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Magnitude 6.0 - CENTRAL CALIFORNIA
2004 September 28 17:15:24 UTC

Preliminary Earthquake Report
California Integrated Seismic Net
USGS/ Caltech/ CGS/ UCB/ UCSD/ UNR
 

 

A strong earthquake occurred at 17:15:24 (UTC) on Tuesday, September 28, 2004. The magnitude 6.0 event has been located in CENTRAL CALIFORNIA. The hypocentral depth was poorly constrained. (This is a computer-generated message -- this event has not yet been reviewed by a seismologist.)

 

 

 

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
Location	35.775°N, 120.445°W
Depth	1.1 km (~0.7 mile) (poorly constrained)
Region	CENTRAL CALIFORNIA
Distances	14 km (9 miles) NNW (336°) from Shandon, CA 14 km (9 miles) S (185°) from Parkfield, CA 23 km (14 miles) E (83°) from San Miguel, CA 27 km (17 miles) NE (52°) from Paso Robles, CA 217 km (135 miles) SE (143°) from San Jose City Hall, CA
Location Uncertainty	horizontal +/- 0.8 km (0.5 miles); depth +/- 14.3 km (8.9 miles)
Parameters	Nst=250, Nph=250, Dmin=8 km, Rmss=0.76 sec, Gp= 29°, M-type=local magnitude (ML), Version=2
Source	California Integrated Seismic Net USGS/ Caltech/ CGS/ UCB/ UCSD/ UNR
Event ID	nc51147892

 

 

[Izzy Dunne]

The hypocentral depth was poorly constrained.

Dontcha just HATE it when that happens ?

[Chemist_Geek]

Plus/minus 14 kilometers? Yeah, "poorly constrained" fits.