Geologic Hazards Science Center

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Date published: April 13, 2021

Women of Hazards Featured During Women’s History Month on @USGS_Quakes Instagram

For Women’s History Month in March 2021 the @USGS_Quakes Instagram featured dozens of photos of female earthquake scientists and shout-outs with the hashtag #EarthquakeWomen from the Earthquake Science Center, Geologic Hazards Science Center and the Office of Communications and Publishing (OCAP).

Date published: February 25, 2021

Post-wildfire Landslides Becoming More Frequent in Southern California

Southern California can now expect to see post-wildfire landslides occurring almost every year, with major events expected roughly every ten years, a new study led by U.S. Geological Survey researchers finds.

Date published: February 17, 2021

How Often Do Rainstorms Cause Debris Flows in Burned Areas of the Southwestern U.S.?

In the SW U.S., wildfires and intense rainfall are both common occurrences. In burned areas, short bursts of heavy rain over steep terrain can produce debris flows more so than in unburned areas due to changes in ground surface. How often do these events tend to occur?

Read the new Science for Everyone article: ...

Date published: February 16, 2021

Bond Fire Debris Flows, California: January 25 and 28, 2021

A new geonarrative (Esri Story Map) summarizes the debris flows that were caused by a rainstorm following the Bond Fire in California.

Date published: January 7, 2021

Post-Wildfire Debris Flow Awareness

Post-wildfire hazards in Colorado can be as dangerous as the fires themselves.

Date published: December 4, 2020

2019 Ridgecrest, California Earthquake Sequence Geonarrative

A new geonarrative (Esri Story Map) summarizes the USGS response and findings after the M6.4 on July 4 and M7.1 on July 6, 2019 in Searles Valley, Southern California.

Date published: November 5, 2020

Now Trending…Earthquakes

The earth isn’t the only thing shaking after an earthquake.

Date published: October 13, 2020

ShakeOut 2020: Staying Safe When the Ground Starts to Rumble

When the ground shakes, what do you do? ShakeOut 2020:  Drop, Cover, and Hold On!

Date published: September 29, 2020

National Preparedness Month 2020: Landslides and Sinkholes

Natural hazards have the potential to impact a majority of Americans every year. USGS science provides part of the foundation for emergency preparedness whenever and wherever disaster strikes.

Date published: September 2, 2020

Bill Barnhart Selected as the Earthquake Hazards Program Office Assistant Coordinator

The USGS Earthquake Hazards Program is pleased to announce that Bill Barnhart has been selected as the Earthquake Hazards Program Office Assistant Coordinator.

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