Pacific Northwest Seismic Network

M1.8 earthquake - 12.37 mi S from Longview, WA

Status: Reviewed
Magnitude1.8Time2025/01/08 01:00:13 AM UTCDepth11.58 miCoordinates45.9592, -122.9075ID62061722

Origin

Statistics on estimate of an earthquake's location and time. For more info, see Earthquake Terminology.
Orid
3305113
Magnitude
1.75
Time
1736298040.4399996
Latitude
45.95917
Longitude
-122.90750
Depth
11.58 mi
Location Quality
Excellent
Event ID
62061722
Event Type
eq
Gtype
l
Horizontal Uncertainty
0.21 mi
Depth Uncertainty
0.36 mi
Azimuthal Gap
46 deg
Number of Phases
36
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.

Solution 1

Focal mechanism solution for event

Number of P First motions: 21

Plane APlane BUncertainty
Strike2551340
Dip208023
Rake-30-10730

Discrepant Stations

Stations whose observed first-motion does not match the predicted first-motion from the focal mechanism.
StationNetworkChannelPolarityQuality
LOOCCBHZU0.95
ABERUWHHZD0.9243

Solution 2

Focal mechanism solution for event

Number of P First motions: 21

Plane APlane BUncertainty
Strike1901035
Dip801015
Rake909010

Discrepant Stations

Stations whose observed first-motion does not match the predicted first-motion from the focal mechanism.
StationNetworkChannelPolarityQuality
LOOCCBHZU0.95
LCW2UWEHZU0.98
BANKSUOHNZD0.9243
ABERUWHHZD0.9243