Pacific Northwest Seismic Network

M0.8 earthquake - 11.62 mi SW from Mt Rainier, WA

Status: Reviewed
Magnitude0.8Time2021/09/23 07:19:29 AM UTCDepth2.69 miCoordinates46.7165, -121.9023ID61783546

Origin

Statistics on estimate of an earthquake's location and time. For more info, see Earthquake Terminology.
Orid
3171578
Magnitude
0.85
Time
1632381596.959999
Latitude
46.71650
Longitude
-121.90233
Depth
2.69 mi
Location Quality
Excellent
Event ID
61783546
Event Type
eq
Gtype
l
Horizontal Uncertainty
0.22 mi
Depth Uncertainty
0.29 mi
Azimuthal Gap
110 deg
Number of Phases
30
RMS Misfit
0.11

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: 14

Plane APlane BUncertainty
Strike1252515
Dip108823
Rake109925

Discrepant Stations

Stations whose observed first-motion does not match the predicted first-motion from the focal mechanism.
StationNetworkChannelPolarityQuality
RCSUWEHZD0.9243

Solution 2

Focal mechanism solution for event

Number of P First motions: 14

Plane APlane BUncertainty
Strike2003013
Dip58513
Rake809015

Discrepant Stations

Stations whose observed first-motion does not match the predicted first-motion from the focal mechanism.
StationNetworkChannelPolarityQuality
RCSUWEHZD0.9243
FMWUWHHZD0.9243

Solution 3

Focal mechanism solution for event

Number of P First motions: 14

Plane APlane BUncertainty
Strike4029820
Dip557333
Rake2014345

Discrepant Stations

Stations whose observed first-motion does not match the predicted first-motion from the focal mechanism.
StationNetworkChannelPolarityQuality
STARUWEHZU0.9771
RCSUWEHZD0.9243