Earthquake Magnitude 7.7 - QUEEN CHARLOTTE ISLANDS REGION

Earthquake Details

• This event has been reviewed by a seismologist.

Magnitude	7.7
Date-Time	Sunday, October 28, 2012 at 03:04:10 UTC Saturday, October 27, 2012 at 08:04:10 PM at epicenter Time of Earthquake in other Time Zones
Location	52.769°N, 131.927°W
Depth	17.5 km (10.9 miles)
Region	QUEEN CHARLOTTE ISLANDS REGION
Distances	139 km (86 miles) S of Masset, Canada 202 km (125 miles) SSW of Prince Rupert, Canada 293 km (182 miles) SW of Terrace, Canada 556 km (345 miles) NW of Campbell River, Canada
Location Uncertainty	horizontal +/- 14 km (8.7 miles); depth +/- 4 km (2.5 miles)
Parameters	NST=716, Nph=716, Dmin=267.2 km, Rmss=0.95 sec, Gp= 58°, M-type=regional moment magnitude (Mw), Version=A
Source	Magnitude: USGS NEIC (WDCS-D) Location: USGS NEIC (WDCS-D)
Event ID	usb000df7n

- USGS