Archive for November 6th, 2012

November 6, 2012

Queen Charlotte Is. Canada, 2012-10-28, 7.7Mw and aftershocks

Event

Catalog Source: NRCAN- Natural Resources Canada
Date/Time: 28/10/2012 03:04:06
Lat: 52.56 Long: -132.29
Magnitude: 7.7 Mw
Depth: 20 km
Location: 83 km SW of Sandspit BC. {F}

(USGS data)
Magnitude 7.7 Mw
Location 52.742°N, 132.131°W ± 12.2 km
Depth 20.1 km ± 2.7 km
Number of Stations Used 778
Number of Phases Used 782
141km (88mi) S of Masset, Queen Charlotte Islands, Canada
212km (132mi) SW of Prince Rupert, BC, Canada
Felt (V) in the Masset-Queen Charlotte City area and (IV) at Fort Saint James, Kelowna, Kitimat, Prince Rupert and Revelstoke. Felt from Seattle, Washington to Juneau, Alaska and Calgary, Alberta.

NetworkPlots

Network Aftershock Estimates

up to 154 hours after the main shock

NRCAN Aftershocks

summary

mag2= 1, mag3= 5
mag4= 21 , mag5= 4 , mag6= 1
total= 32

USGS Aftershocks

summary

mag4= 77 , mag5= 9 , mag6= 2
total= 88

GFZ Aftershocks

summary

mag4= 31 , mag5= 11 , mag6= 2
total= 44

RAS Aftershocks

summary

mag4= 19 , mag5= 18 , mag6= 2
total= 39

ANSS History 1910-2012, Mag 5.0+

NRCAN History 7 Nov 2011 – 28 Oct 2012

SNZO Graph of the QCIs 7.7Mw

click on image for larger view
sno graph

SNZO Graph of the QCIs 6.3Mw aftershock

click on image for larger view
sno graph

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