Pacific Northwest Seismic Network

M3.9 earthquake - 2.17 mi ENE from North Bend, WA

Status: Reviewed
902 Felt ReportsReport your experience
Magnitude3.9Time2015/09/12 10:22:12 PM UTCDepth11.7 miCoordinates47.5178, -121.7498ID61064752

Origin

Statistics on estimate of an earthquake's location and time. For more info, see Earthquake Terminology.
Orid
2200548
Magnitude
3.93
Time
1442096558.3999996
Latitude
47.51783
Longitude
-121.74983
Depth
11.7 mi
Location Quality
Excellent
Event ID
61064752
Event Type
eq
Gtype
l
Horizontal Uncertainty
0.29 mi
Depth Uncertainty
0.43 mi
Azimuthal Gap
56 deg
Number of Phases
76
RMS Misfit
0.32

Focal Mechanisms

Describes the fault orientation and slip direction of an earthquake and are generated using first motion (up or down) observations.

Solution 1

Focal mechanism solution for event

Number of P First motions: 59

Plane APlane BUncertainty
Strike3528910
Dip705315
Rake4015515

Discrepant Stations

Stations whose observed first-motion does not match the predicted first-motion from the focal mechanism.
StationNetworkChannelPolarityQuality
HICCUWENZD0.98
BHWUWEHZU0.98
PCEPUWENZD0.98
GHWUWEHZU0.98
RCMUWEHZU0.98
TBMUWEHZU0.98