Historic Seismicity

Magnitude 6.3 REVILLA GIGEDO ISLANDS REGION
Tuesday, November 01, 2011 at 12:32:00 UTC

Major Tectonic Boundaries: Subduction Zones -purple, Ridges -red and Transform Faults -green

Major Tectonic Boundaries: Subduction Zones -purple, Ridges -red and Transform Faults -green

Major Tectonic Boundaries: Subduction Zones -purple, Ridges -red and Transform Faults -green

Preliminary Earthquake Report
U.S. Geological Survey, National Earthquake Information Center
World Data Center for Seismology, Denver

Magnitude	6.3
Date-Time	Tuesday, November 01, 2011 at 12:32:00 UTC Tuesday, November 01, 2011 at 05:32:00 AM at epicenter Time of Earthquake in other Time Zones
Location	19.891°N, 109.216°W
Depth	5 km (3.1 miles)
Region	REVILLA GIGEDO ISLANDS REGION
Distances	227 km (141 miles) NE of Socorro Island, Mexico 333 km (206 miles) SSE of Cabo San Lucas, Baja Calif. Sur, Mexico 419 km (260 miles) W of Puerto Vallarta, Jalisco, Mexico 1050 km (652 miles) W of MEXICO CITY, D.F., Mexico
Location Uncertainty	horizontal +/- 21 km (13.0 miles); depth +/- 2.8 km (1.7 miles)
Parameters	NST=359, Nph=359, Dmin=427.5 km, Rmss=1.04 sec, Gp=162°, M-type="moment" magnitude from initial P wave (tsuboi method) (Mi/Mwp), Version=F
Source	Magnitude: USGS NEIC (WDCS-D) Location: USGS NEIC (WDCS-D)
Event ID	usb0006hfg