M2.5 earthquake 5 km SSE of Mill Plain, Washington
A magnitude 2.5 earthquake struck 5 km SSE of Mill Plain, Washington on Sat, Nov 7, 1981, 11:54 PM PST (07:54 UTC), 6 km (3 mi) below the surface.
A larger quake followed: M2.7 22 km S of Morton, Washington. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 2.5 (md), micro
- Local time
- UTC
- 1981-11-08 07:54:01 UTC
- Depth
- 5.6 km (3.5 mi), shallow
- Epicenter
- 45.600° N, 122.469° 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, 0.6 km in depth
- Magnitude uncertainty
- ±0.12
- Depth from
- From location
- Station coverage gap
- 82°
- Stations used
- 39
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 6 in the 60 days after this one and 2 in the 30 days before it.
After
- 1.720 km S of Morton, Washington · 16388 days ago · 8 km deep · 88 km away
- 1.53 km NE of East Cathlamet, Washington · 16373 days ago · 21 km deep · 95 km away
- 2.722 km S of Morton, Washington · 16365 days ago · 5 km deep · 85 km away
- 1.623 km S of Morton, Washington · 16349 days ago · 10 km deep · 85 km away
- 2.732 km S of Morton, Washington · 16348 days ago · 1 km deep · 77 km away
- 1.75 km SW of Chenoweth, Oregon · 16348 days ago · -1 km deep · 92 km away
Before
Earthquakes todayWashington earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event uw10121658. Read Mon, Sep 21, 2026, 11:23 AM UTC.