Natural Hazards

Sandra Seale

My work involves the analysis of ground response from borehole data. Working with the Antelope software and Matlab interface in developing automated processing technicques, I further the development of waveform inversion software to determine soil properties using borehole and surface array data.

Chen Ji

Research effects focus on exploring the physical processes of large earthquakes with various modern geophysical observations, such as broadband seismograms, high-rate GPS, and radar interferometry.
Current research interests:

Christopher Sorlien

Research interests:

  • Modeling of relations between folding and faulting
  • Development of tectonic models
  • Paleo-climate, Ross Sea and Santa Barbara basin
  • Seismic processing and interpretation, California Borderland (offshore), Ross Sea (Antarctica), Marmara Sea, Turkey.
  • Training of students in seismic reflection methods.
  • 3D visualization of structure using industry software.
  • Coring for paleo-climate

Edward Keller

Dr. Keller's research is divided into two areas: 
1) studies of Quaternary stratigraphy and tectonics as they relate to earthquake hazard, active folding and mountain building; and 
2) study of hydrologic process and wildfire in the chaparral environment in southern California.

Daniel Lavallée

My research activities are related to many different aspects of nonlinear physics with applications in Geophysics. This interest has been the primary motivation for the development of new theoretical multifractal concepts and their application to turbulence, atmospheric physics, hydrology and landscape topography.

Ralph Archuleta

Basic research interests are observing, analyzing and predicting strong motion from earthquakes. Following up on these interests involves dissecting the problem into more manageable pieces: collecting data, modeling the earthquake process itself, and understanding wave propagation in heterogeneous geological structures.

Toshiro Tanimoto

I am interested in understanding Earth structure from the surface to the center. It requires understanding of how seismic waves propagate in the interior, the higher frequency end being heavily scattered, messy waves above 1 Hz and the lower frequency end being the ringings of the whole Earth around 1000 seconds.

Jamison Steidl

My research interests are focused on geotechnical earthquake engineering, engineering seismology, strong ground motion, and earthquake effects. Through analysis and understanding of past ground motion data, we can better predict the level and variation of future ground motion in metropolitan regions. Strong ground motion is a combination of the effects of the local site conditions, the source to path geometry, and earthquake source dynamics. Only by understanding all of these contributions can we better predict and mitigate the hazard from future damaging earthquakes.

Jean Carlson

Jean Carlson investigates robustness, tradeoffs, and feedback in complex, highly connected systems, and develops multi-scale models to capture important small-scale details and predict large-scale behavior.

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