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Earthquake Preparedness
Earthquake Preparedness

On Thursday May 23, 2013, Plumas County experienced a 5.7 magnitude earthquake near Canyon Dam, near the southern end of Lake Almanor. For more information, please click on the links below.

May 24, 2013 - Morning Report
May 24, 2013 - Evening Report
May 25, 2013 - Evening Report
May 26, 2013 - Evening Report
May 28, 2013 - Evening Report
May 31, 2013 - Evening Report

Proclamation of Emergency

If you have had any damage to your home, please complete the Plumas Earthquake Survey 2013 and return it to Plumas County Office of Emergency Services as soon as possible.  It is very important for people who have property damage or property loss to report it. OES will be keeping track of the total loss for the county so that it can be reported to the state. 

y ground deformation we notice. A damaged home in West Almanor will be reported to USGS as a possible example. Also, if there are reports of new water sources or springs where there were none before, USGS would be interested in gathering this information as well. Below is information on liquefaction.

A process by which water-saturated sediment temporarily loses strength and acts as a fluid, like when you wiggle your toes in the wet sand near the water at the beach. This effect can be caused by earthquake shaking. 

Liquefaction Flash Animation

Sand ejected through a crack forming a series of sand boils along the railroad tracks adjacent to Deschutes Parkway in Olympia. (Photo courtesy of Geomatrix)

Link to LA Times article and the USGS earthquake probability forecasts.


Plumas Earthquake Survey 2013
National Weather Service
Caltrans Highway Information
Plumas National Forest Fire Information
Lassen National Forest Fire Information

California Emergency Management Agency
Federal Emergency Management Agency
Norcal Incident Coordination
American Red Cross of Northeastern California

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