Earthquake Hazards Program

The USGS Earthquake Hazards Program is part of the National Earthquake Hazards Reduction Program (NEHRP), established by Congress in 1977. We monitor and report earthquakes, assess earthquake impacts and hazards, and research the causes and effects of earthquake.

Latest Earthquakes

Real-time Earthquake Map

Interactive map and list of latest earthquakes

Get Real-time Data Sent to You
Get real-time earthquake notifications sent to you using a number of popular mediums: Feeds, Email, Twitter, etc…
Did You Feel It?
Feel an earthquake? Report it here.

Regional Activities

Our scientists study earthquakes around the world. Learn about research conducted in our regional offices, regional seismic network monitoring, and local activities of interest.

Significant Earthquakes Past 30 Days

M 6.5, 13km ENE of Hojancha, Costa Rica Wednesday, October 24, 2012 00:45:34 UTC
M 5.3, 26km ENE of King City, California Sunday, October 21, 2012 06:55:09 UTC
M 4.0, 4km W of Hollis Center, Maine Tuesday, October 16, 2012 23:12:23 UTC
M 6.6, 98km NNW of Dobo, Indonesia Friday, October 12, 2012 00:31:28 UTC
M 3.9, 9km NNW of Beloeil, Canada Wednesday, October 10, 2012 04:19:28 UTC
M 6.6, Balleny Islands region Tuesday, October 09, 2012 12:32:04 UTC
M 4.1, 38km E of Pine Valley, California Tuesday, October 02, 2012 08:28:14 UTC
M 7.3, 11km WNW of San Agustin, Colombia Sunday, September 30, 2012 16:31:35 UTC

Significant Earthquake Archive

Featured Items

The Great ShakeOut

You are invited to join millions of people who will Drop, Cover, and Hold On! in the 2012 Great ShakeOut happening all over the US and in several other countries around the world.
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Dynamic Stress Triggering in 2004 Sumatra Earthquake

Over a 300-km-long largely transform section of the backarc, M≥4.5 earthquakes stopped for five years, and over a 750-km-long backarc section, the rate of transform events dropped by two-thirds, while the rate of rift events increased eightfold.
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Slab1.0 Interactive Map

The Slab1.0 three-dimensional subduction zone geometry model is now available via an interactive map and query. Search for modeled slab depth, strike and dip at a given location in the majority of global subduction zones.
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Earthquake Early Warning

An Earthquake Early Warning System for the west coast of the United States is being developed by the United States Geological Survey in cooperation with scientists at academic institutions including: California Institute of Technology, University of California at Berkeley, and University of Washington.
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Hazard Curve Application

Interested in probabilistic hazard curve data for the conterminous US? Try out the new hazard web application that lets you view hazard curves and dynamically generate uniform hazard response spectra (UHRS). The application also provides instructions for programmatic access to the 2008 National Seismic Hazard Mapping Program data.
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