Washington earthquakes

M1.8 earthquake 6 km NW of Orcas, Washington

A magnitude 1.8 earthquake struck 6 km NW of Orcas, Washington on Tue, Jun 26, 1990, 8:22 PM PDT (03:22 UTC), 15 km (10 mi) below the surface.

A larger quake followed: M3.5 3 km E of Deming, Washington. This one was a foreshock.

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Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
1.8 (Md, duration), micro
Magnitude from
Pacific Northwest Seismic Network
Local time
UTC
1990-06-27 03:22:51 UTC
Depth
15.3 km (9.5 mi), shallow
Epicenter
48.648° N, 122.998° 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, 0.6 km in depth
Magnitude uncertainty
±0.08
Depth from
From location
Station coverage gap
42°
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: 30 in the 60 days after this one and 13 in the 30 days before it.

After

  1. 1.78 km NW of Orcas, Washington · 13246 days ago · 23 km deep · 3 km away
  2. 2.32 km ESE of Deming, Washington · 13245 days ago · 1 km deep · 63 km away
  3. 1.51 km W of Kendall, Washington · 13244 days ago · 9 km deep · 68 km away
  4. 1.68 km NW of Orcas, Washington · 13244 days ago · 23 km deep · 3 km away
  5. 1.810 km NNE of Hamilton, Washington · 13243 days ago · -1 km deep · 76 km away
  6. 1.93 km E of Deming, Washington · 13241 days ago · 0 km deep · 63 km away
  7. 2.03 km ESE of Deming, Washington · 13241 days ago · 1 km deep · 64 km away
  8. 1.78 km NW of Orcas, Washington · 13240 days ago · 24 km deep · 3 km away
  9. 3.23 km NE of Deming, Washington · 13239 days ago · 0 km deep · 64 km away
  10. 2.51 km NE of Deming, Washington · 13238 days ago · 3 km deep · 62 km away
  11. 1.75 km N of Bangor Trident Base, Washington · 13237 days ago · 17 km deep · 100 km away
  12. 1.916 km SSE of Glacier, Washington · 13234 days ago · 18 km deep · 84 km away
  13. 1.63 km NNE of Deming, Washington · 13234 days ago · 0 km deep · 64 km away
  14. 3.22 km ESE of Deming, Washington · 13226 days ago · 0 km deep · 63 km away
  15. 2.13 km ESE of Deming, Washington · 13219 days ago · 1 km deep · 63 km away
  16. 1.516 km N of Jamestown, Washington · 13218 days ago · 47 km deep · 42 km away
  17. 3.53 km E of Deming, Washington · 13211 days ago · 1 km deep · 64 km away
  18. 1.82 km ENE of Deming, Washington · 13211 days ago · 1 km deep · 63 km away
  19. 1.82 km ENE of Deming, Washington · 13211 days ago · 1 km deep · 64 km away
  20. 1.517 km NNW of Jamestown, Washington · 13209 days ago · 18 km deep · 43 km away
  21. 2.42 km SW of Ault Field, Washington · 13208 days ago · 21 km deep · 43 km away
  22. 1.821 km NNE of Mission, Canada · 13205 days ago · 8 km deep · 93 km away
  23. 1.54 km SSW of Kendall, Washington · 13203 days ago · 0 km deep · 66 km away
  24. 1.58 km NW of Bangor Trident Base, Washington · 13199 days ago · 19 km deep · 97 km away
  25. 2.13 km ESE of Deming, Washington · 13197 days ago · 1 km deep · 63 km away
  26. 1.620 km NW of Orcas, Washington · 13196 days ago · 54 km deep · 14 km away
  27. 1.86 km NE of Deming, Washington · 13195 days ago · 13 km deep · 67 km away
  28. 1.65 km NE of Bryant, Washington · 13195 days ago · 11 km deep · 77 km away
  29. 1.75 km E of Deming, Washington · 13194 days ago · 4 km deep · 66 km away
  30. 1.83 km NNW of Kingston, Washington · 13193 days ago · 20 km deep · 98 km away

Before

  1. 1.56 km ENE of Hamilton, Washington · 13250 days ago · -1 km deep · 80 km away
  2. 1.61 km E of Deming, Washington · 13251 days ago · -1 km deep · 62 km away
  3. 2.13 km ENE of Deming, Washington · 13252 days ago · 5 km deep · 64 km away
  4. 1.75 km SE of Deming, Washington · 13252 days ago · -1 km deep · 63 km away
  5. 3.64 km ENE of Deming, Washington · 13252 days ago · 1 km deep · 65 km away
  6. 2.14 km SE of Glacier, Washington · 13252 days ago · 2 km deep · 84 km away
  7. 1.60 km NNE of Orcas, Washington · 13253 days ago · 31 km deep · 7 km away
  8. 1.62 km SSW of Big Lake, Washington · 13257 days ago · 16 km deep · 63 km away
  9. 2.32 km ENE of Camano, Washington · 13260 days ago · 23 km deep · 64 km away
  10. 1.9Washington · 13262 days ago · 2 km deep · 99 km away
  11. 2.21 km S of Big Lake, Washington · 13262 days ago · 15 km deep · 63 km away
  12. 1.82 km SSW of Clinton, Washington · 13265 days ago · 24 km deep · 90 km away
  13. 2.05 km E of Deming, Washington · 13266 days ago · 11 km deep · 65 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10264183. Read Fri, Oct 2, 2026, 1:45 AM UTC.