M2.6 earthquake 120 km WSW of Brookings, Oregon
A magnitude 2.6 earthquake struck 120 km WSW of Brookings, Oregon on Thu, Aug 7, 1986, 5:23 PM PDT (00:23 UTC), 28 km (17 mi) below the surface.
A larger quake followed: M4.4 166 km WSW of Pistol River, Oregon. 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 (Ma), micro
- Magnitude from
- Northern California Seismic System
- Local time
- UTC
- 1986-08-08 00:23:28 UTC
- Depth
- 27.6 km (17.2 mi), shallow
- Epicenter
- 41.696° N, 125.659° 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 3.8 km horizontally, 18.6 km in depth
- Magnitude uncertainty
- ±0.17
- Depth from
- From location
- Station coverage gap
- 316°, poorly surrounded by stations
- Stations used
- 8
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
- 3.3105 km WSW of Crescent City, California · 14664 days ago · 6 km deep · 23 km away
- 3.3169 km WSW of Pistol River, Oregon · 14641 days ago · 4 km deep · 62 km away
- 4.4166 km WSW of Pistol River, Oregon · 14640 days ago · 10 km deep · 59 km away
Before
Earthquakes todayOregon earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event nc10086468. Read Thu, Oct 1, 2026, 10:55 AM UTC.