Exciting news! We're transitioning to the Statewide California Earthquake Center. Our new website is under construction, but we'll continue using this website for SCEC business in the meantime. We're also archiving the Southern Center site to preserve its rich history. A new and improved platform is coming soon!
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Thomas H. Heaton

California Institute of Technology
Emeritus Professor of Engineering & Seismology

Expertise: Engineering Seismology, Earthquake Sources
 
 
About Me Publications
Williams, E. F., Heaton, T. H., Zhan, Z., & Lambert, V. R. (2022, 09). Variability in the natural frequencies of a nine-story concrete building from seconds to decades. Poster Presentation at 2022 SCEC Annual Meeting. SCEC Contribution 12402
Filippitzis, F., Kohler, M. D., Massari, A. T., Roh, B., & Heaton, T. H. (2021, 08). Spectral Scaling Transfer Function Method for Scenario Ground Motion Simulation with Application to the 2019 Ridgecrest Earthquake Sequence. Poster Presentation at 2021 SCEC Annual Meeting. SCEC Contribution 11194
Filippitzis, F., Kohler, M. D., Heaton, T. H., Graves, R. W., Clayton, R. W., Guy, R., Bunn, J., & Chandy, K. (2020, 08). Ground Motion Response Study of Urban Los Angeles following the 2019 Ridgecrest Earthquake Sequence. Poster Presentation at 2020 SCEC Annual Meeting. SCEC Contribution 10638
Williams, E. F., Heaton, T. H., Lambert, V. R., & Zhan, Z. (2020, 08). Structural healing of Millikan Library over 20 years of continuous seismic monitoring. Poster Presentation at 2020 SCEC Annual Meeting. SCEC Contribution 10562
Clayton, R. W., Kohler, M. D., Guy, R., Bunn, J., Heaton, T. H., & Chandy, K. (2019, 08). CSN/LAUSD Network: A Dense Accelerometer Network in Los Angeles Schools. Poster Presentation at 2019 SCEC Annual Meeting. SCEC Contribution 9431
Meier, M., Ross, Z. E., Ramachandran, A., Balakrishna, A., Kundzicz, P., Nair, S., Li, Z., Hauksson, E., & Heaton, T. H. (2018, 08). Reliable Real-Time Signal/Noise Discrimination with Deep and Shallow Machine Learning Classifiers. Poster Presentation at 2018 SCEC Annual Meeting. SCEC Contribution 8837
Roh, B., Heaton, T. H., & Ross, Z. E. (2018, 08). Envelope-Based Early Warning Algorithm Using Nested Grid Search. Poster Presentation at 2018 SCEC Annual Meeting. SCEC Contribution 8440
Li, Z., Hauksson, E., Heaton, T. H., Rivera, L., & Andrews, J. R. (2018, 07). Checking Data Quality of Co-located Broadband and Strong-motion Sensors in Southern California Seismic Network. Poster Presentation at 2018 SCEC Annual Meeting. SCEC Contribution 8235
Meier, M., Ampuero, J., & Heaton, T. H. (2017, 08). What does an 'average' large subduction earthquake look like?. Poster Presentation at 2017 SCEC Annual Meeting. SCEC Contribution 7705
Buyco, K., & Heaton, T. (2017, 08). 70%-damped spectral acceleration as a ground motion intensity measure for predicting highly nonlinear response of structures. Poster Presentation at 2017 SCEC Annual Meeting. SCEC Contribution 7590
Böse, M., Smith, D. E., Felizardo, C., Meier, M., Heaton, T. H., & Clinton, J. (2017, 08). Rapid Line-Source and Ground-Motion Estimates for Earthquake Early Warning Using FinDer Version 2. Poster Presentation at 2017 SCEC Annual Meeting. SCEC Contribution 7557
Roh, B., Buyco, K., & Heaton, T. H. (2017, 08). NGA high-pass filters remove important real signals; simple tilt correction is preferable when predicting collapse.. Poster Presentation at 2017 SCEC Annual Meeting. SCEC Contribution 7434
Heaton, T. H., & Roh, B. (2016, 08). NGA 2 GMPE’s Under Predict Long-Period Near-Source Motions from Large Earthquakes . Poster Presentation at 2016 SCEC Annual Meeting. SCEC Contribution 6952
Liu, J., & Heaton, T. H. (2002). The Effect of Slip Variability on Earthquake Slip-length Scaling. Bulletin of the Seismological Society of America, (submitted). SCEC Contribution 686
Filippitzis, F., Kohler, M., Heaton, T., Graves, R., Clayton, R., Guy, R., Bunn, J., & Chandy, K. (2021). Ground motions in urban Los Angeles from the 2019 Ridgecrest earthquake sequence. Earthquake Spectra, 37(4), 2493-2522. doi: 10.1177/87552930211003916. SCEC Contribution 10931
Olsen, A. H., Heaton, T. H., & Hall, J. F. (2015). Characterizing Ground Motions That Collapse Steel Special Moment-Resisting Frames or Make Them Unrepairable. Earthquake Spectra, 31(2), 813-840. doi: 10.1193/102612EQS318M. SCEC Contribution 1529
Boese, M., Allen, R. M., Brown, H., Cua, G., Fischer, M., Hauksson, E., Heaton, T. H., Hellweg, M., Liukis, M., Neuhauser, D., Maechling, P. J., & CISN EEW Group, . (2013). CISN ShakeAlert – An Earthquake Early Warning Demonstration System for California. , : Springer. doi: 10.1007/978-3-642-12233-0_3. SCEC Contribution 1641
Olsen, A. H., Aagaard, B. T., & Heaton, T. H. (2008). Long-Period Building Response to Earthquakes in the San Francisco Bay Area. Bulletin of the Seismological Society of America, 98(2), 1047-1065. doi: 10.1785/0120060408. SCEC Contribution 1135
Wald, D. J., Heaton, T. H., & Hudnut, K. W. (1996). The Slip History of the 1994 Northridge, California, Earthquake Determined from Strong-Motion, Teleseismic, GPS, and Leveling Data. Bulletin of the Seismological Society of America, 86(1B, supplement), S49-S70. SCEC Contribution 239
Wald, D. J., & Heaton, T. H. (1994). Spatial and Temporal Distribution of Slip for the 1992 Landers, California, Earthquake. Bulletin of the Seismological Society of America, 84(3), 668-691. SCEC Contribution 97
Jones, L. M., Aki, K., Celebi, M., Donnellan, A., Hall, J. F., Harris, R. A., Hauksson, E., Heaton, T. H., Hough, S. E., Hudnut, K. W., Hutton, K., Johnston, M., Joyner, W., Marshall, G., Michael, A. J., Murray, M., Ponti, D. J., Reasenberg, P., Seeber, L., Shakal, A., Mori, J., Thio, H., Todorovska, M. I., Trifunac, M. D., Wald, D. J., & Zoback, M. (1994). The Magnitude 6.7 Northridge, California, Earthquake of January 17, 1994. Science, 266(5184), 389-397. doi: 10.1126/science.266.5184.389. SCEC Contribution 139
Kanamori, H., Mori, J., Hauksson, E., Heaton, T. H., Hutton, K., & Jones, L. M. (1993). Determination of Earthquake Energy Release and ML Using TERRAscope. Bulletin of the Seismological Society of America, 83(2), 330-346. SCEC Contribution 57
Sieh, K., Jones, L. M., Hauksson, E., Hudnut, K. W., Eberhart-Phillips, D., Heaton, T. H., Hough, S. E., Hutton, K., Kanamori, H., Lilje, A., Lindvall, S. C., McGill, S. F., Mori, J., Rubin, C. M., Spotila, J., Stock, J. M., Thio, H., Treiman, J. A., Wernicke, B. P., & Zachariasen, J. (1993). Near Field Investigations of the Landers Earthquake Sequence, April-July, 1992. Science, 260(5105), 171-176. doi: 10.1126/science.260.5105.171. SCEC Contribution 25
Kanamori, H., Thio, H., Dreger, D. S., Hauksson, E., & Heaton, T. H. (1992). Initial Investigation of the Landers, California, Earthquake of 28 June 1992 Using TERRAscope. Geophysical Research Letters, 19(22), 2267-2270. SCEC Contribution 12
Aki, K., Henyey, T., & Heaton, T. H. (1991). What is the Southern California Earthquake Center?. Eos, Transactions, American Geophysical Union, 72(39), 417. SCEC Contribution 676

Last updated Aug 26, 2022.