M1.8 earthquake 6 km WSW of Pine Grove, Oregon
A magnitude 1.8 earthquake struck 6 km WSW of Pine Grove, Oregon on Tue, Aug 17, 1982, 4:44 PM PDT (23:44 UTC), 0 km (0 mi) below the surface.
A larger quake followed: M3.4 8 km NNE of Government Camp, 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
- 1982-08-17 23:44:21 UTC
- Depth
- -0.1 km (-0.0 mi), shallow
- Epicenter
- 45.079° N, 121.441° 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 0.5 km horizontally, 1.0 km in depth
- Magnitude uncertainty
- ±0.11
- Depth from
- From location
- Station coverage gap
- 150°
- Stations used
- 5
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 9 in the 60 days after this one and 3 in the 30 days before it.
After
- 3.48 km NNE of Government Camp, Oregon · 16107 days ago · 4 km deep · 38 km away
- 1.67 km N of Scotts Mills, Oregon · 16100 days ago · 24 km deep · 98 km away
- 1.57 km NW of Detroit, Oregon · 16093 days ago · 2 km deep · 70 km away
- 2.029 km NNE of Detroit, Oregon · 16085 days ago · -1 km deep · 44 km away
- 1.516 km NNW of Shaniko, Oregon · 16076 days ago · 27 km deep · 49 km away
- 1.919 km S of Grass Valley, Oregon · 16076 days ago · 22 km deep · 50 km away
- 1.83 km S of Parkdale, Oregon · 16072 days ago · -1 km deep · 47 km away
- 1.517 km E of Maupin, Oregon · 16071 days ago · 12 km deep · 47 km away
- 1.54 km SE of Parkdale, Oregon · 16053 days ago · 4 km deep · 46 km away
Before
Earthquakes todayOregon earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event uw10143268. Read Wed, Sep 23, 2026, 7:49 PM UTC.