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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: 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).

Date published: March 26, 2020

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). 

Date published: March 20, 2020

M5.7 Earthquake Felt near Salt Lake City, UT

Updated Forecast Shows 1% Chance of Aftershock Above 5.7

Date published: December 11, 2019

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

Date published: October 17, 2019

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.

Date published: October 17, 2019

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...

Date published: October 16, 2019

The 2019 Great ShakeOut

When the ground starts to shake, what do you do?  Great ShakeOut 2019:  Drop, Cover, and Hold On!

Date published: October 11, 2019

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...

Date published: September 20, 2019

New Earthquake Science for Everyone Web Article

Two of the first questions that come to mind for anyone who just felt an earthquake are, “Will there be another one?” and “Will it be larger?”.

Read Could the M7.1 Ridgecrest, CA Earthquake Sequence Trigger a Large Earthquake Nearby?