Washington earthquakes

M1.8 earthquake 2 km ENE of Deming, Washington

A magnitude 1.8 earthquake struck 2 km ENE of Deming, Washington on Wed, Aug 1, 1990, 3:11 AM PDT (10:11 UTC), 1 km (1 mi) below the surface.

A larger quake followed: M2.6 27 km SE of Hope, Canada. 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
1990-08-01 10:11:22 UTC
Depth
1.2 km (0.8 mi), shallow
Epicenter
48.835° N, 122.179° 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 4.1 km horizontally, 9.4 km in depth
Magnitude uncertainty
±0.09
Depth from
Operator assigned
Station coverage gap
90°
Stations used
18

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 21 in the 60 days after this one and 10 in the 30 days before it.

After

  1. 2.627 km SE of Hope, Canada · 13210 days ago · 5 km deep · 86 km away
  2. 1.517 km NNW of Jamestown, Washington · 13209 days ago · 18 km deep · 95 km away
  3. 2.42 km SW of Ault Field, Washington · 13209 days ago · 21 km deep · 69 km away
  4. 1.821 km NNE of Mission, Canada · 13205 days ago · 8 km deep · 54 km away
  5. 1.54 km SSW of Kendall, Washington · 13204 days ago · 0 km deep · 5 km away
  6. 2.531 km NNW of Agassiz, Canada · 13201 days ago · -2 km deep · 76 km away
  7. 1.73 km E of Granite Falls, Washington · 13198 days ago · 0 km deep · 85 km away
  8. 1.87 km SSE of Darrington, Washington · 13198 days ago · 4 km deep · 85 km away
  9. 2.13 km ESE of Deming, Washington · 13197 days ago · 1 km deep · 2 km away
  10. 1.620 km NW of Orcas, Washington · 13196 days ago · 54 km deep · 69 km away
  11. 1.86 km NE of Deming, Washington · 13196 days ago · 13 km deep · 3 km away
  12. 1.65 km NE of Bryant, Washington · 13195 days ago · 11 km deep · 62 km away
  13. 1.75 km E of Deming, Washington · 13194 days ago · 4 km deep · 3 km away
  14. 2.00 km S of Sudden Valley, Washington · 13179 days ago · 15 km deep · 18 km away
  15. 2.46 km W of Lake Cavanaugh, Washington · 13177 days ago · 8 km deep · 58 km away
  16. 1.55 km ENE of Deming, Washington · 13176 days ago · 13 km deep · 3 km away
  17. 1.924 km NNW of Chilliwack, Canada · 13169 days ago · 2 km deep · 59 km away
  18. 2.117 km S of Glacier, Washington · 13165 days ago · -1 km deep · 21 km away
  19. 2.0Washington · 13163 days ago · -1 km deep · 22 km away
  20. 1.64 km NE of Ferndale, Washington · 13162 days ago · 14 km deep · 27 km away
  21. 1.75 km E of Deming, Washington · 13158 days ago · 13 km deep · 3 km away

Before

  1. 1.82 km ENE of Deming, Washington · 13211 days ago · 1 km deep · 0 km away
  2. 3.53 km E of Deming, Washington · 13211 days ago · 1 km deep · 1 km away
  3. 1.516 km N of Jamestown, Washington · 13218 days ago · 47 km deep · 93 km away
  4. 2.13 km ESE of Deming, Washington · 13219 days ago · 1 km deep · 3 km away
  5. 3.22 km ESE of Deming, Washington · 13226 days ago · 0 km deep · 2 km away
  6. 1.63 km NNE of Deming, Washington · 13234 days ago · 0 km deep · 2 km away
  7. 1.916 km SSE of Glacier, Washington · 13235 days ago · 18 km deep · 25 km away
  8. 2.51 km NE of Deming, Washington · 13238 days ago · 3 km deep · 1 km away
  9. 3.23 km NE of Deming, Washington · 13239 days ago · 0 km deep · 1 km away
  10. 1.78 km NW of Orcas, Washington · 13240 days ago · 24 km deep · 66 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10259798. Read Fri, Oct 2, 2026, 9:44 AM UTC.