Washington earthquakes

M2.6 earthquake 6 km N of Cherry Grove, Washington

A magnitude 2.6 earthquake struck 6 km N of Cherry Grove, Washington on Mon, Aug 28, 1989, 11:02 AM PDT (18:02 UTC), 13 km (8 mi) below the surface.

A larger quake followed: M3.5 8 km NNE of Government Camp, Oregon. This one was a foreshock.

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Map

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

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The earthquake

Magnitude
2.6 (Md, duration), micro
Magnitude from
Pacific Northwest Seismic Network
Local time
UTC
1989-08-28 18:02:30 UTC
Depth
12.9 km (8.0 mi), shallow
Epicenter
45.855° N, 122.579° 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 0.0 km horizontally, 0.1 km in depth
Magnitude uncertainty
±0.03
Depth from
Operator assigned
Station coverage gap
40°
Stations used
45

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 23 in the 60 days after this one and 12 in the 30 days before it.

After

  1. 1.66 km E of La Center, Washington · 13548 days ago · 15 km deep · 1 km away
  2. 2.03 km ENE of Kelso, Washington · 13543 days ago · 21 km deep · 41 km away
  3. 1.938 km NNE of Amboy, Washington · 13540 days ago · -2 km deep · 49 km away
  4. 1.526 km SSE of Mossyrock, Washington · 13537 days ago · 0 km deep · 52 km away
  5. 1.629 km SSE of Mossyrock, Washington · 13537 days ago · 5 km deep · 49 km away
  6. 2.27 km NNE of Government Camp, Oregon · 13531 days ago · 3 km deep · 86 km away
  7. 2.18 km NNE of Government Camp, Oregon · 13531 days ago · 4 km deep · 87 km away
  8. 3.58 km NNE of Government Camp, Oregon · 13531 days ago · 4 km deep · 87 km away
  9. 2.07 km NNE of Government Camp, Oregon · 13531 days ago · 4 km deep · 88 km away
  10. 1.57 km NNE of Government Camp, Oregon · 13531 days ago · 3 km deep · 88 km away
  11. 1.68 km NE of Government Camp, Oregon · 13531 days ago · -1 km deep · 88 km away
  12. 2.023 km S of Morton, Washington · 13531 days ago · 8 km deep · 61 km away
  13. 1.529 km ENE of Kelso, Washington · 13531 days ago · -1 km deep · 39 km away
  14. 2.136 km SSE of Morton, Washington · 13525 days ago · 6 km deep · 58 km away
  15. 1.77 km S of Parkdale, Oregon · 13522 days ago · 4 km deep · 89 km away
  16. 1.537 km NNE of Amboy, Washington · 13506 days ago · 3 km deep · 48 km away
  17. 1.638 km NNE of Amboy, Washington · 13505 days ago · 0 km deep · 49 km away
  18. 1.738 km NNE of Amboy, Washington · 13505 days ago · 0 km deep · 49 km away
  19. 1.62 km S of Wapanitia, Oregon · 13503 days ago · 17 km deep · 97 km away
  20. 1.738 km NNE of Amboy, Washington · 13495 days ago · 2 km deep · 49 km away
  21. 1.725 km SSE of Morton, Washington · 13495 days ago · 17 km deep · 63 km away
  22. 1.737 km NNE of Amboy, Washington · 13491 days ago · 3 km deep · 49 km away
  23. 2.336 km SSE of Morton, Washington · 13490 days ago · 9 km deep · 61 km away

Before

  1. 1.737 km NNE of Amboy, Washington · 13552 days ago · -2 km deep · 49 km away
  2. 1.737 km NNE of Amboy, Washington · 13552 days ago · -2 km deep · 49 km away
  3. 1.737 km NNE of Amboy, Washington · 13552 days ago · -1 km deep · 49 km away
  4. 2.737 km NNE of Amboy, Washington · 13552 days ago · -2 km deep · 49 km away
  5. 1.938 km NNE of Amboy, Washington · 13558 days ago · -1 km deep · 49 km away
  6. 2.337 km NNE of Amboy, Washington · 13564 days ago · 0 km deep · 49 km away
  7. 2.32 km SSE of La Center, Washington · 13564 days ago · 16 km deep · 6 km away
  8. 1.638 km NNE of Amboy, Washington · 13564 days ago · -2 km deep · 49 km away
  9. 1.538 km NNE of Amboy, Washington · 13568 days ago · -2 km deep · 49 km away
  10. 1.94 km WNW of Camas, Washington · 13575 days ago · 12 km deep · 29 km away
  11. 3.74 km SE of Mill Plain, Washington · 13575 days ago · 14 km deep · 29 km away
  12. 1.537 km S of Morton, Washington · 13576 days ago · -1 km deep · 47 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10252073. Read Fri, Oct 2, 2026, 5:46 AM UTC.