Harold Tobin's Profile Picture

Harold Tobin (he/him)
Director, Pacific Northwest Seismic Network Paros Endowed Chair in Seismology and Geohazards
Office: ATG 208A
Phone: 206-543-6790
Email: [javascript protected email address]
Website: https://pnsn.org/
Interests: Studies of fault zone properties processes, with a focus on fault mechanics, pore fluid pressure, in situ stress conditions, and seismic structure in subduction zones.

Education: Ph.D. 1995 University of California, Santa Cruz. B.S. 1987 Yale University.
Graduate Students:
Alysa Fintel (started 2020)
Madeleine Lucas (started 2020)
Anna Ledeczi (started 2021)
Current Research:
Structure of the modern plate boundary offshore Washington, Cascadia subduction zone; Stress conditions in the Nankai Subduction Zone, SW Japan; Properties of surface faults in Alaska subduction zone, Prince William Sound, AK.
Recent Publications:
Publications since 2018:
Venkateswara, K., Paros, J., Bodin, P., Wilcock, W., & Tobin, H. J., 2021, Rotational Seismology with a Quartz Rotation Sensor. Seismological Research Letters. https://doi.org/10.1785/0220210171.

Walton, M., Staisch, L., Dura, T., Pearl, J., Sherrod, B., Gomberg, J., Engelhart, S., Tréhu, A., Watt, J., Perkins, J., Witter, R., Bartlow, N., Goldfinger, C., Kelsey, H., Morey, A., Sahakian, V., Tobin, H., Wang, K., Wells, R., and Wirth, E., 2021, Toward an integrative geological and geophysical view of Cascadia subduction zone earthquakes, Annual Reviews of Earth and Planetary Sciences, 49:367–98.

Han, S, Bangs, N, Hornbach, M., Pecher, I., Tobin, H., and Silver, E., 2021, The many double BSRs across the Northern Hikurangi Margin and their implications for subduction processes, submitted to Earth and Planetary Science Letters, 558: 116743. Doi: 10.1016/j.epsl.2021.116743.

Jeppson, T., and Tobin, H., 2020, Elastic properties and seismic anisotropy across the Alpine Fault, New Zealand, Geochemistry, Geophysics, Geosystems 21 (8), doi.org/10.1029/2020GC009073.

Jeppson, T., and Tobin, H., 2020, Acoustic evidence for a broad, hydraulically active damage zone surrounding the Alpine Fault, New Zealand, Tectonophysics, 781, 228410. Doi: https://doi.org/10.1016/j.tecto.2020.228410.

Tobin, H., Kimura, G., and Kodaira, S., 2019, Processes governing giant subduction earthquakes: IODP drilling to sample and instrument subduction zone megathrusts, Oceanography, 32 (1), p. 80-93, https://doi.org/10.5670/oceanog.2019.125.

Jeppson, T., Tobin, H., and Hashimoto, Y., 2018, Laboratory measurements quantifying elastic properties of accretionary wedge sediments: Implications for slip to the trench during the 2011 Mw 9.0 Tohoku-Oki earthquake, Geosphere, 14 (4): 1411-1424.