Pacific Northwest Seismic Network

M0.5 earthquake - 0.31 mi WSW from Mt Rainier, WA

Status: Reviewed
Magnitude0.5Time2020/08/19 10:45:31 AM UTCDepth-1.52 miCoordinates46.8503, -121.7645ID61671721

Origin

Statistics on estimate of an earthquake's location and time. For more info, see Earthquake Terminology.
Orid
3137343
Magnitude
0.52
Time
1597833958.3599987
Latitude
46.85033
Longitude
-121.76450
Depth
-1.52 mi
Location Quality
Excellent
Event ID
61671721
Event Type
eq
Gtype
l
Horizontal Uncertainty
0.18 mi
Depth Uncertainty
0.4 mi
Azimuthal Gap
114 deg
Number of Phases
17
RMS Misfit
0.09

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
Strike100418
Dip757040
Rake-160-1540

Discrepant Stations

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

No items.