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The Great Colorado ShakeOut - Drop-Cover-Hold On!

Earthquake Safety and Education

Being prepared for a variety of natural disasters is important in a state like Colorado where these events are all too common. While major earthquakes are infrequent in the state, they do happen, and smaller, more localized tremors happen on a regular basis. The CGS has been conducting in-depth research into Colorado seismicity for many decades. We also work with several local, state, and federal agencies to improve earthquake preparedness, damage mitigation, disaster recovery, and resiliency.

Our friends at the Earthquake Country Alliance (ECA)—a public-private-grassroots partnership of people, organizations, and regional alliances in California—have organized many useful resources and tips for earthquake preparedness, survival, and recovery. Here we have summarized their four basic steps for earthquake preparedness.

También tienen información para prepararse para un terremoto en español.

Drop! Cover! Hold On! (English)Drop! Cover! Hold On! (Espagnol)

Other CGS Earthquake resources

Case Study: The Big One

It has been 140 years since “The Big One”: Colorado’s largest historic earthquake: November 7, 1882 – Magnitude 6.6. On…

Case Study: The Trinidad, Colorado Earthquakes

[ED: Originally published in 2011 by Vincent Matthews, former State Geologist at the CGS.] Around midnight on August 22, 2011,…

CGS Seismic Stations

Early History The Colorado School of Mines first acquired and installed a single three-component seismograph in the Cecil H. Green…

CGS seismometer array

The CGS recently installed the first of five new seismic recording stations that will collect information on seismic events around…

Seismometer installed on campus

Mines students partner with the CGS to install seismometer on campus Colorado School of Mines geophysics students enrolled in Assistant Professor Ebru Bozdag’s…

Trenching the Cheraw Fault in Southeastern Colorado

One of the missions of the CGS is to better understand the various geological risks that face the residents of…

What to do before, during, and after an earthquake

Earthquakes strike suddenly, violently, and without warning. While Colorado is not as seismically active as some places, it does have…

The Great ShakeOut

The origins of The Great ShakeOut project lie, unsurprisingly, in Southern California, one of the more seismically active regions of…