Southern California ShakeOut Potential Earthquake Scenario
 

 

Southern San Andreas Earthquake Scenario

This portion of the San Andreas fault has been identified as the most likely source of a very large earthquake in California. In this computer simulation constructed through a collaborative effort between the United States Geological Survey and the Southern California Earthquake Center, the magnitude 7.8 scenario earthquake ruptures 186 miles from Bombay Beach at the edge of the Salton Sea in the south to Lake Hughes northwest of Palmdale in the north.

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United States Geological Survey
United States Geological Survey

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Created by an act of Congress in 1879, USGS has evolved over the ensuing 125 years, matching its talent and knowledge to the progress of science and technology. USGS is the sole science agency for the Department of the Interior. It is sought out by thousands of partners and customers for its natural science expertise and its vast earth and biological data holdings. 

California Earthquake Authority
California Earthquake Authority

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The California Earthquake Authority (CEA) is a not-for-profit, privately funded, publicly managed organization that provides residential earthquake insurance and encourages Californians to reduce their risk of earthquake loss.
Earthquake Country Alliance
Earthquake Country Alliance

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Earthquake Country Alliance is a public-private-grassroots partnership of leading earthquake professionals, emergency managers, government officials, business and community leaders, and others. ECA is best known for coordinating the annual Great California ShakeOut earthquake drill and developing multi-sector educational resources.
Governor’s Office of Emergency Services
Governor’s Office of Emergency Services

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Today, Cal OES performs its broader mission by administering numerous programs that support our stakeholders, protect our communities, and help create a resilient California.​​​
Federal Emergency Management Agency
Federal Emergency Management Agency

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The Federal Emergency Management Agency (FEMA) is an agency of the United States Department of Homeland Security, initially created by Presidential Reorganization Plan No. 3 of 1978 and implemented by two Executive Orders on April 1, 1979.[1][5] The agency's primary purpose is to coordinate the response to a disaster that has occurred in the United States and that overwhelms the resources of local and state authorities.
U.S. Small Business Administration
U.S. Small Business Administration

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The U.S. Small Business Administration (SBA) has delivered millions of loans, loan guarantees, contracts, counseling sessions and other forms of assistance to small businesses.
 
Earthquake Brace + Bolt
Earthquake Brace + Bolt

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CRMP was established in 2011 to help Californians strengthen their homes against damage from earthquakes. CRMP is a joint powers authority created by the California Earthquake Authority and the Governor’s Office of Emergency Services. Earthquake Brace + Bolt: Funds to Strengthen Your Foundation is the first incentive program offered by CRMP.
California Geological Survey
California Geological Survey

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California is the most geologically diverse and the second most seismically active state in the USA. The California Geological Survey (CGS) provides scientific products and services about the state's geology, seismology and mineral resources, including their related hazards, that affect the health, safety, and business interests of the people of California. We are one of the oldest geological surveys in the nation, and today produce more products and provide more services to more people than any other state survey. –“A​ltiora Petimus”​ ​(We Reach Higher​​)
American Red Cross
American Red Cross

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The American Red Cross prevents and alleviates human suffering in the face of emergencies by mobilizing the power of volunteers and the generosity of donors.​


 
Recent California Earthquake Activity
M 2.5
10km SW of Point Reyes Station, CA
Time
Tuesday, March 21, 2023
12:41 PM
Location
38.007°N 122.879°W
Depth
-0.3 km ( -0.19 mi )

View Details

M 2.8
3km NNW of The Geysers, CA
Time
Tuesday, March 21, 2023
11:18 AM
Location
38.804°N 122.770°W
Depth
1.57 km ( 0.98 mi )

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M 3.0
16km E of Seven Trees, CA
Time
Monday, March 20, 2023
9:09 AM
Location
37.286°N 121.657°W
Depth
6.45 km ( 4.01 mi )

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M 2.6
21km NW of Ludlow, CA
Time
Monday, March 20, 2023
12:28 AM
Location
34.845°N 116.331°W
Depth
4.04 km ( 2.51 mi )

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M 2.5
9km S of Kelseyville, CA
Time
Sunday, March 19, 2023
4:35 AM
Location
38.896°N 122.834°W
Depth
3.43 km ( 2.13 mi )

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