Oregon earthquakes

M2.1 earthquake 8 km N of Bethany, Oregon

A magnitude 2.1 earthquake struck 8 km N of Bethany, Oregon on Fri, Dec 28, 1990, 2:16 AM PST (10:16 UTC), 17 km (10 mi) below the surface.

A larger quake followed: M2.2 3 km N of North Portland, Oregon. This one was a foreshock.

Bethany 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
2.1 (Md, duration), micro
Magnitude from
Pacific Northwest Seismic Network
Local time
UTC
1990-12-28 10:16:51 UTC
Depth
16.8 km (10.5 mi), shallow
Epicenter
45.634° N, 122.860° 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 0.3 km horizontally, 0.4 km in depth
Magnitude uncertainty
±0.05
Depth from
From location
Station coverage gap
127°
Stations used
23

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 17 in the 60 days after this one and 8 in the 30 days before it.

After

  1. 1.538 km NNE of Amboy, Washington · 13057 days ago · 2 km deep · 82 km away
  2. 1.84 km SSE of Walnut Grove, Washington · 13056 days ago · 17 km deep · 21 km away
  3. 1.938 km NNE of Amboy, Washington · 13054 days ago · 2 km deep · 82 km away
  4. 1.738 km NNE of Amboy, Washington · 13048 days ago · -1 km deep · 82 km away
  5. 1.715 km S of Morton, Washington · 13037 days ago · 7 km deep · 99 km away
  6. 1.822 km NNW of Carson, Washington · 13030 days ago · 6 km deep · 74 km away
  7. 1.511 km ESE of Yacolt, Washington · 13025 days ago · 8 km deep · 50 km away
  8. 1.637 km NNE of Amboy, Washington · 13024 days ago · -1 km deep · 81 km away
  9. 1.85 km SSW of Aloha, Oregon · 13022 days ago · 37 km deep · 21 km away
  10. 1.939 km S of Morton, Washington · 13022 days ago · 1 km deep · 83 km away
  11. 1.737 km NNE of Amboy, Washington · 13021 days ago · -1 km deep · 82 km away
  12. 1.67 km ENE of Government Camp, Oregon · 13015 days ago · 4 km deep · 98 km away
  13. 1.537 km NE of Amboy, Washington · 13014 days ago · -2 km deep · 82 km away
  14. 1.836 km NNE of Amboy, Washington · 13013 days ago · 0 km deep · 80 km away
  15. 1.538 km NNE of Amboy, Washington · 13005 days ago · 0 km deep · 82 km away
  16. 2.23 km N of North Portland, Oregon · 13004 days ago · 14 km deep · 12 km away
  17. 1.71 km NNE of Mill Plain, Washington · 13003 days ago · 11 km deep · 29 km away

Before

  1. 1.538 km NNE of Amboy, Washington · 13068 days ago · 0 km deep · 82 km away
  2. 1.638 km NNE of Amboy, Washington · 13069 days ago · -1 km deep · 82 km away
  3. 1.738 km NNE of Amboy, Washington · 13069 days ago · 0 km deep · 82 km away
  4. 1.638 km NNE of Amboy, Washington · 13069 days ago · 0 km deep · 82 km away
  5. 2.136 km NNE of Amboy, Washington · 13069 days ago · 1 km deep · 81 km away
  6. 1.637 km NNE of Amboy, Washington · 13069 days ago · -1 km deep · 82 km away
  7. 1.84 km SSE of Mossyrock, Washington · 13084 days ago · 19 km deep · 99 km away
  8. 1.638 km NNE of Amboy, Washington · 13091 days ago · 0 km deep · 82 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10273083. Read Thu, Oct 1, 2026, 9:13 PM UTC.