Earthquake Hazards Program

In this issue: Kīlauea Volcano eruption, geomagnetism hazards, debris flow reports, benefits of coral reefs.

To those interested in USGS SZS and the SZ4D Initiative (Subduction Zones in Four Dimensions)...

Read below to learn about USGS hazards science, National Preparedness Month, and resources available to explore various hazards in more detail or sign up for alerts.

A magnitude 7.0 earthquake struck Acapulco in Oaxaca, Mexico on September 7, 2021 at about 9:48 pm Eastern Daylight Time (September 8 at 01:48 UTC). 

A magnitude 7.2 (M 7.2) earthquake struck Haiti on August 14, 2021, at 8:29 am local time (August 14, 2021 12:29 UTC).

Ten years ago, in the early afternoon of August 23, 2011, millions of people throughout the eastern U.S. felt shaking from a magnitude 5.8 earthquake near Mineral, Virginia. No lives were lost, something experts called “lucky” given the extent of shaking, but property damage was estimated to be in the range of $200 to $300 million.

A magnitude 8.2 earthquake struck 50 miles south of the Alaska Peninsula on July 28, 2021 at 10:15 pm local time (July 29, 2021 06:15 UTC). Seismic instruments indicate the earthquake originated at a depth of 20 miles (32.2 kilometers). 

This year's Annual Natural Hazards Research and Applications Workshop, coordinated by the Natural Hazards Center at CU Boulder on July 11 – 14, 2021, is the 46th and will be organized around the theme of The Hazards and Disaster Workforce: Preparing to Meet 21st Century Challenges. Check out these sessions, posters, and research highlights featuring the USGS Risk Community of Practice members...

A magnitude 6.0 (M6.0) earthquake struck Little Antelope Valley, California near the Nevada border on July 8, 2021 at 3:49pm local time (July 8 at 22:49 UTC). 

A new study led by USGS and Costa Rican researchers demonstrates how Earthquake Early Warning using smartphone technology can be both inexpensive and effective for millions of people.  

In this issue: ShakeAlert for the West Coast, 2021 hurricane season, Barry Arm, Alaska landslide monitoring, research during COVID-19, and more.