Parkfield Earthquake
A 6.0 magnitude earthquake occurred at 10:15 a.m. on September 28 in Parkfield, CA along the San Andreas Fault. It was followed by numerous aftershocks, including a 5.0 magnitude aftershock at 10:19 a.m. The California Governor’s Office of Emergency Services was in constant communication with the Monterey County and San Luis Obispo County offices of emergency services immediately after the earthquake and received no reports of injuries or significant damage. The US Geological Survey put out an aftershock advisory, which is routine following most earthquakes.
News Releases
State OES Reminds You: Take Steps to Protect Yourself During an Earthquake, 9/30/04
Seismic Safety Commission: Governor signed important earthquake legislation, 9/29/04
Parkfield EQ: No significant damage, injuries;
State OES Continues to monitor the situation, 9/28/04
San Luis Obispo County: News Update, 9/28/04
CA EQ Authority monitors Parkfield, 9/28/04
PG&E: Diablo Canyon Power Plant Operates Normally During Earthquake; Unusual Event Declared, 9/28/04
Related Links
Parkfield Earthquake Fact Sheet from the California Integrated Seismic Network (CISN)
Parkfield Earthquake ShakeMap, CISN
Parkfield Earthquake Locator Map, US Geological Survey
Recent Earthquakes in California:
CISN ShakeMaps
USGS Locator List and Maps
Earthquake Safety
- When you feel the earth shake,
Duck, Cover and Hold
- EQ Preparedness Tip Sheets in
English and Spanish
- Multi-Disaster Preparedness
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