Aaron Wech



Professional Experience

2015 – present - Research Geophysicist, Volcano Science Center, U.S. Geological Survey, Anchorage, AK

2013 – 2015 - Mendenhall Postdoctoral Fellow, Volcano Science Center, U.S. Geological Survey, Anchorage, AK

2010 – 2013 - Postdoctoral Fellow, Victoria University of Wellington, New Zealand



2010 – Ph.D. Geophysics, University of Washington, Seattle, WA

2005 – B.S. Mathematics & Physics, Kansas State University, Manhattan, KS


Journal Publications

Wech, A.G., W. Thelen, A. Thomas (2020), Deep long-period earthquakes generated by second boiling beneath Mauna Kea volcano, Science, 368, 775-779.

De Angelis, S., M. Haney, J. Lyons, A.G. Wech, D. Fee, A. Moreno, L. Zuccarello (2020), Uncertainty in detection of volcanic activity using infrasound arrays: examples from Mt. Etna, Italy, Frontiers.

Fee, D., J. Lyons, M. Haney, A.G. Wech, C. Waythomas, A. Diefenbach, T. Lopez, A. Van Eaton, D. Schneider (2020), Seismo-acoustic evidence for vent drying during shallow submarine eruptions at Bogoslof volcano, Alaska, Bulletin of Volcanology 82 (1), 2.

Lyons, J., A. Iezzi, D. Fee, H. Schwaiger, A.G. Wech, M. Haney (2020), Infrasound generated by the 2016–2017 shallow submarine eruption of Bogoslof volcano, Alaska, Bulletin of Volcanology 82 (2), 19.

Haney, M., D. Fee, K. McKee, J. Lyons, R. Matoza, A.G. Wech, G. Tepp, C. Searcy, T.D. Mikesell (2020), Co-eruptive tremor from Bogoslof volcano: seismic wavefield composition at regional distances, Bulletin of Volcanology 82 (2), 18.

Power, J., M. Haney, S. Botnick, J. Dixon, D. Fee, A.M. Kaufman, D. Ketner, J. Lyons, T. Parker, J. Paskievitch, C. Read, C. Searcy, S. Stihler, G. Tepp, A.G. Wech (2020), Goals and Development of the Alaska Volcano Observatory Seismic Network and Application to Forecasting and Detecting Volcanic Eruptions, Seismol. Res. Lett. 91, 647–659.

Lopez, T., L. Clarisse, H. Schwaiger, A. Van Eaton, M. Loewen, D. Fee, J. Lyons, K. Wallace, C. Searcy, A.G. Wech, M. Haney, D. Schneider, N. Graham (2020), Constraints on eruption processes and event masses for the 2016–2017 eruption of Bogoslof volcano, Alaska, through evaluation of IASI satellite SO2 masses and complementary datasets, Bulletin of Volcanology 82 (2), 17.

Henrys, S., D. Eberhart‐Phillips, D. Bassett, R. Sutherland, D. Okaya, M. Savage, D. Evanzia, T. Stern, H. Sato, K. Mochizuki, T. Iwasaki, E. Kurashimo, A. Seward, A.G. Wech (2020), Upper Plate Heterogeneity Along the Southern Hikurangi Margin, New Zealand, Geophys. Res. Lett. 47 (4).

Materna, K., N. Bartlow , A.G Wech, C. Williams, R. Bürgmann (2019), Dynamically Triggered Changes of Plate Interface Coupling in Southern Cascadia, Geophys. Res. Lett.46, 12,890–12,899.

Lyons, J., M. Haney, D. Fee, A.G Wech, C. Waythomas (2019), Infrasound from giant bubbles during explosive submarine eruptions, Nature Geoscience 12 (11), 952-958.

Coombs, M., K. Wallace, C. Cameron, J. Lyons, A.G. Wech, K. Angeli, P. Cervelli (2019), Overview, chronology, and impacts of the 2016–2017 eruption of Bogoslof volcano, Alaska, Bulletin of Volcanology 81 (11), 62.

Coombs, M.L., A.G Wech, M. Haney, J. Lyons, D. Schneider, H. Schwaiger, K. Wallace, D. Fee, J. Freymueller, J. Schaefer, G. Tepp (2018), Short-term forecasting and detection of explosions during the 2016–2017 eruption of Bogoslof volcano, Alaska, Frontiers.

Wech, A.G., G. Tepp, J. Lyons, and M. Haney (2018), Using Earthquakes, T Waves, and Infrasound to Investigate Eruption of Bogoslof Volcano, Alaska, Geophys. Res. Lett., 45.

Chao, K., Z. Peng, Y.-J. Hsu, K. Obara, C. Wu, K.-E. Ching, S. van der Lee, H.-C. Pu, P.-L. Leu, A.G. Wech (2017), Temporal Variation of Tectonic Tremor Activity in Southern Taiwan Around the 2010 ML6.4 Jiashian Earthquake, J. Geophys. Res, 122.

Chuang, L., M. Bostock, A.G. Wech, A. Plourde (2017), Plateau subduction, intraslab seismicity and the Denali volcanic gap, Geology.

Wells, R., R. Blakely, A.G. Wech, P. McCrory, A. Michael (2017), Cascadia subduction tremor muted by crustal faults, Geology.

Wech, A.G., Extending Alaska’s plate boundary: tectonic tremor generated by Yakutat subduction (2016), Geology.

Gomberg, J., A.G. Wech, K. Creager, K. Obara, D. Agnew, Reconsidering earthquake scaling (2016), Geophys. Res. Lett., 43.

Wech, A.G., and W. Thelen, Linking magma transport structures at Kīlauea volcano (2015), Geophys. Res. Lett., 42(17).

Hyndman, R.D., P.A. McCrory, A.G. Wech, H. Kao, J. Ague (2015), Cascadia Subducting Plate Fluids Channelled to Forearc Mantle Corner: ETS and Silica Deposition, J. Geophys. Res., 120.

Wech, A.G., and N. M. Bartlow (2014), Slip rate and tremor genesis in Cascadia, Geophys. Res. Lett., 41(2).

Chuang, L.Y., K.H. Chen, A.G. Wech, W. Peng, T. Byrne (2014), Ambient tremors in a collisional orogenic belt, Geophys. Res. Lett., 41(5).

Waythomas, C., M. Haney, D. Fee, D. Schneider, A.G. Wech (2014), The 2013 eruption of Pavlof Volcano, Alaska: A spatter eruption at an ice- and snow-clad volcano, Bull. of Volc., 76(10). 

Wech, A.G., A.F. Sheehan, C.M. Boese, J. Townend, T.A. Stern, J.A. Collins (2013), Tectonic tremor recorded by ocean bottom seismometers, Seismological Research Letters, 84(5), 752-758.

Pollitz, F., A.G. Wech, H. Kao, R. Bürgmann (2013), Annual modulation of non-volcanic tremor in northern Cascadia, J. Geophys. Res., 118(5), 2445-2459.

S. Henrys, A.G. Wech, R. Sutherland, T. Stern, M. Savage, H. Sato, K. Mochizuki, T. Iwasaki, D. Okaya, A. Seward, B. Tozer, J. Townend, E. Kurashimo, T. Iidaka, T. Ishiyama (2013), SAHKE geophysical transect reveals crustal and subduction zone structure at the southern Hikurangi margin, New Zealand, Geochem. Geophys. Geosyst., 14(7), 2063–2083.

Wech, A.G., C.M. Boese, T. Stern, J. Townend (2012), Tectonic tremor and deep slow slip on the Alpine Fault, Geophys. Res. Lett., 39, L10303.

Wech, A.G., and K.C. Creager (2011), A continuum of stress, strength and slip in the Cascadia subduction zone, Nature Geoscience4, 624-628.

Houston, H., B.G. Delbridge, A.G. Wech, K.C. Creager (2011), Rapid tremor reversals in Cascadia generated by a weakened plate interface, Nature Geoscience4, 404-409.

Ghosh, A., J.E. Vidale, J.R. Sweet, K.C. Creager, A.G. Wech, H. Houston, E. Brodsky (2010), Rapid, continuous streaking of tremor in Cascadia, Geochem. Geophys. Geosyst., Q12010.

Wech, A.G., K.C. Creager, H. Houston, J.E. Vidale (2010), An earthquake-like magnitude-frequency distribution of tectonic tremor in northern Cascadia, Geophys. Res. Lett., 37, L22310.

Wech, A.G. (2010), Interactive Tremor Monitoring, Seis. Res. Lett., 81:4, p. 664-669.

Ghosh, A., J.E. Vidale, J.R. Sweet, K.C. Creager, A.G. Wech, H. Houston (2010), Tremor bands sweep Cascadia, Geophys. Res. Lett., 37, L08301.

Gomberg et al. (2010), Slow Slip phenomena in Cascadia from 2007 and beyond: A review, GSA Bulletin, v. 122, no. 7/8, p. 963–978.

Abers, G.A., L.S MacKenzie, S. Rondenay, Z. Zhang, A.G. Wech, K.C. Creager (2009), Imaging the source region of Cascadia tremor and intermediate-depth earthquakes, Geology, 37, p. 1119-1122.

Wech, A.G., K.C. Creager, T.I. Melbourne (2009), Seismic and geodetic constraints on Cascadia slow slip, J. Geophys. Res., 114, B10316.

Ghosh, A., J.E. Vidale, J.R. Sweet, K.C. Creager, A.G. Wech (2009), Tremor patches in Cascadia revealed by seismic array analysis, Geophys. Res. Lett., 36, L17316.

Peng, Z., J.E. Vidale, A.G. Wech, B. Nadeau, K.C. Creager (2009), Remote triggering of tremor along the San Andreas fault in central California, J. Geophys. Res., 114, B00A06.

Rubinstein, J.L., J. Gomberg, J.E. Vidale, A.G. Wech, H. Kao, K.C. Creager, G. Rogers (2009), Dynamic wave triggering of nonvolcanic tremor, episodic tremor and slip, and earthquakes on Vancouver Island, J. Geophys. Res., 114, B00A01.

La Rocca, M., K.C. Creager, D. Galluzzo, S. Malone, J.E. Vidale, J.R. Sweet, A.G. Wech (2009), Cascadia tremor located near megathrust constrained by S minus P wave times, Science, 323, 623.

Wech, A.G., and K.C. Creager (2008), Automatic detection and location of Cascadia tremor, Geophys. Res. Lett., 35, L20302.

Rubinstein, J.L., M. La Rocca, J.E. Vidale, K.C. Creager, A.G. Wech (2008), Tidal Modulation of Non-Volcanic Tremor, Science, 319, 186.

Wech, A.G., and K.C. Creager (2007), Cascadia tremor polarization evidence for plate interface slip, Geophys. Res. Lett., 34, L22306.

E. Edgu-Fry, A. Wech, J. Stuhlman, T.G. Lee, C.D. Lin, C.L. Cocke (2004) Cold-target recoil-ion momentum spectroscopy studies of capture from atomic and molecular hydrogen by O8+ and Ar8+, Phys. Rev. A, 69(5).

A.S. Alnaser, T. Osipov, E.P. Benis, A. Wech, B. Shan, C.L. Cocke, X.M. Tong (2003), Rescattering double ionization of D 2 and H 2 by intense laser pulses, Phys. Rev. Lett., 91(16), 163002.