Earthquake Science Center
News
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!
From Volcanoes to Vineyards - New Geologic Map Reveals Portland's Deep History
A new digital geologic map of the greater Portland-Vancouver-Hillsboro metropolitan area of Oregon and Washington being released today will support emergency response, conservation, agriculture and recreation.
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).
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
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
All Systems Go for First Statewide Testing of ShakeAlert in the United States
Today, the U.S. Geological Survey and the State of California pressed the “go” button to allow the first-ever statewide public testing of the California Early Earthquake Warning System, which is powered by USGS’s earthquake early warning alerts, called ShakeAlerts.
What if the ShakeAlert Earthquake Early Warning System Had Been Operating During the M6.9 1989 Loma Prieta Earthquake?
How will ShakeAlert® likely perform now on a large earthquake impacting a major urban area? How much warning will you get? To answer this, let’s do a thought experiment...
Read the new Science for Everyone article at What if the ShakeAlert Earthquake Early Warning System...
The 2019 Great ShakeOut
When the ground starts to shake, what do you do? Great ShakeOut 2019: Drop, Cover, and Hold On!
New Earthquake Science for Everyone Web Article
The goal of an earthquake early warning (EEW) system is to provide an alert to people and automatic systems after an earthquake begins but before the shaking reaches their location. Two recent studies explored the timeliness and accuracy of alerts.
Read Earthquake Early Warning...