Pacific Northwest Seismic Network

M3.0 earthquake - 6.03 mi WNW from Mt St Helens, WA

Status: Reviewed
101 Felt ReportsReport your experience
Magnitude3.0Time2024/01/05 03:48:41 AM UTCDepth6.82 miCoordinates46.1995, -122.3182ID61978896

Origin

Statistics on estimate of an earthquake's location and time. For more info, see Earthquake Terminology.
Orid
3252558
Magnitude
2.99
Time
1704426548.4699974
Latitude
46.19950
Longitude
-122.31817
Depth
6.82 mi
Location Quality
Excellent
Event ID
61978896
Event Type
eq
Gtype
l
Horizontal Uncertainty
0.12 mi
Depth Uncertainty
0.2 mi
Azimuthal Gap
30 deg
Number of Phases
105
RMS Misfit
0.18

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: 70

Plane APlane BUncertainty
Strike6529428
Dip604128
Rake6013040

Discrepant Stations

Stations whose observed first-motion does not match the predicted first-motion from the focal mechanism.
StationNetworkChannelPolarityQuality
FALCOUWHNZU0.9243