Latest Earthquakes
M4.4 near Decatur, Tennessee Earthquake - Dec. 12, 2018
M7.0 Anchorage, Alaska Earthquake - Nov. 30, 2018
Advanced National Seismic System
Latest earthquakes map and list (past 24 hours, M2.5+). Tap/click on "gear icon" for options and settings.
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FAQ - Frequently Asked Questions
Seriously, check here first.
Significant Earthquakes, Past 30 Days
Highlights
Microseismic Events Associated with the Oroville Dam Spillway
On 14 February 2017, two small seismic events occurred in proximity to the Oroville Dam in the Sierra Nevada foothills, California. A new report found 19,000 smaller‐magnitude events near the Oroville spillway that were similar to the events and occurred in clusters that strongly correlate with periods of spillway discharge. (SSA news release)
Collection of 3D Geometries for Global Subduction Zones
A new picture of the geometry of subducting slabs around the world, the locations of the world’s largest earthquakes.
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Explore the Website
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Earthquakes
Information about real-time earthquakes, online catalog search of archives, seismicity maps and statistics.
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Hazards
US faults, information about seismic hazards in various areas, tools for seismic design values.
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Data & Products
Monitoring, station, and other various seismic data available for download. Data products to view and download.
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Learn
The science of earthquakes, FAQ, glossary, links to earthquake topics, Earthquakes for kids.
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Monitoring
Global, national and regional networks recording earthquakes and crustal movements, maps, station information, real-time seismic waveforms.
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Research
Research projects in the Earthquake Hazards Program, external research support, science center activities, software.
The USGS Earthquake Hazards Program is part of the National Earthquake Hazards Reduction Program (NEHRP), established by Congress in 1977, and the USGS Advanced National Seismic System (ANSS) was established by Congress as a NEHRP facility. The USGS and its partners monitor and report earthquakes, assess earthquake impacts and hazards, and perform research into the causes and effects of earthquakes.