[unav_all] SSA 2019 Technical Session: Building, Using, and Validating 3D Geophysical Models

Boyd, Oliver olboyd at usgs.gov
Fri Dec 21 09:56:21 MST 2018

Dear Colleagues,

Please join us in Seattle, 23–26 April, 2019 for the SSA Annual Meeting and
consider participating in the session entitled "Building, Using, and
Validating 3D Geophysical Models" (description below). Abstracts are due by
11 January, 2019, but if you will be affected by a possible government
shutdown, please submit a placeholder for your abstract *TODAY*. Go to
https://www.seismosoc.org/annual-meeting/ for additional meeting details.

Session description:

Geophysical models, such as 3-D geologic and seismic velocity models, are
needed in three and sometimes four dimensions for a host of applications
from predicting earthquake ground motions and crustal deformation to
locating natural resources to planning subsurface infrastructure. Many
types of observations can be used to inform geophysical models including
geologic mapping, borehole data, active and passive seismic imaging,
potential field observations, and observations from other direct and
indirect methods. Geophysical theory or empirical models may also be used
to solve for missing geophysical attributes given other related
observations, for example, solving for S-wave velocity and density given
the P-wave velocity. Further, some observations sample distinct locations
while others average over volumes of varying size, and different methods of
informed interpolation and extrapolation may be used to reconcile
observations, theory, and empirical relationships into a single geophysical
model. We seek contributions in which researchers have developed and/or
applied methods for reconciling multiple datasets into a unified
geophysical model. Discussion should address the advantages and
disadvantages of various types of datasets and methods in an effort to
improve and validate the next generation of geophysical models.
Applications of geophysical models to improve assessment of hazard and
risk, particularly in novel ways or for novel applications, are also

See you in Seattle!

Oliver Boyd, USGS Golden (olboyd at usgs.gov)

Bill Stephenson, USGS Golden (wstephens at usgs.gov)

Brad Aagaard, USGS Menlo Park (baagaard at usgs.gov)
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