M2.6 earthquake 11 km W of Pine Hollow, Oregon
A magnitude 2.6 earthquake struck 11 km W of Pine Hollow, Oregon on Thu, Jul 2, 1981, 11:16 AM PDT (18:16 UTC), 5 km (3 mi) below the surface.
A larger quake followed: M2.9 20 km ENE of Yacolt, Washington. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 2.6 (md), micro
- Local time
- UTC
- 1981-07-02 18:16:14 UTC
- Depth
- 4.9 km (3.1 mi), shallow
- Epicenter
- 45.262° N, 121.433° W
- Region
- Oregon
- 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 0.9 km horizontally, 1.5 km in depth
- Magnitude uncertainty
- ±0.05
- Depth from
- From location
- Station coverage gap
- 180°
- Stations used
- 6
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 3 in the 60 days after this one and 1 in the 30 days before it.
After
- 1.719 km N of Detroit, Oregon · 16513 days ago · 14 km deep · 69 km away
- 2.920 km ENE of Yacolt, Washington · 16498 days ago · 7 km deep · 91 km away
- 1.55 km SW of Detroit, Oregon · 16462 days ago · 1 km deep · 87 km away
Before
Earthquakes todayOregon earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event uw10112078. Read Tue, Sep 22, 2026, 8:17 AM UTC.