Washington earthquakes

M2.3 earthquake 38 km NNE of Amboy, Washington

A magnitude 2.3 earthquake struck 38 km NNE of Amboy, Washington on Sat, Aug 9, 2008, 4:05 AM PDT (11:05 UTC), -2 km (-1 mi) below the surface.

A larger quake followed: M2.9 23 km SSE of Mossyrock, 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
2.3 (Md, duration), micro
Magnitude from
Pacific Northwest Seismic Network
Local time
UTC
2008-08-09 11:05:28 UTC
Depth
-1.8 km (-1.1 mi), shallow
Epicenter
46.203° N, 122.194° 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, 0.0 km in depth
Magnitude uncertainty
±0.04
Depth from
Operator assigned
Station coverage gap
77°
Stations used
10

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 30 in the 60 days after this one and 7 in the 30 days before it.

After

  1. 1.80 km N of McKenna, Washington · 6630 days ago · 25 km deep · 87 km away
  2. 1.90 km ESE of Brush Prairie, Washington · 6630 days ago · 17 km deep · 59 km away
  3. 2.537 km NNE of Amboy, Washington · 6627 days ago · -2 km deep · 1 km away
  4. 1.736 km NNE of Amboy, Washington · 6627 days ago · -2 km deep · 2 km away
  5. 1.836 km NNE of Amboy, Washington · 6622 days ago · -2 km deep · 2 km away
  6. 2.020 km SW of Nile, Washington · 6619 days ago · 0 km deep · 99 km away
  7. 1.87 km SSW of Onalaska, Washington · 6619 days ago · 17 km deep · 55 km away
  8. 2.137 km NNE of Amboy, Washington · 6619 days ago · -1 km deep · 1 km away
  9. 1.837 km NNE of Amboy, Washington · 6617 days ago · -1 km deep · 1 km away
  10. 1.911 km NE of Ashford, Washington · 6616 days ago · 7 km deep · 73 km away
  11. 2.612 km N of Ashford, Washington · 6616 days ago · 6 km deep · 75 km away
  12. 2.430 km N of Amboy, Washington · 6612 days ago · -1 km deep · 19 km away
  13. 1.619 km SE of Carbonado, Washington · 6612 days ago · 4 km deep · 88 km away
  14. 1.57 km WSW of Morton, Washington · 6612 days ago · 19 km deep · 38 km away
  15. 1.67 km N of Bethany, Oregon · 6607 days ago · 5 km deep · 83 km away
  16. 1.837 km NNE of Amboy, Washington · 6603 days ago · 1 km deep · 1 km away
  17. 1.58 km S of Morton, Washington · 6600 days ago · 15 km deep · 32 km away
  18. 2.523 km SSE of Mossyrock, Washington · 6600 days ago · 14 km deep · 21 km away
  19. 2.923 km SSE of Mossyrock, Washington · 6600 days ago · 15 km deep · 20 km away
  20. 1.623 km SSE of Mossyrock, Washington · 6600 days ago · 16 km deep · 20 km away
  21. 2.423 km SSE of Mossyrock, Washington · 6600 days ago · 15 km deep · 20 km away
  22. 1.523 km SSE of Mossyrock, Washington · 6599 days ago · 14 km deep · 21 km away
  23. 2.137 km NNE of Amboy, Washington · 6597 days ago · -1 km deep · 1 km away
  24. 2.06 km NW of North Portland, Oregon · 6595 days ago · 17 km deep · 76 km away
  25. 1.7Washington · 6590 days ago · 12 km deep · 96 km away
  26. 1.523 km ENE of Ashford, Washington · 6589 days ago · -3 km deep · 80 km away
  27. 1.527 km NNW of Amboy, Washington · 6587 days ago · 19 km deep · 26 km away
  28. 2.617 km SSE of Carbonado, Washington · 6580 days ago · 6 km deep · 86 km away
  29. 1.85 km WSW of Kalama, Washington · 6576 days ago · 18 km deep · 60 km away
  30. 1.711 km N of Pe Ell, Washington · 6576 days ago · 29 km deep · 100 km away

Before

  1. 1.65 km N of Mossyrock, Washington · 6635 days ago · 12 km deep · 48 km away
  2. 2.028 km SW of White Swan, Washington · 6636 days ago · 3 km deep · 92 km away
  3. 1.80 km SSE of Minnehaha, Washington · 6650 days ago · 16 km deep · 70 km away
  4. 1.615 km E of Yacolt, Washington · 6655 days ago · 6 km deep · 35 km away
  5. 1.56 km ESE of Troutdale, Oregon · 6658 days ago · 12 km deep · 77 km away
  6. 1.915 km WNW of Packwood, Washington · 6660 days ago · 5 km deep · 56 km away
  7. 2.415 km WNW of Packwood, Washington · 6660 days ago · 4 km deep · 56 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10748253. Read Mon, Oct 5, 2026, 1:34 AM UTC.