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Version #7: This report supersedes any earlier reports of this event.
This quake ruptured the San Andreas fault section near Parkfield.
A strong earthquake occurred at 10:15:24 AM (PDT) on Tuesday, September 28, 2004.
The magnitude 6.0 event occurred 11 km (7 miles) SSE of Parkfield, CA.
The hypocentral depth is 8 km ( 5 miles).
| Magnitude | 6.0 - regional moment magnitude (Mw) |
|---|---|
| Time | Tuesday, September 28, 2004 at 10:15:24 AM (PDT) Tuesday, September 28, 2004 at 17:15:24 (UTC) |
| Distance from | Parkfield, CA - 11 km (7 miles) SSE (151 degrees) Shandon, CA - 18 km (11 miles) N (1 degrees) San Miguel, CA - 30 km (19 miles) ENE (76 degrees) Paso Robles, CA - 34 km (21 miles) NE (53 degrees) San Jose City Hall, CA - 217 km (135 miles) SE (141 degrees) |
| Coordinates | 35 deg. 48.9 min. N (35.815N), 120 deg. 22.5 min. W (120.374W) |
| Depth | 7.9 km (4.9 miles) |
| Location Quality | Good |
| Location Quality Parameters | Nst=248, Nph=248, Dmin=3 km, Rmss=0.11 sec, Erho=0.4 km, Erzz=0.6 km, Gp=93.6 degrees |
| Event ID# | nc51147892 |
| Additional Information | map with fault names Topo map centered at earthquake (This link takes you offsite). |
