Geologic Hazards Science Center
News
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.
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).
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
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.
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).
M5.0 Earthquake Hits West Texas, New Mexico Border
On March 26, 2020, a magnitude 5.0 earthquake struck West Texas near the New Mexico border. Seismic instruments indicate the earthquake originated at a depth of 5.3 miles (8.5 kilometers).
M5.7 Earthquake Felt near Salt Lake City, UT
Updated Forecast Shows 1% Chance of Aftershock Above 5.7
New USGS map can help Puerto Rico deal with risk of landslides after hurricanes
A new U.S. Geological Survey map of Puerto Rico shows the relative risks of landslides due to the kind of intense rainfall brought on by hurricanes. It identifies 20% of the island as at high risk, 9% at very high risk, and 1% at extremely high risk of landslides under those conditions.
New Geoelectric Hazard Map Shows Potential Vulnerability to High-Voltage Power Grid for Two-Thirds of the US
The U.S. Geological Survey released a new report on geoelectric hazards for two-thirds of the contiguous U.S., spanning from the northeast to the west coast of the Nation.
As Aftershocks Continue in Puerto Rico, USGS Supports Quake Recovery
A sequence of earthquakes in southwest Puerto Rico continues to affect people living there, with the largest recent aftershock a magnitude 5.2 on Jan. 15. U.S. Geological Survey scientists on the island and the mainland are providing up-to-date scientific information to help the Commonwealth government and the Federal Emergency Management Agency make decisions that protect the public.
USGS provides update for the National Seismic Hazard Model
USGS experts recently released a study that incorporates the latest earthquake science findings into an update of the National Seismic Hazard Model for the “lower-48” United States. Read the full report here: https://journals.sagepub.com/doi/full/10.1177/8755293019878199
Extending Rupture History in Grand Tetons National Park (SSA News Release)
"19 November 2019–Hand-dug trenches around Leigh Lake in Grand Teton National Park in Wyoming reveal evidence for a previously unknown surface-faulting earthquake in along the Teton Fault—one occurring about 10,000 years ago." A Seismological Society of America news release covers recent research published by USGS scientists and cooperators.
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