Washington earthquakes

M1.6 earthquake 17 km ENE of Yacolt, Washington

A magnitude 1.6 earthquake struck 17 km ENE of Yacolt, Washington on Sun, Aug 20, 2000, 7:50 PM PDT (02:50 UTC), 14 km (8 mi) below the surface.

A larger quake followed: M2.4 33 km SW of White Swan, Washington. This one was a foreshock.

Yacolt 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
1.6 (md), micro
Local time
UTC
2000-08-21 02:50:28 UTC
Depth
13.5 km (8.4 mi), shallow
Epicenter
45.897° N, 122.191° 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
±0.08
Depth from
From location
Station coverage gap
154°
Stations used
22

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 27 in the 60 days after this one and 11 in the 30 days before it.

After

  1. 1.710 km E of Ashford, Washington · 9533 days ago · 10 km deep · 100 km away
  2. 1.810 km E of Ashford, Washington · 9532 days ago · 10 km deep · 100 km away
  3. 1.58 km SW of Aloha, Oregon · 9532 days ago · 24 km deep · 78 km away
  4. 2.433 km SW of White Swan, Washington · 9528 days ago · -1 km deep · 92 km away
  5. 1.637 km NNE of Amboy, Washington · 9528 days ago · 0 km deep · 34 km away
  6. 1.64 km ESE of Mossyrock, Washington · 9527 days ago · 19 km deep · 71 km away
  7. 1.718 km S of Morton, Washington · 9517 days ago · 19 km deep · 56 km away
  8. 1.7Washington-Oregon border region · 9516 days ago · 15 km deep · 100 km away
  9. 1.85 km S of Odell, Oregon · 9514 days ago · -1 km deep · 61 km away
  10. 1.54 km ESE of Mulino, Oregon · 9511 days ago · 17 km deep · 81 km away
  11. 1.56 km SSW of Molalla, Oregon · 9508 days ago · 11 km deep · 95 km away
  12. 1.51 km SSW of Molalla, Oregon · 9507 days ago · 2 km deep · 90 km away
  13. 1.719 km SSE of Mossyrock, Washington · 9507 days ago · 0 km deep · 54 km away
  14. 2.022 km SSE of Mossyrock, Washington · 9502 days ago · 17 km deep · 52 km away
  15. 1.524 km S of Morton, Washington · 9502 days ago · 11 km deep · 49 km away
  16. 1.513 km NNW of Morton, Washington · 9499 days ago · 16 km deep · 86 km away
  17. 1.96 km S of Morton, Washington · 9496 days ago · 16 km deep · 68 km away
  18. 1.935 km SSE of Morton, Washington · 9496 days ago · 0 km deep · 39 km away
  19. 1.6Washington · 9495 days ago · -2 km deep · 34 km away
  20. 2.214 km NNW of Klickitat, Washington · 9492 days ago · -1 km deep · 73 km away
  21. 1.60 km WSW of Amboy, Washington · 9491 days ago · 16 km deep · 21 km away
  22. 1.87 km E of Vernonia, Oregon · 9491 days ago · 21 km deep · 71 km away
  23. 1.96 km E of Vernonia, Oregon · 9491 days ago · 18 km deep · 71 km away
  24. 1.536 km NNE of Amboy, Washington · 9491 days ago · -2 km deep · 33 km away
  25. 1.97 km E of Vernonia, Oregon · 9490 days ago · 17 km deep · 70 km away
  26. 2.231 km NE of Amboy, Washington · 9486 days ago · 15 km deep · 21 km away
  27. 1.817 km SSW of Packwood, Washington · 9478 days ago · 0 km deep · 71 km away

Before

  1. 2.34 km NNW of Mount Hood, Oregon · 9541 days ago · 4 km deep · 59 km away
  2. 1.52 km NW of Mossyrock, Washington · 9541 days ago · 19 km deep · 76 km away
  3. 2.225 km E of Castle Rock, Washington · 9548 days ago · 17 km deep · 48 km away
  4. 1.56 km NE of Molalla, Oregon · 9549 days ago · 19 km deep · 83 km away
  5. 1.68 km WSW of Packwood, Washington · 9550 days ago · 4 km deep · 82 km away
  6. 1.91 km NW of Mossyrock, Washington · 9551 days ago · 19 km deep · 76 km away
  7. 1.52 km NNW of Mossyrock, Washington · 9551 days ago · 18 km deep · 76 km away
  8. 1.52 km NW of Mossyrock, Washington · 9552 days ago · 19 km deep · 76 km away
  9. 1.72 km NW of Mossyrock, Washington · 9552 days ago · 19 km deep · 76 km away
  10. 2.0Washington · 9558 days ago · 10 km deep · 49 km away
  11. 2.67 km ENE of Government Camp, Oregon · 9563 days ago · 5 km deep · 74 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10508733. Read Wed, Sep 30, 2026, 12:22 PM UTC.