M2.2 earthquake 1 km NE of Mansfield, Washington
A magnitude 2.2 earthquake struck 1 km NE of Mansfield, Washington on Sun, Dec 20, 1981, 6:47 PM PST (02:47 UTC), 3 km (2 mi) below the surface.
A larger quake followed: M2.7 18 km NNE of Thorp, Washington. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 2.2 (md), micro
- Local time
- UTC
- 1981-12-21 02:47:01 UTC
- Depth
- 2.9 km (1.8 mi), shallow
- Epicenter
- 47.824° N, 119.620° 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 0.5 km horizontally, 2.6 km in depth
- Magnitude uncertainty
- ±0.11
- Depth from
- From location
- Station coverage gap
- 55°
- Stations used
- 27
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 4 in the 60 days after this one and 3 in the 30 days before it.
After
- 2.718 km NNE of Thorp, Washington · 16332 days ago · 0 km deep · 100 km away
- 1.913 km ENE of Royal City, Washington · 16332 days ago · 2 km deep · 98 km away
- 2.818 km SSW of Mansfield, Washington · 16287 days ago · 0 km deep · 20 km away
- 1.518 km SSW of Mansfield, Washington · 16287 days ago · 0 km deep · 21 km away
Before
Earthquakes todayWashington earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event uw10122983. Read Tue, Sep 22, 2026, 2:08 PM UTC.