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.
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Our scientists study earthquakes around the world. Learn about Science Center activities, research, regional seismic network monitoring, and local activities of interest conducted in our various offices around the US.
Significant Earthquakes Past 30 DaysSignificant Earthquake Archive
Earthquake activity in the New Madrid Seismic Zone in the central United States does not seem to be slowing down. In a new study published in the journal "Science," USGS seismologists investigate whether current quakes in the region could be aftershocks of large earthquakes that occurred 200 years earlier.View News
A compilation of what we've learned, videos, photos, and historical accounts for the 50th Anniversary of the largest earthquake ever recorded in the U.S. and the second largest in the world.View Site
With the 50th Anniversary of the M9.2 coming up on March 27, this video examines how the largest quake in U.S. history has had profound and lasting impacts on our lives.View Item
2014 is the twentieth anniversary of the M6.7 January 17, 1994 Northridge, CA earthquake (4:31am local time) that resulted in 57 deaths, thousands injured, and over $20 billion in direct damage.
Since 2001, the number of earthquakes has increased in parts of the US where earthquakes are rare. Many of these earthquakes have been tied to the long-term injection of wastewater in deep disposal wells. USGS scientists are exploring the relationship of earthquakes to wastewater disposal and other industrial activities.View Application