Washington earthquakes

M1.9 earthquake 33 km NE of Amboy, Washington

A magnitude 1.9 earthquake struck 33 km NE of Amboy, Washington on Fri, Feb 28, 1986, 10:11 PM PST (06:11 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M3.1 4 km NE of Amboy, Washington. This one was a foreshock.

Amboy forecastMore in Washington

Map

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

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The earthquake

Magnitude
1.9 (Md, duration), micro
Magnitude from
Pacific Northwest Seismic Network
Local time
UTC
1986-03-01 06:11:43 UTC
Depth
4.5 km (2.8 mi), shallow
Epicenter
46.103° N, 122.118° W
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 0.6 km horizontally, 0.5 km in depth
Magnitude uncertainty
±0.06
Depth from
From location
Station coverage gap
59°
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: 39 in the 60 days after this one and 6 in the 30 days before it.

After

  1. 1.738 km NNE of Amboy, Washington · 14824 days ago · -1 km deep · 12 km away
  2. 1.838 km NNE of Amboy, Washington · 14822 days ago · -2 km deep · 12 km away
  3. 2.638 km NNE of Amboy, Washington · 14820 days ago · -2 km deep · 13 km away
  4. 2.437 km NNE of Amboy, Washington · 14817 days ago · -1 km deep · 12 km away
  5. 3.14 km NE of Amboy, Washington · 14816 days ago · 13 km deep · 29 km away
  6. 1.833 km NE of Amboy, Washington · 14814 days ago · 3 km deep · 1 km away
  7. 1.95 km SW of La Grande, Washington · 14812 days ago · -1 km deep · 80 km away
  8. 1.538 km NNE of Amboy, Washington · 14811 days ago · -2 km deep · 12 km away
  9. 1.57 km NE of Government Camp, Oregon · 14810 days ago · 3 km deep · 89 km away
  10. 1.538 km NNE of Amboy, Washington · 14808 days ago · -1 km deep · 12 km away
  11. 1.86 km SSW of Morton, Washington · 14803 days ago · 19 km deep · 48 km away
  12. 1.6Washington · 14801 days ago · 4 km deep · 71 km away
  13. 1.53 km WNW of Ashford, Washington · 14796 days ago · 25 km deep · 74 km away
  14. 1.537 km NNE of Amboy, Washington · 14784 days ago · -1 km deep · 12 km away
  15. 1.738 km NNE of Amboy, Washington · 14783 days ago · -1 km deep · 13 km away
  16. 2.739 km NNE of Amboy, Washington · 14781 days ago · -1 km deep · 13 km away
  17. 1.838 km NNE of Amboy, Washington · 14780 days ago · -2 km deep · 13 km away
  18. 2.438 km NNE of Amboy, Washington · 14780 days ago · -1 km deep · 13 km away
  19. 2.538 km NNE of Amboy, Washington · 14778 days ago · -1 km deep · 13 km away
  20. 1.737 km NNE of Amboy, Washington · 14778 days ago · -2 km deep · 13 km away
  21. 1.95 km ESE of Mossyrock, Washington · 14777 days ago · 18 km deep · 52 km away
  22. 2.038 km NNE of Amboy, Washington · 14777 days ago · -1 km deep · 13 km away
  23. 1.538 km NNE of Amboy, Washington · 14776 days ago · 1 km deep · 12 km away
  24. 1.538 km NNE of Amboy, Washington · 14776 days ago · 1 km deep · 12 km away
  25. 1.837 km NNE of Amboy, WA · 14776 days ago · -1 km deep · 11 km away
  26. 1.536 km NNE of Amboy, Washington · 14776 days ago · 1 km deep · 11 km away
  27. 1.938 km NNE of Amboy, Washington · 14776 days ago · -1 km deep · 12 km away
  28. 1.838 km NNE of Amboy, Washington · 14776 days ago · -1 km deep · 12 km away
  29. 1.536 km NNE of Amboy, Washington · 14775 days ago · 1 km deep · 11 km away
  30. 1.938 km NNE of Amboy, Washington · 14775 days ago · -1 km deep · 13 km away
  31. 1.638 km NNE of Amboy, Washington · 14775 days ago · -1 km deep · 12 km away
  32. 2.038 km NNE of Amboy, Washington · 14775 days ago · 1 km deep · 13 km away
  33. 1.538 km NNE of Amboy, Washington · 14773 days ago · -2 km deep · 13 km away
  34. 1.73 km N of Woodland, Washington · 14772 days ago · 14 km deep · 51 km away
  35. 2.237 km NNE of Amboy, Washington · 14772 days ago · 0 km deep · 13 km away
  36. 2.838 km NNE of Amboy, Washington · 14769 days ago · -2 km deep · 13 km away
  37. 1.938 km NNE of Amboy, Washington · 14768 days ago · -1 km deep · 12 km away
  38. 2.038 km NNE of Amboy, Washington · 14767 days ago · -1 km deep · 12 km away
  39. 1.638 km NNE of Amboy, Washington · 14767 days ago · -1 km deep · 13 km away

Before

  1. 1.632 km NE of Amboy, Washington · 14828 days ago · 3 km deep · 0 km away
  2. 2.138 km NNE of Amboy, Washington · 14838 days ago · -1 km deep · 13 km away
  3. 1.838 km NNE of Amboy, Washington · 14845 days ago · -2 km deep · 13 km away
  4. 1.56 km ENE of Government Camp, Oregon · 14846 days ago · 2 km deep · 93 km away
  5. 1.638 km NNE of Amboy, Washington · 14852 days ago · -2 km deep · 13 km away
  6. 1.638 km NNE of Amboy, Washington · 14854 days ago · -2 km deep · 13 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10202338. Read Sat, Oct 3, 2026, 6:20 AM UTC.