Pacific Northwest Seismic Network

M0.5 earthquake - 0.31 mi SE from Mt St Helens, WA

Status: Reviewed
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Magnitude0.5Time2025/12/11 02:58:44 AM UTCDepth-1.04 miCoordinates46.1957, -122.1863ID62209227

Origin

Statistics on estimate of an earthquake's location and time. For more info, see Earthquake Terminology.
Orid
3365473
Magnitude
0.50
Time
1765421951.6399994
Latitude
46.19567
Longitude
-122.18633
Depth
-1.04 mi
Location Quality
Fair
Event ID
62209227
Event Type
eq
Gtype
l
Horizontal Uncertainty
0.25 mi
Depth Uncertainty
1.73 mi
Azimuthal Gap
109 deg
Number of Phases
15
RMS Misfit
0.15

Focal Mechanisms

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