Earthquake Engineering Research Institute
Learning From Earthquakes

USGS Event Pages

July 4, 2019 M6.4: https://earthquake.usgs.gov/earthquakes/eventpage/ci38443183/executive July 5, 2019 M7.1: https://earthquake.usgs.gov/earthquakes/eventpage/ci38457511/executive

Nepal Earthquake Reconnaissance Briefing Webinar

  Introduction to the EERI Learning From Earthquakes Briefing Videos (Summary of the reconnaissance team objectives, methodology, unique features, and team members)— Bret LizundiaSlide set download (PDF)   Brief Introduction to Nepal and the Earthquake (Summary of Nepal’s geology, geography, physiographic regions, earthquake hazard, demographics, and earthquake impacts)— Surya ShresthaSlide set download (PDF)   Seismicity and Ground Motions— Kishor […]

Geotechnical Engineering Reconnaissance of the M6.4 & M7.1 Ridgecrest, CA Earthquakes

Other Contributors: Ben Brooks, Ryan Gold, Dan Ponti, Katherine Scharer, Devin McPhillips, Chris DuRoss, Todd Ericksen, Janis Hernandez, Jay Patton, Brian Olson, Tim Dawson, Jerome Treiman, Kelly Blake, Jeffrey Buchhuber, Chris Madugo, Joseph Sun, Andrea Donnellan, Greg Lyzenga, Erik Conway.  Between the dates of July 4 and 5, 2019, the Geotechnical Extreme Events Reconnaissance Association […]

Ridgecrest Single-Family Housing Study by Keith Porter

This contains new data about single-family dwellings. I wondered, why was damage to housing relatively modest in Ridgecrest? An understanding of what was there to be damaged could inform the answer. I collected data on a few key housing attributes from 200 houses on 5 residential blocks that I selected as a sort of cross […]

HAZUS Analysis for M7.1 Ridgecrest, CA Earthquake

High-level summary of estimated impacts: $119M in total econ losses, including $112M in Kern County 5,380 damaged structures 4,350 Affected 950 Minor 80 Major <10 Destroyed All Hazus GIS exported data are available here: download the file. USGS  PAGER Report: ci38457511-gsmv5-OnePager (PDF) USGS Hazus-PAGER Report: ci38457511-gsmv5-TwoPager (PDF) Hazus Quick Assessment Report: us_v5_gas (PDF) Earthquake Global Risk Report: us_v5_global (PDF) Direct Economic Losses for Buildings: us_v5_deconbld (PDF) GIS Files: https://www.floodmaps.fema.gov/ffx/files/940765_SearlesValley_v5NEIC.gdb.zzz

HAZUS Analysis for M6.4 Ridgecrest, CA Earthquake

High-level summary of estimated impacts (Estimates are based on ground shaking only): $56.2M in total econ losses with the majority ($51.4M) in Kern County 2,670 damaged structures (2,340 Affected, 330 Minor) Data and Report Files: Direct Economic Losses For Buildings (PDF) Hazus Quick Assessment Report (PDF) M6.4 Searles Valley EQ 2pager (PDF) SearlesValleySM.gdb.zip (GIS files)