Earthquake Hazards Program

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Date published: August 9, 2020

Magnitude 5.1 Earthquake Near Sparta, North Carolina

A magnitude 5.1 earthquake struck near Sparta, North Carolina August 9, 2020 at 8:07 a.m. Eastern Daylight Time. Seismic instruments indicate the earthquake originated at a depth of about 2.3 miles. The USGS currently estimates there is a low likelihood of casualties or damage from this earthquake.

Date published: August 3, 2020

A Research Retrospective: Offshore Fault Mapping of the San Andreas

Study of New Offshore Fault Mapping Related to the 1906 San Francisco Earthquake:  In 2019, for the first time ever, scientists comprehensively mapped a previously overlooked offshore section of the San Andreas Fault system which may provide insight on how the fault could rupture in the future.

Date published: July 31, 2020

Auroras and Earthquakes: Strange Companions

In a win-win situation for both seismologists and space physicists, a cheap magnetometer at a seismic station can result in better seismic data for earthquakes and also more geomagnetic data in real time for monitoring space weather.

Read the new Science for Everyone article: Auroras...

Date published: June 23, 2020

June 23, 2020 Oaxaca, Mexico Earthquake

A magnitude 7.4 earthquake struck offshore Oaxaca, Mexico, on June 23, 2020, at 11:30 a.m. ET. Seismic instruments indicate the earthquake originated at a depth of 16 miles (26 km).  

Date published: June 1, 2020

The Blind Zone of Earthquake Early Warning

One USGS scientist has sorted through the challenges, the claims, and the data to determine what the possibilities and limitations really are for EEW, and the results may surprise you.

Read the new Science for Everyone article: The Blind Zone of Earthquake Early Warning

Date published: May 15, 2020

M6.5 Monte Cristo Range Earthquake

A magnitude 6.5 earthquake struck near Tonopah, Nevada, near the California-Nevada border and about 120 miles southeast of Carson City, early this morning on May 15, 2020, at 4:03 am local time (11:03:27 UTC).

Date published: May 12, 2020

Announcing Gavin Hayes as USGS Senior Science Advisor for Earthquake & Geologic Hazards

On May 10, Gavin Hayes takes on the role of Senior Science Advisor for Earthquake and Geologic Hazards within the USGS Natural Hazards Mission Area.  The Senior Science Advisor serves as the coordinator for the Earthquake Hazards, Global Seismographic Network, and Geomagnetism Programs and provides oversight and guidance across the full breadth of USGS geohazard-related activities.

Date published: May 2, 2020

Magnitude 5.4 Earthquake Felt in Puerto Rico

On May 2, 2020, a  magnitude 5.4 earthquake struck about 4 miles offshore of Tallaboa, Puerto Rico, at a depth of about 5-6 miles (9 kilometers). This story will be updated if/when more information becomes available.

Date published: April 7, 2020

USGS Announces Awards for 2020 Applied Earthquake Research and Monitoring in the U.S.

Agency announces over $20 million in awards for 2020

Date published: April 1, 2020

USGS Seeks Earthquake Hazards Research Proposals

 

Applications due May 20th, 2020

Date published: March 31, 2020

Magnitude 6.5 Earthquake Felt in Central Idaho

On March 31, 2020, a  magnitude 6.5 earthquake struck  near Boise, ID, in the Challis National Forest. Seismic instruments indicate the earthquake originated at a depth of 6.2 miles (10 kilometers).