Earthquake Hazards
Earthquake Hazards
The USGS monitors and reports on earthquakes, assesses earthquake impacts and hazards, and conducts targeted research on the causes and effects of earthquakes. Explore and search below.
Filter Total Items: 154
Vs30 Models and Data
The following resources are available for Vs30 (the time-averaged shear-wave velocity to 30 m depth) models and data.
Foreign Hazard Maps
Hazard model studies for selected outside-the-U.S. locations.
Memphis Earthquake Hazard Mapping Project
Memphis has a dense urban population near faults capable of producing major earthquakes.
Central U.S. Seismic Velocity Model
Compared to what we know about earthquake hazards in California, less is known in the Central US.
Liquefaction Hazard Maps
Overview Liquefaction is a phenomenon that is caused by earthquake shaking. Wet sand can become liquid-like when strongly shaken. The liquefied sand may flow and the ground may move and crack, causing damage to surface structures and underground utilities.
2018 NSHM Update Workshop
March 7-8, 2018 Newark, CA Risk Management Solutions Headquarters The following links are to PDF versions of the workshop presentations. All workshop participants have granted permission to post their presentations. If you prefer, you can download all of the presentations in one Zip file (48.3 MB).
National Seismic Hazard Model Project Team
Staff and collaborators on the National Seismic Hazard Model Team
1811-1812 New Madrid, Missouri Earthquakes
Details about the New Madrid, Missouri Earthquakes.
Could the M7.1 Ridgecrest, CA Earthquake Sequence Trigger a Large Earthquake Nearby?
Release Date: SEPTEMBER 30, 2019 Two of the first questions that come to mind for anyone who just felt an earthquake are, “Will there be another one?” and “Will it be larger?”.