M2.9 earthquake - 5.78 mi S from Mt St Helens, WA
Status: Reviewed
7 Felt ReportsReport your experience
Magnitude2.9Time2016/02/08 04:50:07 PM UTCDepth3.57 miCoordinates46.1168, -122.1627ID61107642
Origin
Statistics on estimate of an earthquake's location and time. For more info, see Earthquake Terminology.Orid
2339943Magnitude
2.88Time
1454950233.96Latitude
46.11683Longitude
-122.16267Depth
3.57 miLocation Quality
ExcellentEvent ID
61107642Event Type
eqGtype
lHorizontal Uncertainty
0.19 miDepth Uncertainty
0.17 miAzimuthal Gap
90 degNumber of Phases
35RMS Misfit
0.15Focal Mechanisms
Describes the fault orientation and slip direction of an earthquake and are generated using first motion (up or down) observations.Solution 1
Number of P First motions: 24
| Plane A | Plane B | Uncertainty | |
|---|---|---|---|
| Strike | 115 | 310 | 10 |
| Dip | 50 | 41 | 15 |
| Rake | 80 | 102 | 25 |
Discrepant Stations
Stations whose observed first-motion does not match the predicted first-motion from the focal mechanism.| Station | Network | Channel | Polarity | Quality |
|---|---|---|---|---|
| SWF2 | CC | BHZ | D | 0.98 |
| HIYU | CC | EHZ | U | 0.98 |