Current Research
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Co-shocks to Silent
Earthquakes
We have identified a sequence of slow slip events (a.k.a. silent
earthquakes) beneath the south flank of Kilauea volcano, Hawaii using a
network of GPS receivers (Cervelli et al, Nature, 2002; Segall et al,
Nature, 2006) Learn more.
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In the summer of
2000, a sequence of eruptions and accompanying caldera subsidence
occurred on Miyake Island, off the Izu Peninsula Japan. Learn more.
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We have been exploring the
possibility that dilatant strengthening may
provide a reasonable explanation for slow slip events. Dilatancy
is
the tendency for the pore space in granular materials to expand during
shear. Learn more.
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Geodetic Strain used to
improve earthquake forecasts in the San Francisco Bay Region. Learn more.
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The 2004-08 eruption of
Mount St. Helens began with little warning. Kyle Anderson is
stuying this eruption. Learn more.
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The
above projects are only a few that we are working on. We
are currently in the process of updating our research webpage. In
the meantime, you can check out some of our previous research projects
below, or contact Paul
Segall to learn more.
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Previous Research
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Seismic Deformation
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Time dependent slip
distribution during and after the 2003 Tokachi
earthquake, Japan. By S. Miyazaki (visiting researcher), K. Larson
(University of Colorado) and P. Segall. Watch an animation of the co-seismic and post-seismic slip
distribution. Contact S. Miyazaki for more information. |
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Collision tectonics and the 1999 Chi-Chi earthquake in
Taiwan (more info). |
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The role of shear heating of fault zone pore fluids in
causing earthquake instabilities (read
the PDF here). |
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Volcanic Deformation
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Long-term and real-time GPS monitoring of deformation
on Kilauea volcano, Hawaii (more info). |
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Subsurface magamtic processes in the Western Galapagos
Islands from high-resolution SAR interferometry measurements (more info). |
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Measuring volcanic deformation using persistent
scatterers in SAR interferograms (more info).
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