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Heidi Houston


Courses Taught

Quarter/Year
Dept
Course #
Credits
Enrollment
% Responsible
WinESS412/512314100%
SprESS56333100%
SprESS594210100%
SprESS562112100%
2011-2012----
AutESS411/5115750%
AutESS594210100%
WinESS412/512313100%
SprESS594210100%
SprESS56217100%
2010-2011----
AutESS411/5115850%
WinESS412/51235100%
SprESS56336100%
SprESS562110100%
2009-2010----
AutESS411/5113850%
WinESS412/51235100%
SprESS202566100%
SprESS56219100%
2007-2008----
AutESS411/51131150%
AutESS56216100%
WinESS412/51233100%
SprESS20256350%
SprESS59914850%
2013-2014
AutESS411/51151450%
AutESS594220100%
WinESS412/512313100%
WinESS56216100%
SprESS594219100%
2014-2015
AutESS411/5115850%
AutESS594212100%
WinESS412/51237100%
WinESS56217100%
SprESS594212100%
2015-2016
AutESS411/5115750%
AutESS594212100%
WinESS412/512316100%
WinESS599152100%
SprESS594211100
2016-2017
AutESS411/5115750%
AutESS594213100%
WinESS412/51237100%
SprESS56338100%
SprESS594212100%
SprESS56219100%

UW Class Seminars and Lectures

Date(s)
Dept/Other
Course #
Location
Type of Instruction / Title of Talk
2007-2010ESS594-Several talks in ESS 594 for new graduate students
2007-2013ESS562-Several talks in the Seismology Seminar
12 Feb 2007School of Oceanography--Invited seminar at Marine Geology and Geophysics, School of Oceanography, UW

Awards and Honors

Award Name
Date Bestowed
Awarding Body
Brief Description
Outstanding MentorSpring 2010Mary Gates Research Symposium-

Professional Talks and Presentations

Date(s)
Organization
Event
Invited/Contributed
Type
Title
2007-2015AGU, SSA, GSA, and smaller conferences and workshopsNumerous talks and poster presentations, some mentioned below---
11-16-2012CalTechInvited Seminar on Episodic Tremor and Slow SlipITalk"The spatio-temporal relationship of slow slip and tremor in Cascadia ETS"
3-21-2012USGSPacific Northwest Workshop for the Update of the National Seismic Hazard MapsITalk-
12-15-2011USGSWorkshop on landward limit of locked zone of Cascadia subduction zoneITalk-
10-14-2010EarthScope InstituteSpectrum of Fault BehaviorsITalk"The path ahead: Reconciling the diverse spectro-spatio-temporal patterns of ETS and earthquakes"
6-05-2008IRISAnnual WorkshopCPoster"Tremor scaling and implications for the slow slip process"
2-27-2008USGSWorkshop on Slow slip and tremor: earthquake hazard implications and opportunities to educateITalk"Scaling and the relation between tremor and slow slip"
12-07-2007AGU2007 Fall MeetingCTalk"Scaling of the tremor source"
4-1-2013UC BerkeleyInvited SeminarITalk"Slow slip, tremor, and tidal stress: Fault weakening during ETS"
1-16-2015CaltechInvited SeminarITalk"Response of tremor and slow slip to tidal stress: Constraints on fault friction and weakening"
2-24-2015Universidad Nacional Autonoma de MexicoInvited SeminarITalk"Low friction and fault weakening revealed by rising sensitivity of tremor to tidal stress"
9-5-2015Summer School for Earthquake Science, organized by Earthquake Research Institute, University of TokyoInvited LectureITalk"Evolution of tidal sensitivity: Competition between tectonic loading and fault healing"
9-18-2015University of Tokyo, Earthquake Research Institute ColloquiumInvited LectureITalk"Tidal influence on tremor during and between major slow slip events in Cascadia: A window into the physical environment deep in subduction zones"
9-25-2015Workshop on Slow Earthquakes, Nagoya University, JapanKeynote SpeakerITalk"Evolution of tidal sensitivity: Competition between tectonic loading and fault healing"
10-7-2015University of Washington, Seismology SeminarLectureITalk"Tidal influence on tremor during and between major slow slip events in Cascadia: A window into the physical environment deep in subduction zones"
6- 2016IRIS Annual WorkshopInvited TalkITalk"Evolving sensitivity of tremor to tidal stress during and between large ETSs in Cascadia: Implications for deep fault properties"
8-2016Gordon Research Conference on Rock DeformationInvited LectureITalkTidal Influence on Tremor During and Between Major Slow Slip Events: A Window Into the Physical Environment Deep in Subduction Zones
12-2016AGU Fall Meeting - Mineral and Rock Physics SectionInvited TalkITalkEvolving sensitivity of tremor to tidal stress during and between large ETSs in Cascadia: Implications for deep fault properties

Public and Community Service

Date(s)
Organization/Event
Type of Service
D
March 30, 2012Pacific Northwest Association of College Physics Conference on Physics of the Grand ScaleInvited Lecture"Slow slip: A new kind of earthquake"

Recent Publications and Manuscripts in the Press

*Persh, S.E., and H. Houston, Deep earthquake rupture histories determined
by global stacking of broadband P waveforms, J. Geophysical Research, 109,
April, doi:10.1029/2004JB002762, 2004.

*Persh, S.E., and H. Houston, Strongly depth-dependent aftershock production
in deep earthquakes, Bull. Seism. Soc. Am., 94, Oct., 1808-1816, 2004.

*Ishii, M., P. Shearer, H. Houston, and J. Vidale, Rupture extent, duration,
and speed of the 2004 Sumatra-Andeman earthquake imaged by the Hi-Net array,
Nature, 435, 933-936, doi:10,1038, 2005.

*Kagan, Y. and H. Houston, Relation between mainshock rupture process
and Omori's Law for aftershock moment release rate, Geophysical Journal
International, 163, 1039-1048, doi:10.1111/j.1365-246X.2005.02772.x, 2005.

*Peng, Z., J.E. Vidale, and H. Houston, Anomalous early aftershock decay rate
of the 2004 Mw 6.0 Parkfield, California, earthquake, Geophys. Res. Lett.,
33, L17307, doi:10.1029/2006GL026744, 2006.

**Houston, H. and J. Vidale, Relationships in a slow slide, Nature, 447,
49-50, 2007.

*Ishii, M., P.M. Shearer, H. Houston, and J.E. Vidale, Teleseismic P-wave
imaging of the 26 December 2004 Sumatra-Andaman and 28 March 2005 Sumatra
earthquake ruptures using the Hi-Net array, J. Geophys. Res., 112, B11307,
doi:10.1029/2006JB004700, 2007.

***Houston, H., Deep Earthquakes, v. 4 (Earthquake Seismology), p. 321-350,
in Treatise on Geophysics, ed. G. Schubert, Oxford, 2007.

**Book review for Physics Today of book Deep Earthquakes, by Cliff Frohlich, 2007.

*Martin, M. E., R. Weiss, J. Bourgeois, T. K. Pinegina, H. Houston, and V. V. Titov, Combining constraints from tsunami modeling and sedimentology to untangle the 1969 Ozernoi and 1971 Kamchatskii tsunamis, Geophys. Res. Lett., 35, L01610, doi:10.1029/2007GL032349, 6 pages, 2008.

*Ghosh, A, Vidale, JE, Peng, ZG, Creager, KC, and Houston, H., Complex nonvolcanic tremor near Parkfield, California, triggered by the great 2004 Sumatra earthquake, JGR, 114, B00A15, 2009.

*Ghosh, A., J. E. Vidale, J. R. Sweet, K. C. Creager, A. G. Wech, and H. Houston, 2010, Tremor bands sweep Cascadia, Geophys. Res. Lett., 37, L08301, doi:10.1029/2009GL042301, 1-5, 2009.

***Gomberg, J. and the Cascadia 2007 and Beyond Working Group, 2010, Slow-slip phenomena in Cascadia from 2007 and beyond: A review, GSA Bulletin, 122 p. 963–978; doi: 10.1130/B30287.1, 2010.

*Ghosh, A., J. E. Vidale, J. R. Sweet, K. C. Creager, A. G. Wech, H. Houston, and E. E. Brodsky, Rapid, continuous streaking of tremor in Cascadia, Geochemistry Geophysics Geosystems, 11, Q12010, doi:10.1029/2010GC003305, 2010.

*Wech, A. G., K. C. Creager, H. Houston, and J. Vidale, An earthquake-like magnitude-frequency distribution of slow slip in northern Cascadia, Geophysical Research Letters, 37, L22310, doi:10.1029/2010GL044881, 2010.

*Zhang, J., P. Gerstoft, P. M. Shearer, H. Yao, J. Vidale, H. Houston, and A. Ghosh, Cascadia tremor spectra: Low corner frequencies and earthquake-like high-frequency falloff, Geochemistry Geophysics Geosystems, 12, Q10007, doi:10.1029/2011GC003759, 2011.

*Houston, H., B. G. Delbridge, A. G. Wech, and K. C. Creager, Rapid tremor reversals in Cascadia generated by a weakened plate interface, Nature Geoscience, 4, 404-409, doi:10.1038/NGEO1157, 2011.

***Vidale, J. E., and H. Houston, Slow slip: A new kind of earthquake, Physics Today, 65, 38-43, 2012.
(also tranlated to Japanese, 2013)

*Thomas, T.W., J.E. Vidale, H. Houston, K.C. Creager, J.R. Sweet and A. Ghosh, Evidence for tidal triggering of high-amplitude rapid tremor reversals and tremor streaks in northern Cascadia, Geophysical Research Letters, DOI: 10.1002/grl.50832, 2013.

*Vidale, J.E., D.A. Schmidt, S.D. Malone, A.J. Hotovec-Ellis, S.C. Moran, K.C. Creager, and H. Houston, Deep long period earthquakes west of the volcanic arc in Oregon: Evidence of serpentine dehydration in the forearm mantle wedge, Geophysical Research Letters, v. 41, doi: 10.1002/2013GL059118, 2014.

*Sweet, J.R., K.C. Creager, and H. Houston, A family of repeating low-frequency earthquakes at the downdip edge of tremor and slip, G-Cubed, v. 15, doi: 10.1002/2014GC005449, 2014.

*Han, J., J.E. Vidale, H. Houston, K, Chao, and K. Obara, Triggering of tremor and inferred slow slip by small earthquakes at the Nankai subduction zone in Southwest Japan, Geophysical Research Letters, v. 41, doi: 10.1002/2014GL061898, 2014.

*Houston, H., Low friction and fault weakening revealed by rising sensitivity of tremor to tidal stress, Nature Geoscience, v. 8, no. 5, 409-415, doi: 10.1038/ngeo2419, 2015. (accompanied by News & Views)

***Houston, H., Deep Earthquakes, in Treatise on Geophysics 2nd Ed., editor-in-chief G. Schubert, Oxford, Elsevier, Vol.4 Earthquake Seismology, p 329-354, 2015.

*Yabe, S., Y. Tanaka, H. Houston, and S. Ide, Comparison of tidal sensitivity of tectonic tremors in Nankai and Cascadia subduction zones, JGR, v. 120, no. 11, 7587-7605, 2015.

Gomberg, J, +20 others, Planning for a Subduction Zone Observatory, EOS, v. 97, doi: 10.1029/2016EO052635, 2016.

Husker, A., H. Houston, and M. Campillo, Understanding Slow Slip and Tremor on Plate Boundaries, EOS, 97, doi:10.1029/2016EO054291, 2016.

*peer reviewed
**invited
***invited and peer reviewed

Current Research Interests

Observational Source Seismology, source scaling, Episodic Tremor and Slip, propagation patterns, integration of diverse data types, spatio-temporal relationship of slip and tremor, geodetic constraints on slip during ETS, tidal stressing

Current C.V. URL

http://earthweb.ess.washington.edu/houston/H_pubs/Houston-cv.pdf

In the News

Quoted in "Are Tsunamis Predictable?" on Discovery News, June 2, 2010:
http://news.discovery.com/earth/are-tsunamis-predictable.html

My work was main topic of front-page Seattle Times article, May 2015:
http://www.seattletimes.com/seattle-news/science/deep-part-of-cascadia-fault-so-slippery-sun-moon-trigger-tremors/

I discussed my research into slow earthquakes, tremor, and tides in Smithsonian Magazine, August 2016. The article also summarizes related discoveries and experiments in the mysterious field of slow slip - http://www.smithsonianmag.com/science-nature/slow-earthquakes-are-thing-180960248/?no-ist