Washington earthquakes

M1.9 earthquake 1 km NW of Mossyrock, Washington

A magnitude 1.9 earthquake struck 1 km NW of Mossyrock, Washington on Sun, Aug 6, 2000, 1:47 AM PDT (08:47 UTC), 19 km (12 mi) below the surface.

A larger quake followed: M2.2 25 km E of Castle Rock, Washington. This one was a foreshock.

Mossyrock 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), micro
Local time
UTC
2000-08-06 08:47:34 UTC
Depth
19.5 km (12.1 mi), shallow
Epicenter
46.543° N, 122.502° 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 0.4 km horizontally, 0.7 km in depth
Magnitude uncertainty
±0.05
Depth from
From location
Station coverage gap
54°
Stations used
38

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 38 in the 60 days after this one and 9 in the 30 days before it.

After

  1. 1.68 km WSW of Packwood, Washington · 9550 days ago · 4 km deep · 56 km away
  2. 2.225 km E of Castle Rock, Washington · 9548 days ago · 17 km deep · 34 km away
  3. 1.524 km ENE of Ashford, Washington · 9548 days ago · -3 km deep · 67 km away
  4. 1.819 km N of Packwood, Washington · 9547 days ago · -2 km deep · 70 km away
  5. 1.612 km NE of Ashford, Washington · 9547 days ago · -2 km deep · 55 km away
  6. 1.523 km ENE of Ashford, Washington · 9544 days ago · -3 km deep · 67 km away
  7. 1.52 km NW of Mossyrock, Washington · 9541 days ago · 19 km deep · 0 km away
  8. 1.617 km ENE of Yacolt, Washington · 9536 days ago · 14 km deep · 76 km away
  9. 1.710 km E of Ashford, Washington · 9533 days ago · 10 km deep · 53 km away
  10. 1.810 km E of Ashford, Washington · 9532 days ago · 10 km deep · 53 km away
  11. 1.517 km E of Ashford, Washington · 9531 days ago · -3 km deep · 59 km away
  12. 1.637 km NNE of Amboy, Washington · 9528 days ago · 0 km deep · 45 km away
  13. 1.64 km ESE of Mossyrock, Washington · 9527 days ago · 19 km deep · 7 km away
  14. 1.524 km ENE of Ashford, Washington · 9523 days ago · -3 km deep · 68 km away
  15. 1.521 km ENE of Ashford, Washington · 9523 days ago · 0 km deep · 64 km away
  16. 1.827 km N of Packwood, Washington · 9521 days ago · -3 km deep · 72 km away
  17. 1.718 km S of Morton, Washington · 9517 days ago · 19 km deep · 23 km away
  18. 1.824 km ENE of Ashford, Washington · 9508 days ago · -3 km deep · 68 km away
  19. 1.524 km ENE of Ashford, Washington · 9508 days ago · -2 km deep · 67 km away
  20. 2.02 km WNW of Des Moines, Washington · 9507 days ago · 17 km deep · 97 km away
  21. 1.52 km WNW of Des Moines, Washington · 9507 days ago · 15 km deep · 97 km away
  22. 2.02 km W of Des Moines, Washington · 9507 days ago · 17 km deep · 96 km away
  23. 1.719 km SSE of Mossyrock, Washington · 9507 days ago · 0 km deep · 21 km away
  24. 1.623 km ENE of Ashford, Washington · 9506 days ago · -3 km deep · 66 km away
  25. 1.722 km ENE of Ashford, Washington · 9505 days ago · 0 km deep · 66 km away
  26. 2.022 km SSE of Mossyrock, Washington · 9502 days ago · 17 km deep · 25 km away
  27. 1.524 km S of Morton, Washington · 9502 days ago · 11 km deep · 30 km away
  28. 1.513 km NNW of Morton, Washington · 9499 days ago · 16 km deep · 17 km away
  29. 1.523 km ENE of Ashford, Washington · 9496 days ago · -3 km deep · 67 km away
  30. 1.96 km S of Morton, Washington · 9496 days ago · 16 km deep · 17 km away
  31. 1.935 km SSE of Morton, Washington · 9496 days ago · 0 km deep · 42 km away
  32. 1.6Washington · 9495 days ago · -2 km deep · 42 km away
  33. 1.624 km ENE of Ashford, Washington · 9494 days ago · -3 km deep · 68 km away
  34. 2.19 km NE of Ashford, Washington · 9494 days ago · 8 km deep · 53 km away
  35. 1.924 km ENE of Ashford, Washington · 9493 days ago · -2 km deep · 68 km away
  36. 1.60 km WSW of Amboy, Washington · 9491 days ago · 16 km deep · 71 km away
  37. 1.87 km E of Vernonia, Oregon · 9491 days ago · 21 km deep · 89 km away
  38. 1.96 km E of Vernonia, Oregon · 9491 days ago · 18 km deep · 89 km away

Before

  1. 1.52 km NNW of Mossyrock, Washington · 9551 days ago · 18 km deep · 0 km away
  2. 1.52 km NW of Mossyrock, Washington · 9552 days ago · 19 km deep · 1 km away
  3. 1.72 km NW of Mossyrock, Washington · 9552 days ago · 19 km deep · 1 km away
  4. 1.526 km ENE of Ashford, Washington · 9554 days ago · -3 km deep · 69 km away
  5. 1.62 km S of DuPont, Washington · 9557 days ago · 39 km deep · 60 km away
  6. 2.0Washington · 9558 days ago · 10 km deep · 30 km away
  7. 1.64 km NE of Bonney Lake, Washington · 9565 days ago · 12 km deep · 78 km away
  8. 1.519 km E of Kelso, Washington · 9569 days ago · 14 km deep · 45 km away
  9. 1.72 km W of Gig Harbor, Washington · 9576 days ago · 46 km deep · 88 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10502418. Read Wed, Sep 30, 2026, 11:33 AM UTC.