U.S. Geological Survey Earthquake Hazards Program
Latest Earthquakes
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USA (Magnitude 1+)
December 22, 2009 17:23:37 UTC
Regional Offices
Our scientists study locations around the world. Learn about research conducted in our regional offices, regional seismic network monitoring, and local activities of interest.
Today’s Earthquake Fact
Transform faults are found where plates slide past one another. The San Andreas fault, along the coast of California and northwestern Mexico, is an example of a transform-fault plate boundary. Earthquakes at transform faults tend to occur at shallow depths and form fairly straight linear patterns.
News & Highlights
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Significant Earthquakes
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Recent Earthquakes (M 2.5+)
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Earthquake News
Featured Items
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Slab Models for Subduction Zones
Three-dimensional compilation of global subduction geometries separated into regional models for each major subduction zone.
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2009 Earthquake Probability Mapping
Map and table of probability that an earthquake with magnitude > M and distance < R will occur in the next k years. Centered on user-supplied location.
