angeles basin.

Inbal, A., Q. Kong, W. Savran, R.M. Allen (2019). On the Feasibility of Using the Dense MyShake Smartphone Array for Earthquake Location. Seismo. Res. Lett. 90 (3) p1209-1218.
doi: 10.1785/0220180349 | reprint

Chung, A.I., I. Henson, R.M. Allen (2019). Optimizing Earthquake Early Warning Performance: ElarmS‐3. Seismo. Res. Lett. 90 (2A) p727-743.
doi: 10.1785/0220180192 | reprint

Frequency bands for local and teleseismic earthquakes
MyShake area distribution during day and night

Kong Q., Q. Lv, R.M. Allen (2019). Earthquake Early Warning and Beyond: Systems Challenges in Smartphone-based Seismic Network. HotMobile ‘19 - Proceedings of the 20th International Workshop on Mobile Computing Systems and Applications, p57-62.
doi: 10.1145/3301293.3302377 | reprint

Kong, Q., A. Inbal, R.M. Allen, Q. Lv, A. Puder (2019). Machine Learning Aspects of the MyShake Global Smartphone Seismic Network. Seismo. Res. Lett. 90 (2A) p546-552.
doi: 10.1785/0220180309 | reprint

Diagram of MyShake data path
back-azimuth plots for M3.5 earthquake

Nof, R.N., A.I. Chung, H. Rademacher, L. Dengler, R.M. Allen (2019) MEMS Accelerometer Mini-Array (MAMA): A Low-cost Implementation for Earthquake Early Warning Enhancement. Earthquake Spectra: February 2019, Vol. 35, No. 1, pp. 21-38.
doi: 10.1193/021218EQS036M | reprint

Ruhl, C.J., D. Melgar, J. Geng, D.E. Goldberg, B.W. Crowell, R.M. Allen, Y. Bock, S. Barrientos, S. Riquelme, J.C. Baez, E. Cabral-Cano, X. Pérez-Campos, E.M. Hill, M. Protti, A. Ganas, M. Ruiz, P. Mothes, P. Jarrín, J.-M. Nocquet, J.- P. Avouac, E. D'Anastasio (2019). A Global Database of Strong-Motion Displacement GNSS Recordings and an Example Application to PGD Scaling. Seismo. Res. Lett., 90 (1) 271-279.
doi: 10.1785/0220180177 | reprint

peak ground displacement with distance. Shape indicates positive or negative residual.

2018

cartoon showing minor damage to buildings

Rochford K, Strauss JA, Kong Q and Allen RM (2018) MyShake: Using Human-Centered Design Methods to Promote Engagement in a Smartphone-Based Global Seismic Network. Front. Earth Sci. 6:237.
doi: 10.3389/feart.2018.00237 | reprint

Martin-Short, R., Allen, R., Bastow, I. D., Porritt, R. W., & Miller, M. S. (2018). Seismic imaging of the Alaska subduction zone: Implications for slab geometry and volcanism. Geochemistry, Geophysics, Geosystems, 19, 4541–4560.
doi: 10.1029/2018GC007962 | reprint

Teleseismic model of Alaska
Manual P-wave pics over map of Japan

Goldberg, D. E., Melgar, D., Bock, Y., & Allen, R. M. (2018). Geodetic observations of weak determinism in rupture evolution of large earthquakes. Journal of Geophysical Research: Solid Earth, 123, 9950–9962.
doi: 10.1029/2018JB015962 | reprint

Allen, R.M., E.S. Cochran, T. Huggins, S. Miles, D. Otegui (2018), Lessons from Mexico’s earthquake early warning system, EOS, 99
doi: 10.1029/2018EO105095 | reprint

Building with significant crack damage near windows
image of thumbnail on ShakeAlert implementation.

Given, D.D., Allen, R.M., Baltay, A.S., Bodin, P., Cochran, E.S., Creager, K., Gee, L.S., Hauksson, E., Heaton, T.H., Hellweg, M., Murray, J.R., Thomas, V.I., Toomey, D., and Yelin, T.S., 2018, Revised technical implementation plan for the ShakeAlert system—An earthquake early warning system for the West Coast of the United States: U.S. Geological Survey Open-File Report 2018–1155, 42 p.
doi: 10.3133/ofr20181155 | reprint

Cochran, E.S., Aagaard, B.T., Allen, R.M., Andrews, J., Baltay, A.S., Barbour, A.J., Bodin, P., Brooks, B.A., Chung, A., Crowell, B.W., Given, D.D., Hanks, T.C., Hartog, J.R., Hauksson, E., Heaton, T.H., McBride, S., Meier, M-A., Melgar,D., Minson, S.E., Murray, J.R., Strauss, J.A., and Toomey, D., 2018, Research to improve ShakeAlert earthquake early warning products and their utility: U.S. Geological Survey Open-File Report 2018–1131, 17 p.
doi: 10.3133/ofr20181131 | reprint

Maps of warning and shaking intensity for Northern California
Plot of power spectrum density versus frequency for phones

Kong, Q., R. M. Allen, M.D. Kohler, T.H. Heaton and J. Bunn (2018), Structural health monitoring of buildings using smartphone sensors, Seismo. Res. Lett., 89, 594-602
doi: 10.1785/0220170111 | reprint

2017

Allen, R.M., E.S. Cochran, T. Huggins, S. Miles, D. Otegui (2017), Quake warnings, seismic culture, Science, 358, 1111
doi: 10.1126/science.aar4640 | reprint

Building with significant cracks
Shaking intensity maps using G-larmS

Ruhl, C.J., D. Melgar, R. Grapenthin, and R.M. Allen (2017), The value of real-time GNSS to earthquake early warning, 44, 8311-8319
doi: 10.1002/2017GL074502 | reprint

Kong, Q., R. M. Allen, and L. Schreier (2017), MyShake: Building a global smartphone seismic network, Geostrata, 44-53, July/August 2017
reprint

cartoon of stick figures talking about MyShake App
Earthquake source distribution plot

Cheng, C., T. Bodin, B. Tauzin, and R. M. Allen (2017), Cascadia subduction slab heterogeneity revealed by three dimensional receiver function Kirchhoff migration, Geophys. Res. Lett., 44 694–701
doi: 10.1002/2016GL072142 | reprint

2016

Hawley, W.B., R.M. Allen, M.A. Richards, (2016), Tomography reveals buoyant asthenosphere accumulating beneath the Juan de Fuca plate, Science, 353, 1406-1408, doi: 10.1126/science.aad8104 | reprint | supplement | video, images and more

tomographic model under Juan de Fuca plate.
Maps of rupture scenarios along Cascadia subduction zone

Melgar, D., R.J. LeVeque, D.S. Dreger, and R.M. Allen, (2016), Kinematic rupture scenarios and synthetic displacement data: An example application to the Cascadia subduction zone, J. Geophys. Res. Solid Earth, 121 6658-6674,
doi: 10.1002/2016JB013314 | reprint

Martin-Short, R,. R. M. Allen, I.D. Bastow, (2016), Subduction geometry beneath south-central Alaska and its relationship to volcanism, Geophys. Res. Lett., 43, 9509-9517,
doi: 10.1002/2016GL070580 | reprint

Map of volcanos in Alaska
Map of phones with MyShake app worldwide

Kong, Q,. R. M. Allen, L. Schreier, (2016), MyShake: Initial Observations from a Global Smartphone Seismic Network, Geophys. Res. Lett., 106, 9369-10,
doi: 10.1002/2016GL070955 | reprint
Join the community; myshake.berkeley.edu

Nof, R.N., R.M. Allen (2016), Implementing the ElarmS Earthquake Early Warning Algorithm on the Israeli Seismic Network, Bull. Seis. Soc. Am., 106, 2332-2344, doi: 10.1785/0120160010 | reprint

alerting contours for earthquake in Isreal
Circles proportional to millions of dollars saved with ShakeAlert

Strauss, J.A., R. M. Allen (2016), Benefits and Costs of Earthquake Early Warning, Seismo. Res. Lett., 87, 765-772, doi: 10.1785/0220150149 | reprint

Kong, Q,. R. M. Allen, L. Schreier, Y.-W. Kwon (2016), MyShake: A smartphone seismic network for earthquake early warning and beyond, Sci. Adv., 2, e1501055, doi: 10.1126/sciadv.1501055 | reprint | supplement |

Join the community; myshake.berkeley.edu

Phone with MyShake app
map of Tohoku warnings with Tsunami amplitude

T-larmS: Melgar, D., R. M. Allen, S. Riquelme, J. Geng, F. Bravo, J. C. Baez, H. Parra, S. Barrientos, P. Fang, Y. Bock, M. Bevis, D. J. Caccamise, C. Vigny, M. Moreno, R. Smalley (2016), Local tsunami warnings: Perspectives from recent large events, Geophys. Res. Lett., 43, 1109–1117, doi: 10.1002/2015GL067100 | reprint

Cheng, C., T. Bodin, R.M. Allen (2016), Three-dimensional pre-stack depth migration of receiver functions with the fast marching method: a Kirchhoff approach, Geophys. J. Int., 205, 819-829, doi: 10.1093/gji/ggw062 | reprint

models of elastic scattering
tsunami height and slip for Chile earthquake

Melgar, D., W. Fan, S. Riquelme, J. Geng, C. Liang, M. Fuentes, G. Vargas, R. M. Allen, P. M. Shearer, and E. J. Fielding (2016), Slip segmentation and slow rupture to the trench during the 2015, Mw8.3 Illapel, Chile earthquake, Geophys. Res. Lett., 43, 961–966, doi: 10.1002/2015GL067369 | reprint

2015

Diagram of mantle flow geometry

Martin-Short, R., R.M. Allen, I.D. Bastow, E. Totten and M.A. Richards (2015), Mantle flow geometry from ridge to trench beneath the Gorda–Juan de Fuca plate system, Nature Geoscience, 8, 965-968, doi: 10.1038/NGEO2569 | reprint | NatureGeo news & views | supplementary info | Cascadia Initiative info and videos

Melgar, D., B.W. Crowell, J. Geng, R.M. Allen, Y. Bock, S. Riquelme, E.M. Hill, M. Protti, A. Ganas (2015), Earthquake magnitude calculation without saturation from the scaling of peak ground displacement Geophys. Res. Lett., 42, 5197–5205, doi: 10.1002/2015GL064278 | reprint

plot of PGD versus distance for various earthquakes
flow chart of early warning algorithm

Kuyuk, H.S., S. Colombelli, A. Zollo, R.M. Allen, M.O. Erdik (2015), Automatic earthquake confirmation for early warning system, Geophys. Res. Lett., 42, 5266–5273, doi: 10.1002/2015GL063881 | reprint

Melgar, D., J. Geng, B.W. Crowell, J.S. Haase, Y. Bock, W.C. Hammond, R.M. Allen (2015), Seismogeodesy of the 2014 Mw6.1 Napa earthquake, California: Rapid response and modeling of fast rupture on a dipping strike-slip fault J. Geophys. Res., 120, 5013–5033, doi: 10.1002/2015JB011921 | reprint

Slip model
Model of mantle plume under Hawai'i

Cheng, C., R.M. Allen, R.W. Porritt, and M.D. Ballmer (2015), Seismic constraints on a double‐layered asymmetric whole‐mantle plume beneath Hawai‘i, chap 2 of Carey, R. J., V. Cayol, M. P. Poland, and D. Weis (eds.), Hawaiian Volcanoes: From Source to Surface, American Geophysical Union Monograph 208, pp 19–34, doi:10.1002/9781118872079.ch2 | reprint

Brocher, T.M., A.S. Baltay, J.L. Hardebeck, F.F. Pollitz, J.R. Murray, A.L. Llenos, D.P. Schwartz, J.L. Blair, D.J. Ponti, J.J. Lienkaemper, V.E. Langenheim, T.E. Dawson, K.W. Hudnut, D.R. Shelly, D.S. Dreger, J. Boatwright, B.T. Aagaard, D.J. Wald, R.M. Allen, W.D. Barnhart, K.L. Knudsen, B.A. Brooks, K.M. Scharer (2015), The Mw 6.0 24 August 2014 South Napa Earthquake, Seismo. Res. Lett., 86, 309-326, doi:10.1785/0220150004 | reprint

map of seismic stations and faults near Napa earthquake
close-up on map of cross-correlations

Maceira, M., C. Larmat, R.W. Porritt, D.M. Higdon, C.A. Rowe, and R.M. Allen (2015), On the validation of seismic imaging methods: Finite frequency or ray theory?, Geophys. Res. Lett., 42, 323–330, doi:10.1002/2014GL062571 | reprint

2014

G-larmS: Grapenthin, R., I. Johanson, and R.M. Allen (2014), The 2014 Mw 6.0 Napa earthquake, California: Observations from real-time GPS-enhanced earthquake early warning, Geophys. Res. Lett., 41, doi:10.1002/2014GL061923 | reprint

Model of area east of Rocky Mountains

Porritt, R.W., R.M. Allen, F.F. Pollitz (2014) Seismic imaging east of the Rocky Mountains with USArray Earth Planet. Sci. Lett. 402, 16-25, doi:10.1016/j.epsl.2013.10.034 | reprint | data

Meng, L., R.M. Allen, and J.-P. Ampuero (2014), Application of Seismic Array Processing to Earthquake Early Warning, Bull. Seismo. Soc. Am., 104, 2553-2561, doi:10.1785/0120130277 | reprint

Stacking analysis graph produced in study
Station network and slip model generated in study

G-larmS: Grapenthin, R., I.A. Johanson, and R.M. Allen (2014), Operational real-time GPS-enhanced earthquake early warning, J. Geophys. Res. Solid Earth, 119, 7944–7965, doi:10.1002/2014JB011400 | reprint

Toomey, D.R., R.M. Allen, A.H. Barclay, S.W. Bell, P.D. Bromirski, R.L. Carlson, X. Chen, J.A. Collins, R.P. Dziak, B. Evers, D.W. Forsyth, P. Gerstoft, E.E.E. Hooft, D. Livelybrooks, J.A. Lodewyk, D.S. Luther, J.J. McGuire, S.Y. Schwartz, M. Tolstoy, A.M. Tréhu, M. Weirathmueller, and W.S.D. Wilcock (2014) The Cascadia Initiative: A sea change in seismological studies of subduction zones Oceanography, 27, 138-150, doi:10.5670/oceanog.2014.49 reprint

Map of ocean bottom seismometers near Cascadia
diagram of ShakeAlert model

ShakeAlert: Given, D.D., E.S. Cochran, T. Heaton, E. Hauksson, R.M. Allen, P. Hellweg, J. Vidale, and P. Bodin (2014) Technical Implementation Plan for the ShakeAlert Production System—An Earthquake Early Warning System for the West Coast of the United States U.S. Geological Survey, Open File Report 2014-1097, 25p, doi:10.3133/ofr20141097 reprint

E-larmS: Kuyuk, H.S., R.M. Allen (2014) Designing a Network‐Based Earthquake Early Warning Algorithm for California: ElarmS‐2 Bull. Seismo. Soc. Am., 104, 162-173, doi:10.1785/0120130146 reprint

California map showing stations and earthquakes relevant to study
Plot of shaking near Christchurch epicenter

Lawrence, J.F., E.S. Cochran, A. Chung, A. Kaiser, C.M. Christensen, R.M. Allen, J.W. Baker, B. Fry, T. Heaton, D. Kilb, M.D. Kohler, and M. Taufer (2014) Rapid Earthquake Characterization Using MEMS Accelerometers and Volunteer Hosts Following the M 7.2 Darfield, New Zealand, Earthquake Bull. Seismo. Soc. Am., 104, 184-192, doi:10.1785/0120120196 reprint

Evans, L.R., R.M. Allen, A.I. Chung, E.S. Cochran, R. Guy, M. Hellweg, and J.F. Lawrence (2014) Performance of Several Low-Cost Accelerometers Seismo. Res. Lett. 85, 147-158, doi: 10.1785/0220130091 reprint

performance of accelerometers
CISN logo

ShakeAlert: Bӧse, M., R. Allen, H. Brown, G. Cua, M. Fischer, E. Hauksson, T. Heaton, M. Hellweg, M. Liukis, D. Neuhauser, P. Maechling & CISN EEW Group (2013) CISN ShakeAlert – An Earthquake Early Warning Demonstration System for California in: F. Wenzel and J. Zschau (eds.) Early Warning for Geological Disasters - Scientific Methods and Current Practice; ISBN: 978-3-642-12232-3, Springer Berlin Heidelberg New York. reprint

2013

Allen, R.M. (2013) Seconds count.
Nature 502, 29-31, doi:10.1038/502029a reprint

child holding onto a desk from underneath
plots of catalog magnitude

E-larmS: Kuyuk, H.S., R.M. Allen (2013) A global approach to provide magnitude estimates for earthquake early warning alerts Geophys. Res. Lett., 40, 6329-6333 doi:10.1002/2013GL058580 reprint

E-larmS: Kuyuk, H.S., R.M. Allen (2013) Optimal Seismic Network Density for Earthquake Early Warning: A Case Study from California Seismo. Res. Lett. doi:10.1785/0220130043 reprint

interstation contour maps of California
Map of slip estimate for Japan using GPS

G-larmS: Colombelli, S., R.M. Allen, A. Zollo (2013) Application of real-time GPS to earthquake early warning in subduction and strike-slip environments J. Geophys. Res., 118, 3448–3461, doi:10.1002/jgrb.50242 reprint

Porritt, R. (2013) Tracing the Farallon plate through seismic imaging with USArray PhD Thesis, University of California, Berkeley thesis

histogram of magnitude errors for various magnitude earthquakes

2012

image model of Farallon plate

E-larmS: Brown, H. (2012) Evaluating and Improving the ElarmS Earthquake Early Warning Algorithm PhD Thesis, University of California, Berkeley thesis

Berkeley Seismological Laboratory - Annual Report 2011-2012. Includes research summaries and operational reports: director's report | full report

model of creep rate and LOS velocity for Bay Area
tomography model of upper mantle

Zhao, L., R.M. Allen, T. Zheng, R. Zhu (2012) High-resolution body wave tomography models of the upper mantle beneath eastern China and the adjacent areas Geochem. Geophys. GeoSys., 13 Q06007, doi:10.1029/2012GC004119 reprint

Liu, K., A. Levander, Y. Zhai, R.W. Porritt, R.M. Allen, (2012) Asthenospheric flow and lithospheric evolution near the Mendocino Triple Junction, Earth Planet. Sci. Lett., 323, 60-71, doi: 10.1016/j.epsl.2012.01.020 reprint

map showing stations and plate motion for Northern California
tomography model

Obrebski, O., R.M. Allen, F. Zhang, J. Pan, Q. Wu,S.-H. Hung (2012) Shear wave tomography of China using joint inversion of body and surface wave constraints J. Geophys. Res., 117 B01311, doi:10.1029/2011JB008349 reprint

Allen, R.M. (2012) Transforming Earthquake Detection? Science 335, 297-298, doi: 10.1126/science.1214650 reprint

cartoon of people acting as seismic stations near Bay Area

2011

GPS motion along fault

G-larmS: Allen, R.M. and A. Ziv (2011) Application of real-time GPS to earthquake early warning Geophys. Res. Lett., 38 L16310, doi:10.1029/2011GL047947 reprint

Porritt, R.W., R.M. Allen, D.C. Boyarko, M.R. Brudzinski (2011) Investigation of Cascadia Segmentation with Ambient Noise Tomography Earth Planet. Sci. Lett. 185, 67-76, doi:10.1016/j.epsl.2011.06.026 reprint | data

ambient noise tomography model
Time-distance plot of earthquakes of various magnitudes

Allen, R.M. (2011) Earthquakes, Early and Strong Motion Warning in Encyclopedia of Solid Earth Geophysics, Harsh Gupta (ed) p226-233, Springer. reprint

Obrebski, M., R.M. Allen, F. Pollitz, S.-H. Hung (2011) Lithosphere-asthenosphere interaction beneath the western United States from the joint inversion of body-wave traveltimes and surface-wave phase velocities, Geophys. J. Int. 185, 1003-1021, doi:10.1111/j.1365-246X.2011.04990.x reprint | data

model of plume
cover of Scientific American featuring article Seconds Before the Big One

Allen, R.M. (2011)
Seconds before the big one
Scientific American, April 2011 reprint

E-larmS: Brown, H.M., R.M. Allen, M. Hellweg, O. Khainovski, D. Neuhauser, A. Souf (2011) Development of the ElarmS methodology for earthquake early warning: Realtime application in California and offline testing in Japan, Soil Dyn. Earthquake Eng. 31 188-200, doi:10.1016/j.soildyn.2010.03.008 reprint

2010

model of seismic anisotropy

Eakin, C.M., M. Obrebski, R.M. Allen, D.C. Boyarko, M.R. Brudzinski, R. Porritt (2010) Seismic anisotropy beneath Cascadia and the Mendocino triple junction: Interaction of the subducting slab with mantle flow, Earth Planet. Sci. Lett. 297 627-632, doi:10.1016/j.epsl.2010.07.015 reprint | data

Obrebski, M., R.M. Allen, M. Xue, S.-H. Hung (2010) Slab-plume interaction beneath the Pacific Northwest, Geophys. Res. Lett. 37, L14305, doi:10.1029/2010GL043489 reprint | data

model of slab-plume interaction

Wurman, G. (2010) Earthquake Early Warning and the Physics of Earthquake Rupture, PhD Thesis, University of California, Berkeley thesis

Xue, M. and R.M. Allen (2010) Mantle Structure Beneath the Western US and its Implications for Convection Processes, J. Geophys. Res. 115, B07303, doi:10.1029/2008JB006079 reprint | data

Audet, P., M.G. Bostock, D.C. Boyarko, M.R. Brudzinski, R.M. Allen (2010) Slab morphology in the Cascadia fore arc and its relation to episodic tremor and slip J.Geophys. Res., 115, B00A16, doi:10.1029/2008JB006053. reprint

2009

Allen, R.M., P. Gasparini and O. Kamigaichi (eds) (2009) Earthquake Early Warning, Special Issue, Seismo. Res. Lett., 80, (5) p682-782. contents | full

Allen, R.M., P. Gasparini, O. Kamigaichi, M. Bose (2009) The Status of Earthquake Early Warning around the World: An Introductory Overview Seismo. Res. Lett., 80, (5) p682-693, doi: 10.1785/gssrl.80.5.682. reprint

E-larmS: Brown, H., R.M. Allen, V. Grasso (2009) Testing ElarmS in Japan Seismo. Res. Lett., 80, (5) p727-739, doi: 10.1785/gssrl.80.5.727. reprint

Zhao, L., R.M. Allen, T. Zheng, S.-H. Hung (2009) Reactivation of an Archean craton: Constraints from P- and S-wave tomography in North China Geophys. Res. Lett., 36 L17306, doi:10.1029/2009GL039781. reprint

Lay, T., R.C. Aster, D.W. Forsyth, B. Romanowicz, R.M. Allen, V.F. Cormier, J. Gomberg, J.A. Hole, G. Masters, D. Schutt, A. Sheehan, J. Tromp, M.E. Wysession (2009) Seismological Grand Challenges in Understanding Earth's Dynamic Systems Published by the Incorporated Research Institutions for Seismology. reprint

Allen, R.M., P. Gasparini and O. Kamigaichi (eds) (2009) New Methods and Applications of Earthquake Early Warning Geophys. Res. Lett., 36. contents

E-larmS: Allen, R.M., H. Brown, M. Hellweg, O. Khainovski, P. Lombard, D. Neuhauser (2009) Real-time earthquake detection and hazard assessment by ElarmS across California Geophys. Res. Lett., 36 L00B08, doi:10.1029/2008GL036766. reprint

2008

Allen, R.M. (2008) At First Jolt: Will we have warnings for the next big earthquake? Geotimes, 53 (10), p52-59. reprint

Shieh, J.T., Y.M. Wu, R.M. Allen (2008) A comparison of tau-c and tau-p-max for magnitude estimation in earthquake early warning Geophys. Res. Lett., 35, L20301, doi:10.1029/2008GL035611. reprint

Xue, M. (2008) Using Seismic Methods to Constrain Mantle Convection Processes, PhD Thesis, University of California, Berkeley thesis

E-larmS: Olivieri, M., R.M. Allen and G. Wurman (2008) The potential for Earthquake Early Warning in Italy using ElarmS, Bull. seism. Soc. Am. 98, p495-503, doi: 10.1785/0120070054 reprint

2007

Allen, R.M. (2007) Earthquake hazard mitigation: New directions and opportunities, In "Treatise on Geophysics", G. Schubert (ed.), Vol 4 (H. Kanamori ed.), p607-648, Elsevier. reprint

Xue, M. and R.M. Allen (2007) The Fate of the Juan de Fuca Plate: Implications for a Yellowstone Plume Head, Earth Planet. Sci. Lett. 264, p266-276, doi:10.1016/j.epsl.2007.09.047. reprint

Brudzinski, M. and R.M. Allen (2007) Segmentation in Episodic Tremor and Slip All Along Cascadia, Geology. 35 (10) 907-910, doi: 10.1130/G23740A.1 reprint

E-larmS: Tsang, L., R.M. Allen and G. Wurman (2007) Magnitude scaling relations from P-waves in southern California, Geophys. Res. Lett. 34 L19304, doi:10.1029/2007GL031077 reprint

E-larmS: Wurman, G., R.M. Allen and P. Lombard (2007) Toward Earthquake Early Warning in Northern California, J. Geophys. Res. 112, B08311, doi:10.1029/2006JB004830 reprint

Nolet, G., R.M. Allen and D. Zhao (2007) Mantle plume tomography, Chemical Geology 241, 248-263, doi: 10.1016/j.chemgeo.2007.01.022 reprint

E-larmS: Allen, R.M. (2007) The ElarmS earthquake early warning methodology and its application across California, In "Earthquake Early Warning Systems", P. Gasparini, G. Manfredi, J. Zschau (Eds), p. 21-44, Springer, ISBN-13 978-3-540-72240-3. reprint

Wu, Y-.M., H. Kanamori, R.M. Allen and E. Hauksson (2007) Determination of earthquake early warning parameters, tau-c and Pd, for southern California Geophys. J. Int. 170, 711-717, doi: 10.1111/j.1365-246X.2007.03430.x reprint

E-larmS: Lockman, A.B. and R.M. Allen (2007) Magnitude-period scaling relations for Japan and the Pacific Northwest: Implications for earthquake early warning Bull. seism. Soc. Am. 97 (1), 140-150, doi: 10.1785/0120040091 reprint

2006

Olson, E.L., and R.M. Allen (2006) Is earthquake rupture deterministic? (Reply) Nature, 442, E6, doi:10.1038/nature04964 reprint

E-larmS: Allen, R.M. (2006) Probabilistic warning times for earthquake ground shaking in the San Francisco Bay Area Seismo. Res. Lett. 77 (3), 371-376. reprint | electronic supplement

Waite,G.P., R.B. Smith R.M. Allen, (2006) Vp and Vs structure of the Yellowstone hot spot from teleseismic tomography: Evidence for an upper-mantle plume J. Geophys. Res. 111, B04303, doi:10.1029/2005JB003867. reprint

Xue, M. and R.M. Allen (2006) Origin of the Newberry Hotspot Track: Evidence from shear-wave splitting. Earth Planet. Sci. Lett. 244, 315-322, doi:10.1016/j.epsl.2006.01.066. reprint

Simons, F.J., B.D.E. Dando and R.M. Allen (2006) Automatic detection and rapid determination of earthquake magnitude by wavelet multiscale analysis of the primary arrival. Earth Planet. Sci. Lett. 250, 214-223, doi:10.1016/j.epsl.2006.07.039. reprint

2005

E-larmS: Lockman, A.B. and R.M. Allen (2005) Single station earthquake characterization for early warning. BSSA 95 (6), 2029-2039, doi: 10.1785/0120040241. reprint

Olson, E.L. (2005) A new way to look at fault rupture: Understanding and characterizing earthquake predominant period MSc Thesis, University of Wisconsin-Madison thesis

Wu, Y-.M., R.M. Allen, and C-.F. Wu (2005) Revised ML determination for crustal earthquakes in Taiwan BSSA 95 (6), 2517-2524, doi: 10.1785/0120050043. reprint

Olson, E.L., and R.M. Allen (2005) The deterministic nature of earthquake rupture. Nature 438, 212-215, doi:10.1038/nature04214 reprint

Xue, M. and R.M. Allen (2005) Asthenospheric channeling of the Iceland upwelling: Evidence from seismic anisotropy Earth Planet. Sci. Lett. 235, 167-182 doi:10.1016/j.epsl.2005.03.017 reprint (0.8Mb pdf)

Allen, R.M., and J. Tromp (2005) Resolution of regional seismic models: Squeezing the Iceland anomaly. Geophys. J. Int. 161, 373-386 doi: 10.1111/j.1365-246X.2005 .02600.x reprint (0.8Mb pdf)

2004

Allen, R.M. Rapid magnitude determination for earthquake early warning, (2004) in "The many facets of seismic risk" edited by G. Manfredi, M.R. Pecce, and A. Zollo, Napoli, Universita degli Studi di Napoli "Federico II", Napoli, Italy, p15-24. Proceedings of the "Workshop on Multidisciplinary Approach to Seismic Risk Problems," Sant'Angelo dei Lombardi, September 22, 2003, reprint (3.3Mb pdf)

2003

E-larmS: Allen, R.M., and H. Kanamori (2003) The potential for earthquake early warning in southern California, Science, 300, 786-789. reprint (0.35 Mb pdf)

Ritsema, J., and R.M. Allen (2003) The elusive mantle plume, Earth Planet. Sci. Lett., 207, 1-12. reprint (0.9 Mb pdf)

2002

Allen, R.M., G. Nolet, W.J. Morgan, K. Vogfjord, B.H. Bergsson, P. Erlendsson, G.R. Foulger, S. Jakobsdottir, B.R. Julian, M. Pritchard, S. Ragnarsson, and R. Stefansson (2002) Imaging the mantle beneath Iceland using integrated seismological techniques, Journal of Geophysical Research-Solid Earth, 107 (B12), 2325, doi: 10.1019/2001JB000595. reprint (1.4 Mb pdf)

Allen, R.M., G. Nolet, W.J. Morgan, K. Vogfjord, M. Nettles, G. Ekstrom, B.H. Bergsson, P. Erlendsson, G.R. Foulger, S. Jakobsdottir, B.R. Julian, M. Pritchard, S. Ragnarsson, and R. Stefansson (2002) Plume driven plumbing and crustal formation in Iceland, Journal of Geophysical Research-Solid Earth, 107 (B8), 10.1029/2001JB000584. reprint (6.4 Mb pdf)

Shen, Y., S.C. Solomon, I.T. Bjarnason, G. Nolet, W.J. Morgan, R.M. Allen, K. Vogfjord, S. Jakobsdottir, R. Stefansson, B. Julian, and G.F. Foulger (2002) Seismic Evidence for a Tilted Mante Plume and North-South Flow beneath Iceland, Earth and Planetary Science Letters, 197 (3-4), 261-272. reprint (0.6 Mb pdf)

Du, Z.J., G.R. Foulger, B.R. Julian, R.M. Allen, G. Nolet, W.J. Morgan, B.H. Bergsson, P. Erlendsson, S. Jakobsdottir, S. Ragnarsson, R. Stefansson, and K. Vogfjord (2002) Crustal structure beneath western and eastern Iceland from surface waves and receiver functions, Geophysical Journal International, 149 (2), 349-363. reprint (0.7 Mb pdf)

2001

Allen, R.M. (2001) Plumbing in Iceland: Imaging plate formation in the Earth's Interior, The Smilodon, 42 1-3. web version

Allen, R.M. (2001) The mantle plume beneath Iceland and its interaction with the North-Atlantic Ridge: A seismological investigation, PhD Thesis, Princeton University, Princeton, NJ. abstract

Foulger, G.R., M.J. Pritchard, B.R. Julian, J.R. Evans, R.M. Allen, G. Nolet, W.J. Morgan, B.H. Bergsson, P. Erlendsson, S. Jakobsdottir, S. Ragnarsson, R. Stefansson, and K. Vogfjord (2001) Seismic tomography shows that upwelling beneath Iceland is confined to the upper mantle, Geophysical Journal International, 146 (2), 504-530. reprint (2.8 Mb pdf)

Konstantinou, K.I., G. Nolet, W.J. Morgan, R.M. Allen, and M.J. Pritchard (2001) Seismic phenomena associated with the 1996 Vatnajokull eruption, central Iceland, Journal of Volcanology and Geothermal Research, 102 (1-2), 169-187. reprint (5.6 Mb pdf)

2000

Foulger, G.R., M.J. Pritchard, B.R. Julian, J.R. Evans, R.M. Allen, G. Nolet, W.J. Morgan, B.H. Bergsson, P. Erlendsson, S. Jakobsdottir, S. Ragnarsson, R. Stefansson, and K. Vogfjord, (2000) The seismic anomaly beneath Iceland extends down to the mantle transition zone and no deeper, Geophysical Journal International, 142 (3), F1-F5. reprint (0.9 Mb pdf)

1999

Allen, R.M., G. Nolet, W.J. Morgan, K. Vogfjord, B.H. Bergsson, P. Erlendsson, G.R. Foulger, S. Jakobsdottir, B.R. Julian, M. Pritchard, S. Ragnarsson, and R. Stefansson (1999) The thin hot plume beneath Iceland, Geophysical Journal International, 137 (1), 51-63. reprint (0.9 Mb pdf)

1998

van der Vink, G., R.M. Allen, J. Chapin, M. Crooks, W. Fraley, J. Krantz, A.M. Lavigne, A. LeCuyer, E.K. MacColl, W.J. Morgan, B. Ries, E. Robinson, K. Rodriquez, M. Smith, and K. Sponberg (1998) Why the United States is becoming more vulnerable to natural disasters, Eos, Transactions, American Geophysical Union, 79 (44), 533-537. reprint (6.9 Mb pdf)

van der Vink, G., J. Park, R.M. Allen, T. Wallace, and C. Hennet (1998) False accusations, undetected tests and implications for the CTB treaty, Arms Control Today, May 1998, 7-13. reprint (11.3 Mb pdf)