A strong earthquake occurred at 10:15:24 AM (PDT) on Tuesday, September 28, 2004.
The magnitude 6.0 event occurred 14 km (9 miles) NNW of Shandon, CA.
The hypocentral depth is 1 km ( 1 mile).
Magnitude 6.0 - local magnitude (ML)
Time Tuesday, September 28, 2004 at 10:15:24 AM (PDT)
Tuesday, September 28, 2004 at 17:15:24 (UTC)
Distance from Shandon, CA - 14 km (9 miles) NNW (336 degrees)
Parkfield, CA - 14 km (9 miles) S (185 degrees)
San Miguel, CA - 23 km (14 miles) E (83 degrees)
Paso Robles, CA - 27 km (17 miles) NE (52 degrees)
San Jose City Hall, CA - 217 km (135 miles) SE (143 degrees)
Coordinates 35 deg. 46.5 min. N (35.775N), 120 deg. 26.7 min. W (120.445W)
Depth 1.1 km (0.7 miles)
Location Quality Fair
Location Quality Parameters Nst=250, Nph=250, Dmin=8 km, Rmss=0.76 sec, Erho=0.8 km, Erzz=14.3 km, Gp=28.8 degrees
Event ID# nc51147892
Update time = Tue Sep 28 10:26:46 PDT 2004
MAG DATE LOCAL-TIME LAT LON DEPTH LOCATION y/m/d h:m:s deg deg km
map ? 2004/09/28 10:24:15 35.806N 120.349W 6.8 13 km ( 8 mi) SE of Parkfield, CA map 2.8 2004/09/28 10:23:49 35.855N 120.396W 5.1 6 km ( 4 mi) SSE of Parkfield, CA map 2.8 2004/09/28 10:22:55 35.994N 120.566W 4.9 16 km (10 mi) NW of Parkfield, CA MAP 3.0 2004/09/28 10:22:22 35.910N 120.458W 6.6 3 km ( 2 mi) WNW of Parkfield, CA MAP 4.1 2004/09/28 10:22:18 35.840N 120.388W 5.6 8 km ( 5 mi) SSE of Parkfield, CA map 1.9 2004/09/28 10:22:02 35.853N 120.402W 5.5 6 km ( 4 mi) SSE of Parkfield, CA MAP 5.0 2004/09/28 10:19:07 35.826N 120.453W 2.5 8 km ( 5 mi) SSW of Parkfield, CA MAP 5.9 2004/09/28 10:15:24 35.775N 120.445W 1.1 14 km ( 9 mi) S of Parkfield, CA