Pacific Northwest Seismic Network

M2.1 earthquake - 20.63 mi from Portland, OR

Status: Reviewed
Magnitude2.1Time1970/01/02 04:41:03 PM UTCDepth8.63 miCoordinates45.8268, -122.7098ID62011521

Origin

Statistics on estimate of an earthquake's location and time. For more info, see Earthquake Terminology.
Orid
3272583
Magnitude
2.07
Time
1717357503.2000008
Latitude
45.82683
Longitude
-122.70983
Depth
8.63 mi
Location Quality
Excellent
Event ID
62011521
Event Type
eq
Gtype
l
Horizontal Uncertainty
0.11 mi
Depth Uncertainty
0.24 mi
Azimuthal Gap
21 deg
Number of Phases
78
RMS Misfit
0.15

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: 31

Plane APlane BUncertainty
Strike28518923
Dip558145
Rake1014450

Discrepant Stations

Stations whose observed first-motion does not match the predicted first-motion from the focal mechanism.
StationNetworkChannelPolarityQuality
PF27UOHHZD0.9243
TRONCCBHZU0.9243
CRBNCCBHZU0.9243