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Transcript
Center for Earthquake Research and Information
ceri overview
CERI faculty and students carry out challenging and
cutting-edge research programs at the forefront of earth
science. Theoretical and observational studies take
them to many places around the world.
Seismic Hazard, Risk, and Earthquake Effects:
Paleoseismic studies reconstruct earthquake
chronologies. Studies of earthquake damage
Earth Dynamics:
patterns coupled with source, path, and site
GPS geodetic monitoring of tectonic plate motion in South
America and Antarctica, and of seismically active intraplate response research provides critical input to
seismic hazard models. Shakemap provides
regions. The morphology of active landscapes and what it
rapid estimates of ground motion for
reveals about active deformations and surface processes
earthquake disaster responders. Historical
that produce them in western Tibet and California.
research documents physical and societal
effects of large destructive earthquakes in
Earth Structure and Composition:
eastern North America.
Detailed analysis of seismic waveforms clarifies the
structure and transmission characteristics of the Earth’s
crust.
Theoretical and Instrumentation Advances:
Tomographic, receiver function, reflection, refraction, and
CERI researchers have developed models and
surface wave studies reveal details of Earth structure in
techniques to advance Earthquake science.
enigmatic seismic zones. Earthquake and controlled
High-sample-rate GPS seismology measures
sources are used in both passive and active experiments.
ground motion from the largest earthquakes.
Deformation models facilitate the study of
Earth strains. Our portable broadband and
Earthquake Processes:
accelerometer arrays reveal fundamental
Our permanent seismic networks monitor the most active
seismic zones in eastern North America. Our portable rapid characteristics of both linear and nonresponse instrumentation provides valuable data to deduce linear seismic wave propagation.
rupture processes of earthquakes from India to Mt. St.
Helens. Studies of earthquake triggering help to sort out
Geophysical Systems and Intraplate
the physics of earthquake nucleation and rupture.
Source Zones:
Geophysical, geodynamical, and geological
data are integrated to test hypotheses
concerning intraplate earthquake zones. CERI
researchers investigarte novel methods of
seismic monitoring using array seismology,
borehole installations, and infrasound. Diverse
geophysical data sets are combined to infer
the physical state and tectonic processes
www.ceri.memphis.edu
within intraplate source zones.