Magnitude 4.6 Washington 18-Nov-11 13:09

Link to USGS pages

Earthquake Details

    This event has been reviewed by a seismologist.

Magnitude	4.6
Date-Time	Friday, November 18, 2011 at 13:09:00 UTC
		Friday, November 18, 2011 at 05:09:00 AM at epicenter
Location	48.469°N, 119.607°W
Depth		11.9 km (7.4 miles) set by location program
Region		WASHINGTON
Distances	8 km (5 miles) WSW (243°) from Riverside, WA
    		9 km (6 miles) NW (317°) from Omak, WA
    		12 km (7 miles) N (350°) from Okanogan, WA
    		186 km (115 miles) WNW (299°) from Spokane, WA
    		223 km (139 miles) ENE (64°) from Seattle, WA

Location 
Uncertainty	horizontal +/- 0.9 km (0.6 miles); depth fixed by location program
Parameters	NST= 18, Nph= 18, Dmin=23 km, Rmss=0.26 sec, Gp=119°,
		M-type=duration magnitude (Md), Version=1
Source		Pacific Northwest Seismograph Network
Event ID	uw11181309


Location
Location in Google Maps

Shake Map

Seismic Hazard Map

Historic Seismicity

USGS/SLU Regional Moment Solution

 11/11/18 13:09:00   
 WASHINGTON                      
 Epicenter:  48.480 -119.620
 MW 4.0

 USGS/SLU REGIONAL MOMENT TENSOR
 Depth  13         No. of sta: 15
 Moment Tensor;   Scale 10**15 Nm
   Mrr= 1.11       Mtt=-1.18
   Mpp= 0.07       Mrt= 0.38
   Mrp= 0.35       Mtp= 0.35
  Principal axes:
   T  Val=  1.30  Plg=69  Azm=300
   N        0.00      20      100
   P       -1.30       7      193

 Best Double Couple:Mo=1.3*10**15
  NP1:Strike= 85 Dip=55 Slip=  65
  NP2:       304     42       121

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About PuterMan

A retired programmer.
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