Geologists with USGS, the California Geological Survey (CGS) and Naval Air Weapons Station China Lake (NAWS) worked together in response to the Ridgecrest earthquake sequence in California that occurred July 4-6, 2019. The earthquakes were large enough that the fault rupture reached the earth’s surface.
Belle Philibosian
The focus of my research is to understand the earthquake cycle, using techniques drawn from the fields of active tectonics and paleoseismology. In various projects I have employed imagery- and LiDAR-based fault mapping, paleoseismic trenching, GPS and InSAR observations, and coral microatoll paleogeodesy. I pursue the dual goals of scientific understanding and hazard assessment of earthquakes.
EDUCATION
2013 Ph.D. Geology, Division of Geological and Planetary Sciences, California Institute of Technology
2007 M.S. Geological Sciences, Department of Geological Sciences, University of Oregon
2005 B.S. Geology, Division of Geological and Planetary Sciences, California Institute of Technology
EMPLOYMENT
2019–present Research Geologist, Earthquake Science Center, U.S. Geological Survey
2016–2019 Mendenhall Postdoctoral Research Geologist, Earthquake Science Center, U.S. Geological Survey
2015–2016 Columbia Science Fellow, Columbia University
2013–2015 AXA Postdoctoral Researcher, Equipe de Tectonique, Institut de Physique du Globe de Paris
Science and Products
Earthquake Geology and Paleoseismology Overview
Digital elevation and point cloud data from laser scanning at the Gualala paleoseismic site along the San Andreas Fault
Full-resolution photomosaics of trench walls from the 2006 paleoseismic study of the San Andreas Fault at Coachella, California
Lidar point cloud, GNSS, and raster data from near St. Helena, CA, March 30 and August 1, 2017
Pre-existing features associated with active faulting in the vicinity of the 2019 Ridgecrest, California earthquake sequence
2017b high resolution seismic imaging of the West Napa Fault Zone, St. Helena, California
2017 seismic imaging of the West Napa Fault Zone, St. Helena, California
Geologists with USGS, the California Geological Survey (CGS) and Naval Air Weapons Station China Lake (NAWS) worked together in response to the Ridgecrest earthquake sequence in California that occurred July 4-6, 2019. The earthquakes were large enough that the fault rupture reached the earth’s surface.
Paleoseismology and paleogeodesy using coral microatolls
Investigating past earthquakes with coral microatolls
Quaternary-active faults and the role of inherited structures in the Sacramento-San Joaquin Delta, western Central Valley, northern California
Investigating spatio-temporal variability of initial 230Th/232Th in intertidal corals
Interaction between climate and tectonics in the northern Lesser Antilles inferred from the last interglacial shoreline on Barbuda island
Photomosaics and logs associated with study of West Napa Fault at Ehlers Lane, north of Saint Helena, California
20th-century strain accumulation on the Lesser Antilles megathrust based on coral microatolls
Creep on the Sargent Fault over the past 50 yr from alignment arrays with implications for slip transfer between the Calaveras and San Andreas Faults, California
Documentation of Surface Fault Rupture and Ground‐Deformation Features Produced by the 4 and 5 July 2019 Mw 6.4 and Mw 7.1 Ridgecrest Earthquake Sequence
Evidence of previous faulting along the 2019 Ridgecrest, California earthquake ruptures
Segmentation and supercycles: A catalog of earthquake rupture patterns from the Sumatran Sunda Megathrust and other well-studied faults worldwide
Surface displacement distributions for the July 2019 Ridgecrest, California earthquake ruptures
Non-USGS Publications**
**Disclaimer: The views expressed in Non-USGS publications are those of the author and do not represent the views of the USGS, Department of the Interior, or the U.S. Government.
Science and Products
Earthquake Geology and Paleoseismology Overview
Digital elevation and point cloud data from laser scanning at the Gualala paleoseismic site along the San Andreas Fault
Full-resolution photomosaics of trench walls from the 2006 paleoseismic study of the San Andreas Fault at Coachella, California
Lidar point cloud, GNSS, and raster data from near St. Helena, CA, March 30 and August 1, 2017
Pre-existing features associated with active faulting in the vicinity of the 2019 Ridgecrest, California earthquake sequence
2017b high resolution seismic imaging of the West Napa Fault Zone, St. Helena, California
2017 seismic imaging of the West Napa Fault Zone, St. Helena, California
Geologists with USGS, the California Geological Survey (CGS) and Naval Air Weapons Station China Lake (NAWS) worked together in response to the Ridgecrest earthquake sequence in California that occurred July 4-6, 2019. The earthquakes were large enough that the fault rupture reached the earth’s surface.
Geologists with USGS, the California Geological Survey (CGS) and Naval Air Weapons Station China Lake (NAWS) worked together in response to the Ridgecrest earthquake sequence in California that occurred July 4-6, 2019. The earthquakes were large enough that the fault rupture reached the earth’s surface.
Paleoseismology and paleogeodesy using coral microatolls
Investigating past earthquakes with coral microatolls
Quaternary-active faults and the role of inherited structures in the Sacramento-San Joaquin Delta, western Central Valley, northern California
Investigating spatio-temporal variability of initial 230Th/232Th in intertidal corals
Interaction between climate and tectonics in the northern Lesser Antilles inferred from the last interglacial shoreline on Barbuda island
Photomosaics and logs associated with study of West Napa Fault at Ehlers Lane, north of Saint Helena, California
20th-century strain accumulation on the Lesser Antilles megathrust based on coral microatolls
Creep on the Sargent Fault over the past 50 yr from alignment arrays with implications for slip transfer between the Calaveras and San Andreas Faults, California
Documentation of Surface Fault Rupture and Ground‐Deformation Features Produced by the 4 and 5 July 2019 Mw 6.4 and Mw 7.1 Ridgecrest Earthquake Sequence
Evidence of previous faulting along the 2019 Ridgecrest, California earthquake ruptures
Segmentation and supercycles: A catalog of earthquake rupture patterns from the Sumatran Sunda Megathrust and other well-studied faults worldwide
Surface displacement distributions for the July 2019 Ridgecrest, California earthquake ruptures
Non-USGS Publications**
**Disclaimer: The views expressed in Non-USGS publications are those of the author and do not represent the views of the USGS, Department of the Interior, or the U.S. Government.