Washington earthquakes

M1.5 earthquake 4 km SW of Darrington, Washington

A magnitude 1.5 earthquake struck 4 km SW of Darrington, Washington on Sat, Apr 28, 1990, 9:26 PM PDT (04:26 UTC), 4 km (3 mi) below the surface.

A larger quake followed: M3.6 1 km E of Deming, 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
1.5 (Md, duration), micro
Magnitude from
Pacific Northwest Seismic Network
Local time
UTC
1990-04-29 04:26:06 UTC
Depth
4.5 km (2.8 mi), shallow
Epicenter
48.228° N, 121.647° 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 1.5 km horizontally, 12.7 km in depth
Magnitude uncertainty
±0.07
Depth from
Operator assigned
Station coverage gap
158°
Stations used
11

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 32 in the 60 days after this one and 91 in the 30 days before it.

After

  1. 1.82 km N of Kingston, Washington · 13303 days ago · 21 km deep · 78 km away
  2. 2.24 km ENE of Deming, Washington · 13302 days ago · 1 km deep · 78 km away
  3. 1.52 km WSW of Peaceful Valley, Washington · 13301 days ago · 8 km deep · 87 km away
  4. 1.72 km ESE of Deming, Washington · 13296 days ago · 6 km deep · 77 km away
  5. 2.23 km WNW of Lyman, Washington · 13294 days ago · 0 km deep · 48 km away
  6. 1.64 km E of Deming, Washington · 13293 days ago · 2 km deep · 77 km away
  7. 1.54 km ESE of Deming, Washington · 13290 days ago · -1 km deep · 75 km away
  8. 1.55 km ESE of Deming, Washington · 13289 days ago · -1 km deep · 74 km away
  9. 1.9Washington · 13289 days ago · -1 km deep · 75 km away
  10. 1.94 km NNE of Woods Creek, Washington · 13288 days ago · 15 km deep · 38 km away
  11. 1.73 km ESE of Hamilton, Washington · 13287 days ago · -1 km deep · 38 km away
  12. 2.61 km E of Deming, Washington · 13286 days ago · 3 km deep · 78 km away
  13. 2.55 km E of Deming, Washington · 13285 days ago · 4 km deep · 76 km away
  14. 2.5Washington · 13285 days ago · 1 km deep · 77 km away
  15. 1.62 km ENE of Deming, Washington · 13282 days ago · 1 km deep · 78 km away
  16. 3.61 km E of Deming, Washington · 13281 days ago · 1 km deep · 78 km away
  17. 1.74 km E of Deming, Washington · 13278 days ago · -1 km deep · 76 km away
  18. 2.05 km E of Deming, Washington · 13266 days ago · 11 km deep · 76 km away
  19. 1.82 km SSW of Clinton, Washington · 13265 days ago · 24 km deep · 62 km away
  20. 2.21 km S of Big Lake, Washington · 13262 days ago · 15 km deep · 47 km away
  21. 1.9Washington · 13262 days ago · 2 km deep · 11 km away
  22. 2.32 km ENE of Camano, Washington · 13260 days ago · 23 km deep · 64 km away
  23. 1.813 km WSW of Winthrop, Washington · 13258 days ago · -1 km deep · 98 km away
  24. 1.62 km SSW of Big Lake, Washington · 13257 days ago · 16 km deep · 48 km away
  25. 1.70 km ESE of Mercer Island, Washington · 13255 days ago · 20 km deep · 85 km away
  26. 1.74 km ENE of Lake Marcel-Stillwater, Washington · 13255 days ago · 18 km deep · 60 km away
  27. 2.14 km SE of Glacier, Washington · 13252 days ago · 2 km deep · 73 km away
  28. 3.64 km ENE of Deming, Washington · 13252 days ago · 1 km deep · 77 km away
  29. 1.75 km SE of Deming, Washington · 13252 days ago · -1 km deep · 74 km away
  30. 2.13 km ENE of Deming, Washington · 13252 days ago · 5 km deep · 78 km away
  31. 1.61 km E of Deming, Washington · 13251 days ago · -1 km deep · 78 km away
  32. 1.56 km ENE of Hamilton, Washington · 13250 days ago · -1 km deep · 41 km away

Before

  1. 1.87 km ENE of Verlot, Washington · 13305 days ago · 11 km deep · 14 km away
  2. 3.12 km ESE of Deming, Washington · 13308 days ago · 1 km deep · 77 km away
  3. 1.91 km WSW of Big Lake, Washington · 13309 days ago · -1 km deep · 49 km away
  4. 1.76 km SSW of Hansville, Washington · 13310 days ago · 18 km deep · 81 km away
  5. 2.56 km NE of Deming, Washington · 13311 days ago · 11 km deep · 79 km away
  6. 1.73 km ENE of Deming, Washington · 13311 days ago · 14 km deep · 78 km away
  7. 2.13 km SW of Swede Heaven, Washington · 13311 days ago · 3 km deep · 10 km away
  8. 2.93 km WSW of Swede Heaven, Washington · 13311 days ago · 3 km deep · 10 km away
  9. 2.412 km N of Maple Falls, Washington · 13312 days ago · 8 km deep · 95 km away
  10. 3.34 km E of Deming, Washington · 13313 days ago · 3 km deep · 77 km away
  11. 1.53 km ENE of Deming, Washington · 13313 days ago · -1 km deep · 78 km away
  12. 1.76 km ENE of Verlot, Washington · 13313 days ago · 15 km deep · 13 km away
  13. 1.85 km NE of Deming, Washington · 13313 days ago · -1 km deep · 80 km away
  14. 1.73 km E of Deming, Washington · 13314 days ago · 0 km deep · 77 km away
  15. 1.54 km SE of Deming, Washington · 13314 days ago · -1 km deep · 74 km away
  16. 2.13 km NE of Deming, Washington · 13315 days ago · 4 km deep · 79 km away
  17. 1.75 km NE of Deming, Washington · 13315 days ago · 0 km deep · 80 km away
  18. 2.13 km SE of Deming, Washington · 13315 days ago · -1 km deep · 75 km away
  19. 1.72 km ESE of Deming, Washington · 13315 days ago · -1 km deep · 76 km away
  20. 2.15 km NE of Deming, Washington · 13316 days ago · 14 km deep · 80 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10263298. Read Fri, Oct 2, 2026, 1:48 AM UTC.