Pacific Northwest Seismic Network

M0.4 earthquake - 0.68 mi SSW from Mt St Helens, WA

Status: Reviewed
0 Felt ReportsReport your experience
Magnitude0.4Time2025/12/09 10:29:16 AM UTCDepth5.14 miCoordinates46.1885, -122.1933ID62217541

Origin

Statistics on estimate of an earthquake's location and time. For more info, see Earthquake Terminology.
Orid
3365308
Magnitude
0.39
Time
1765276183.25
Latitude
46.18850
Longitude
-122.19333
Depth
5.14 mi
Location Quality
Excellent
Event ID
62217541
Event Type
eq
Gtype
l
Horizontal Uncertainty
0.29 mi
Depth Uncertainty
0.45 mi
Azimuthal Gap
100 deg
Number of Phases
16
RMS Misfit
0.13

Focal Mechanisms

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