Washington earthquakes

M2.5 earthquake 5 km SW of Darrington, Washington

A magnitude 2.5 earthquake struck 5 km SW of Darrington, Washington on Mon, Jul 23, 1973, 3:06 AM PDT (10:06 UTC), -1 km (0 mi) below the surface.

A larger quake followed: M2.8 2 km ENE of Lochsloy, Washington. This one was a foreshock.

Darrington 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
2.5 (md), micro
Local time
UTC
1973-07-23 10:06:25 UTC
Depth
-0.6 km (-0.4 mi), shallow
Epicenter
48.218° N, 121.650° 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 0.2 km horizontally, 0.1 km in depth
Magnitude uncertainty
±0.15
Depth from
Operator assigned
Station coverage gap
245°, poorly surrounded by stations
Stations used
9

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 37 in the 60 days after this one and 4 in the 30 days before it.

After

  1. 2.82 km ENE of Lochsloy, Washington · 19417 days ago · 43 km deep · 32 km away
  2. 2.12 km N of Burlington, Washington · 19415 days ago · 11 km deep · 59 km away
  3. 2.72 km SSE of Wilderness Rim, Washington · 19412 days ago · 15 km deep · 89 km away
  4. 1.511 km S of Darrington, Washington · 19404 days ago · 1 km deep · 9 km away
  5. 2.71 km NNE of Woods Creek, Washington · 19399 days ago · 12 km deep · 41 km away
  6. 1.90 km NW of Edmonds, Washington · 19392 days ago · 23 km deep · 71 km away
  7. 1.72 km NW of Ravensdale, Washington · 19391 days ago · 5 km deep · 98 km away
  8. 1.70 km E of Mill Creek East, Washington · 19386 days ago · 16 km deep · 58 km away
  9. 1.81 km ENE of Silver Firs, Washington · 19385 days ago · 23 km deep · 53 km away
  10. 1.61 km ESE of Clyde Hill, Washington · 19381 days ago · 25 km deep · 78 km away
  11. 1.66 km ESE of Bainbridge Island, Washington · 19380 days ago · -1 km deep · 91 km away
  12. 1.53 km W of Hunts Point, Washington · 19380 days ago · 2 km deep · 79 km away
  13. 1.54 km WSW of Seattle, Washington · 19380 days ago · -1 km deep · 89 km away
  14. 1.52 km W of Seattle, Washington · 19379 days ago · 1 km deep · 86 km away
  15. 1.90 km ENE of Seattle, Washington · 19379 days ago · 1 km deep · 84 km away
  16. 1.53 km NNW of Seattle, Washington · 19379 days ago · 0 km deep · 83 km away
  17. 2.012 km SE of Hamilton, Washington · 19378 days ago · -1 km deep · 30 km away
  18. 1.83 km NNE of Seattle, Washington · 19378 days ago · -1 km deep · 81 km away
  19. 2.02 km WNW of Seattle, Washington · 19378 days ago · -1 km deep · 86 km away
  20. 1.63 km WNW of Seattle, Washington · 19377 days ago · -1 km deep · 86 km away
  21. 2.311 km SW of Concrete, Washington · 19376 days ago · 0 km deep · 30 km away
  22. 3.727 km E of Darrington, Washington · 19376 days ago · 4 km deep · 31 km away
  23. 2.15 km ESE of Port Townsend, Washington · 19375 days ago · 59 km deep · 78 km away
  24. 1.95 km WSW of Seattle, Washington · 19375 days ago · 1 km deep · 90 km away
  25. 2.44 km NW of Swede Heaven, Washington · 19374 days ago · -1 km deep · 14 km away
  26. 2.80 km NNE of Enetai, Washington · 19372 days ago · 20 km deep · 99 km away
  27. 1.81 km SE of Enetai, Washington · 19372 days ago · 20 km deep · 100 km away
  28. 2.70 km ENE of Enetai, Washington · 19372 days ago · 20 km deep · 99 km away
  29. 1.91 km ESE of Enetai, Washington · 19372 days ago · 20 km deep · 99 km away
  30. 1.85 km ESE of Nooksack, Washington · 19369 days ago · 15 km deep · 88 km away
  31. 2.45 km ESE of Nooksack, Washington · 19369 days ago · 21 km deep · 89 km away
  32. 1.73 km ENE of Mirrormont, Washington · 19368 days ago · 23 km deep · 86 km away
  33. 1.55 km N of Marrowstone, Washington · 19366 days ago · 24 km deep · 77 km away
  34. 1.66 km WSW of Seattle, Washington · 19365 days ago · -1 km deep · 90 km away
  35. 2.41 km NE of Shoreline, Washington · 19364 days ago · 23 km deep · 71 km away
  36. 2.34 km SW of Geneva, Washington · 19363 days ago · 24 km deep · 81 km away
  37. 1.54 km SW of Seattle, Washington · 19362 days ago · 0 km deep · 89 km away

Before

  1. 1.64 km SW of Hansville, Washington · 19421 days ago · 18 km deep · 79 km away
  2. 2.65 km S of Sultan, Washington · 19421 days ago · 16 km deep · 46 km away
  3. 1.61 km E of Snoqualmie Pass, Washington · 19422 days ago · -1 km deep · 94 km away
  4. 1.72 km WSW of Medina, Washington · 19429 days ago · -1 km deep · 82 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10856613. Read Tue, Sep 22, 2026, 7:52 AM UTC.