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 earthquakes.
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Significant Earthquakes Past 30 Days
Significant Earthquake ArchiveFeatured Items
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Ground-Truthing After the M4.0 Earthquake in Southern Maine, October 16, 2012
On October 16, 2012 at 7:12pm EDT an M4.0 earthquake occurred in southern Maine that was widely felt. Since moderate-size earthquakes don’t happen that often in New England, a small group of scientists spent some time afterwards in the general vicinity to collect information on the earthquake effects.
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Earthquake Outlook for the San Francisco Bay Region 2014–2043
Using information from recent earthquakes, improved mapping of active faults, and a new model for estimating earthquake probabilities, the 2014 Working Group on California Earthquake Probabilities updated the 30-year earthquake forecast for California.
They concluded that there is a 72 percent probability (or likelihood) of at least one earthquake of magnitude 6.7 or greater striking somewhere in the San Francisco Bay region before 2043.
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Shaking of Frontier Building — Anchorage, Alaska, During Mw7.1 Earthquake, January 24, 2016
This video presents a visualization of shaking that was recorded in the Frontier Building in Anchorage, Alaska, during the Mw7.1 earthquake, January 24, 2016, Iniskin, Alaska.
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