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| Earthquake Hazards Program |
Preliminary Earthquake Report
U.S. Geological Survey, National Earthquake Information Center
World Data Center for Seismology, Denver
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Magnitude | 6.0 | |
| Date-Time |
Tuesday, September 28, 2004 at 17:15:24 (UTC) - Coordinated Universal Time Tuesday, September 28, 2004 at 10:15:24 AM local time at epicenter Time of Earthquake in other Time Zones |
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| Location | 35.81N 120.37W | ||
| Depth | 8 kilometers | ||
| Region | CENTRAL CALIFORNIA | ||
| Reference |
30 km (20 miles) SW of Avenal, California 35 km (20 miles) S of Coalinga, California 35 km (25 miles) ENE of Paso Robles, California 325 km (200 miles) SSE of SACRAMENTO, California |
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| Location Quality | Error estimate not available, held by USGS NEIC to another agency's solution | ||
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Location Quality Parameters |
not available | ||
| Source | NC | ||
| Remarks | Minor damage (VI) at Parkfield and San Miguel. Felt (V) at Avenal, Bradley, Coalinga, Paso Robles, Shandon and Templeton. Felt throughout central California from Sacramento and San Francisco south as far as Los Angeles and Orange County. |
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Did You Feel It?
ShakeMap Shaking Intensity Maps Theoretical P-Wave Travel Times
Historical Moment Tensor Solutions
Current information about the rate at which earthquakes occur in different areas, and on how far strong shaking extends from the earthquake source. Earthquake Information for CALIFORNIA Parkfield Regional Earthquake Map The Parkfield, California Earthquake Experiment
Earthquakes: Frequently Asked Questions
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NB:
The official magnitude for this earthquake is indicated at the top of this page.
This was the best available estimate of the earthquake's size,
at the time that this page was created. Other magnitudes associated
with web pages linked from here are those determined at various times
following the earthquake with different types of seismic data.
Although, given the data used, they are legitimate estimates of magnitude
they are not considered the official magnitude.
The region name is an automatically generated name
from the Flinn-Engdahl (F-E) seismic and geographical regionalization scheme.
The boundaries of
these regions are defined at one-degree intervals and therefore differ from
irregular political boundaries.
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