M2.1 earthquake 10 km S of Mossyrock, Washington
A magnitude 2.1 earthquake struck 10 km S of Mossyrock, Washington on Wed, Nov 7, 2001, 4:54 AM PST (12:54 UTC), 18 km (11 mi) below the surface.
A larger quake followed: M2.4 7 km NNW of La Grande, Washington. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 2.1 (Md, duration), micro
- Magnitude from
- Pacific Northwest Seismic Network
- Local time
- UTC
- 2001-11-07 12:54:40 UTC
- Depth
- 17.8 km (11.1 mi), shallow
- Epicenter
- 46.435° N, 122.480° W
- Region
- Washington
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Did you feel it?
No one has reported feeling this quake to the USGS.
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 0.4 km horizontally, 0.5 km in depth
- Magnitude uncertainty
- ±0.04
- Depth from
- From location
- Station coverage gap
- 45°
- Stations used
- 41
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 5 in the 60 days after this one and 4 in the 30 days before it.
After
- 1.52 km NE of Brush Prairie, Washington · 9093 days ago · 17 km deep · 76 km away
- 1.733 km NNE of Amboy, Washington · 9088 days ago · 11 km deep · 29 km away
- 1.617 km NNE of Ashford, Washington · 9087 days ago · 10 km deep · 66 km away
- 1.627 km SSE of Morton, Washington · 9067 days ago · 4 km deep · 26 km away
- 2.47 km NNW of La Grande, Washington · 9066 days ago · 20 km deep · 52 km away
Before
- 1.76 km ESE of Carbonado, Washington · 9106 days ago · 4 km deep · 80 km away
- 1.737 km NNE of Amboy, Washington · 9108 days ago · 0 km deep · 34 km away
- 1.52 km E of Hockinson, Washington · 9116 days ago · 10 km deep · 77 km away
- 2.125 km ENE of Packwood, Washington · 9116 days ago · 4 km deep · 90 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event uw10538988. Read Sat, Oct 3, 2026, 4:43 AM UTC.