Oregon earthquakes

M3.0 earthquake 186 km W of Port Orford, Oregon

A magnitude 3.0 earthquake struck 186 km W of Port Orford, Oregon on Fri, Oct 1, 2021, 2:01 PM PDT (21:01 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M4.8 163 km W of Langlois, Oregon. This one was a foreshock.

Port Orford forecastMore in Oregon

Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
3.0 (ML, local (Richter)), minor
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2021-10-01 21:01:49 UTC
Depth
10.0 km (6.2 mi), shallow
Epicenter
43.045° N, 126.740° W
Region
Oregon
Felt reports
1
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

1 person reported to the USGS what they felt; the strongest reported shaking was I, not felt shaking.

Did You Feel It? map: shaking reported by the public
Shaking reported by the public, by area. Map: USGS Did You Feel It?

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 7.1 km horizontally, 2.0 km in depth
Magnitude uncertainty
±0.04
Depth from
Operator assigned
Station coverage gap
268°, poorly surrounded by stations
Stations used
28

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Nearby

Within 100 km, magnitude 1.5 and up: 8 in the 60 days after this one and 3 in the 30 days before it.

After

  1. 3.2182 km W of Gold Beach, Oregon · 1810 days ago · 10 km deep · 90 km away
  2. 3.2off the coast of Oregon · 1808 days ago · 10 km deep · 94 km away · felt by 6
  3. 3.1154 km W of Gold Beach, Oregon · 1808 days ago · 10 km deep · 93 km away
  4. 4.8163 km W of Langlois, Oregon · 1807 days ago · 10 km deep · 28 km away · felt by 12
  5. 2.9157 km W of Gold Beach, Oregon · 1795 days ago · 10 km deep · 92 km away
  6. 3.8250 km WNW of Bandon, Oregon · 1789 days ago · 10 km deep · 91 km away
  7. 3.2207 km W of Langlois, Oregon · 1777 days ago · 10 km deep · 31 km away
  8. 3.0204 km W of Langlois, Oregon · 1770 days ago · 10 km deep · 28 km away

Before

  1. 3.4236 km W of Langlois, Oregon · 1832 days ago · 10 km deep · 52 km away
  2. 2.5off the coast of Oregon · 1854 days ago · 10 km deep · 17 km away
  3. 3.0195 km W of Bandon, Oregon · 1858 days ago · 10 km deep · 45 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000fqxe. Read Mon, Oct 5, 2026, 9:52 AM UTC.