Earthquake Information

San Simeon Earthquake

A strong earthquake occurred at 19:15:56 (UTC) on Monday, December 22, 2003.
The magnitude 6.5 event has been located in Central California.

Shake Map of the San Simeon Earthquake

California Integrated Seismic Network (CISN)
Strong-Motion Data from the M6.5 San Simeon Earthquake

• Internet Quick Report

Other Agencies' Information about the San Simeon Earthquake

• USGS Summary of San Simeon Earthquake

• USGS Poster of the San Simeon Earthquake

• Earthquake Engineering Research Institute

• Governor's Office of Emergency Services

• California Department of Transportation (PDF)

San Simeon Earthquake Photos

• Ground Deformation Photos from CGS  (MS PowerPoint Presentations)

  • Ground Surface Breakage Due to Strong Shaking

  • Ground Deformation

• Earthquake Engineering Research Institute (EERI  Photo Galleries)

  • Downtown Pasa Robles - 12/22/2003

  • Non-structural damage to Paso Robles area wineries

  • Downtown Pasa Robles - 12/23/2003

  • Damage on Highway 46, 10 miles east of Cambria

  • Photo Gallery by Patricia Grossi and Agustin Rodriguez of Risk Management Solutions

  • Photo Gallery by Lew Rosenberg, County Geologist, San Luis Obispo County