Washington earthquakes

M2.0 earthquake 7 km ENE of Snoqualmie, Washington

A magnitude 2.0 earthquake struck 7 km ENE of Snoqualmie, Washington on Sat, Apr 4, 1981, 3:21 AM PST (11:21 UTC), 8 km (5 mi) below the surface.

A larger quake followed: M2.5 4 km SSW of Gorst, Washington. This one was a foreshock.

Snoqualmie 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
2.0 (md), micro
Local time
UTC
1981-04-04 11:21:48 UTC
Depth
8.1 km (5.1 mi), shallow
Epicenter
47.563° N, 121.742° 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, 0.8 km in depth
Magnitude uncertainty
±0.07
Depth from
From location
Station coverage gap
58°
Stations used
26

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 26 in the 60 days after this one and 18 in the 30 days before it.

After

  1. 1.97 km ENE of Snoqualmie, Washington · 16608 days ago · 9 km deep · 0 km away
  2. 1.811 km NNE of Snoqualmie, Washington · 16605 days ago · 13 km deep · 6 km away
  3. 2.54 km SSW of Gorst, Washington · 16601 days ago · 24 km deep · 74 km away
  4. 1.916 km NNE of May Creek, Washington · 16597 days ago · 7 km deep · 49 km away
  5. 2.42 km SSE of Maple Heights-Lake Desire, Washington · 16593 days ago · 17 km deep · 30 km away
  6. 1.77 km NNW of Kingston, Washington · 16588 days ago · 29 km deep · 68 km away
  7. 1.56 km NNE of Oso, Washington · 16588 days ago · 0 km deep · 85 km away
  8. 1.54 km WSW of Chico, Washington · 16586 days ago · 12 km deep · 77 km away
  9. 2.14 km WSW of Chico, Washington · 16586 days ago · 13 km deep · 76 km away
  10. 1.6Puget Sound region, Washington · 16584 days ago · 17 km deep · 48 km away
  11. 1.76 km NNE of Oso, Washington · 16581 days ago · 0 km deep · 86 km away
  12. 2.05 km NNE of Oso, Washington · 16581 days ago · 5 km deep · 84 km away
  13. 1.65 km NNE of Oso, Washington · 16581 days ago · 1 km deep · 85 km away
  14. 2.56 km NNE of Oso, Washington · 16581 days ago · 1 km deep · 85 km away
  15. 1.55 km NNE of Oso, Washington · 16581 days ago · 0 km deep · 85 km away
  16. 1.5Washington · 16579 days ago · 1 km deep · 85 km away
  17. 1.712 km ESE of Carbonado, Washington · 16578 days ago · 16 km deep · 59 km away
  18. 1.52 km SW of Roosevelt, Washington · 16577 days ago · 25 km deep · 41 km away
  19. 1.81 km SE of Enetai, Washington · 16572 days ago · 32 km deep · 63 km away
  20. 2.40 km W of Mountlake Terrace, Washington · 16566 days ago · 23 km deep · 50 km away
  21. 1.519 km NNE of Index, Washington · 16564 days ago · 6 km deep · 51 km away
  22. 1.71 km SE of Redmond, Washington · 16563 days ago · 11 km deep · 30 km away
  23. 1.611 km NE of Snoqualmie, Washington · 16560 days ago · 2 km deep · 5 km away
  24. 1.67 km ENE of Snoqualmie, Washington · 16557 days ago · 9 km deep · 1 km away
  25. 1.611 km N of Packwood, Washington · 16554 days ago · -2 km deep · 95 km away
  26. 2.56 km NNW of Bangor Trident Base, Washington · 16549 days ago · 21 km deep · 78 km away

Before

  1. 1.53 km SE of Echo Lake, Washington · 16608 days ago · 16 km deep · 31 km away
  2. 1.7Washington · 16609 days ago · 4 km deep · 50 km away
  3. 2.74 km WNW of Wauna, Washington · 16610 days ago · 23 km deep · 74 km away
  4. 2.24 km S of Coupeville, Washington · 16611 days ago · 25 km deep · 99 km away
  5. 2.02 km WNW of Belfair, Washington · 16613 days ago · 1 km deep · 85 km away
  6. 1.518 km NNE of Index, Washington · 16618 days ago · 2 km deep · 50 km away
  7. 2.47 km SSE of Coupeville, Washington · 16618 days ago · 25 km deep · 94 km away
  8. 1.74 km WNW of Burien, Washington · 16622 days ago · 17 km deep · 50 km away
  9. 1.56 km SE of Freeland, Washington · 16627 days ago · 50 km deep · 70 km away
  10. 2.410 km NE of Snoqualmie, Washington · 16627 days ago · 6 km deep · 4 km away
  11. 1.918 km N of Index, Washington · 16628 days ago · 5 km deep · 50 km away
  12. 1.618 km NE of May Creek, Washington · 16628 days ago · 6 km deep · 50 km away
  13. 1.518 km N of Index, Washington · 16628 days ago · 5 km deep · 50 km away
  14. 3.619 km NNE of Index, Washington · 16628 days ago · 5 km deep · 51 km away
  15. 1.615 km NNE of May Creek, Washington · 16629 days ago · 8 km deep · 48 km away
  16. 2.67 km NE of Snoqualmie Pass, Washington · 16633 days ago · 7 km deep · 33 km away
  17. 2.94 km E of Cle Elum, Washington · 16637 days ago · -1 km deep · 76 km away
  18. 1.75 km E of Carnation, Washington · 16638 days ago · 15 km deep · 12 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10099123. Read Wed, Sep 23, 2026, 5:19 PM UTC.