Pacific Northwest Seismic Network

M0.5 earthquake - 11.37 mi NW from Mt Rainier, WA

Status: Reviewed
Magnitude0.5Time2020/12/10 06:33:31 PM UTCDepth7.83 miCoordinates46.941, -121.9633ID61694827

Origin

Statistics on estimate of an earthquake's location and time. For more info, see Earthquake Terminology.
Orid
3146658
Magnitude
0.45
Time
1607625238.8400002
Latitude
46.94100
Longitude
-121.96333
Depth
7.83 mi
Location Quality
Excellent
Event ID
61694827
Event Type
eq
Gtype
l
Horizontal Uncertainty
0.31 mi
Depth Uncertainty
0.42 mi
Azimuthal Gap
111 deg
Number of Phases
25
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: 11

Plane APlane BUncertainty
Strike17530538
Dip455728
Rake1305745

Discrepant Stations

Stations whose observed first-motion does not match the predicted first-motion from the focal mechanism.
StationNetworkChannelPolarityQuality
PARACCBHZU0.9243

Solution 2

Focal mechanism solution for event

Number of P First motions: 11

Plane APlane BUncertainty
Strike514733
Dip405630
Rake1206730

Discrepant Stations

Stations whose observed first-motion does not match the predicted first-motion from the focal mechanism.
StationNetworkChannelPolarityQuality
STARUWEHZD0.9243