M2.9 earthquake 136km W of Brookings, OR
A magnitude 2.9 earthquake struck 136km W of Brookings, OR on Mon, Nov 29, 2021, 11:32 PM PST (07:32 UTC), 10 km (6 mi) below the surface.
A larger quake followed: M3.2 162 km W of Port Orford, Oregon. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 2.9 (ML, local (Richter)), micro
- Magnitude from
- Northern California Seismic System
- Local time
- UTC
- 2021-11-30 07:32:22 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 41.865° N, 125.911° W
- Region
- Oregon
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Magnitude estimates
Different scales measure different things and differ by a few tenths. The USGS marks one as preferred, and it is the one this page uses.
| Mag. | Scale | Computed by | Notes |
|---|---|---|---|
| 2.85 | ML, local (Richter) | Northern California Seismic System | Preferred · Final · ±0.132 · 11 stations |
| 2.6 | ML, local (Richter) | USGS National Earthquake Information Center | Reviewed · ±0.045 · 66 stations |
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 3.9 km horizontally, 31.6 km in depth
- Magnitude uncertainty
- ±0.13
- Depth from
- Operator assigned
- Station coverage gap
- 268°, poorly surrounded by stations
- Stations used
- 32
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 2 in the 60 days after this one and 4 in the 30 days before it.
After
- 3.2162 km W of Port Orford, Oregon · 1725 days ago · 10 km deep · 85 km away
- 2.7156 km WSW of Port Orford, Oregon · 1712 days ago · 10 km deep · 78 km away
Before
Earthquakes todayOregon earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event nc73659935 (also filed as us6000g7u4). Read Sun, Oct 4, 2026, 5:10 PM UTC.