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Kilauea
Deformation: I am studying the time dependent deformation of Hawaiian
volcanoes using mostly GPS and some InSAR. The June 2007 intrusion of Kilauea was
monitored in unprecedented detail by the continuous GPS network on Kilauea, as well as tiltmeters, and the ALOS and EnviSat radar satellites.
Kilauea
Volcanic Transient: We studied a volcanic transient following the 1997
intrusion at Napau Crater on Kilauea volcano (See Desmarais(2005) above)
using the Kalman Filter based Extended Network
Inversion Filter (ENIF) (McGuire et al., 2003) to incorporate data as well
as a priori information about the initial state of a system
and the shape of the model. The ENIF is also capable of making
forward predictions, which we hope may help in predicting eruptions.
Mauna
Loa Inflation Models: I am also working on some models of a summit
inflation of Mauna Loa.
Kilauea
Slow Earthquakes: In 2000 there was a slow earthquake on Kilauea volcano in which the south flank moved 6cm
seaward. It's magnitude was equivalent to a
M5.7 occurring over 36 hours. Since observing that event, we've
recognized three more similar events (1998, 2000, 2003, 2005)
that occur in the same location. I am working on modeling the time
evolution of these events, and their associated stressing history.
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