M1.8 earthquake 10 km W of Pine Hollow, Oregon
A magnitude 1.8 earthquake struck 10 km W of Pine Hollow, Oregon on Sat, May 2, 1981, 9:47 AM PDT (16:47 UTC), 4 km (3 mi) below the surface.
A larger quake followed: M2.1 6 km W of Pine Grove, Oregon. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 1.8 (md), micro
- Local time
- UTC
- 1981-05-02 16:47:45 UTC
- Depth
- 4.4 km (2.8 mi), shallow
- Epicenter
- 45.256° N, 121.424° 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 1.0 km horizontally, 2.1 km in depth
- Magnitude uncertainty
- ±0.24
- Depth from
- From location
- Station coverage gap
- 72°
- Stations used
- 9
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 4 in the 30 days before it.
After
- 2.16 km W of Pine Grove, Oregon · 16579 days ago · 5 km deep · 15 km away
- 1.57 km NNE of Government Camp, Oregon · 16576 days ago · 3 km deep · 26 km away
- 1.513 km ESE of Maupin, Oregon · 16537 days ago · 18 km deep · 41 km away
Before
Earthquakes todayOregon earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event uw10099288. Read Wed, Sep 23, 2026, 12:52 AM UTC.