Washington earthquakes

M1.5 earthquake 5 km ENE of Deming, Washington

A magnitude 1.5 earthquake struck 5 km ENE of Deming, Washington on Wed, Sep 5, 1990, 4:25 AM PDT (11:25 UTC), 13 km (8 mi) below the surface.

A larger quake followed: M2.6 21 km ESE of Darrington, 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
1.5 (Md, duration), micro
Magnitude from
Pacific Northwest Seismic Network
Local time
UTC
1990-09-05 11:25:31 UTC
Depth
13.4 km (8.3 mi), shallow
Epicenter
48.839° N, 122.141° 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 0.9 km horizontally, 1.8 km in depth
Magnitude uncertainty
±0.08
Depth from
From location
Station coverage gap
125°
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: 7 in the 60 days after this one and 12 in the 30 days before it.

After

  1. 1.924 km NNW of Chilliwack, Canada · 13169 days ago · 2 km deep · 58 km away
  2. 2.117 km S of Glacier, Washington · 13164 days ago · -1 km deep · 19 km away
  3. 2.0Washington · 13163 days ago · -1 km deep · 20 km away
  4. 1.64 km NE of Ferndale, Washington · 13162 days ago · 14 km deep · 30 km away
  5. 1.75 km E of Deming, Washington · 13158 days ago · 13 km deep · 2 km away
  6. 2.621 km ESE of Darrington, Washington · 13148 days ago · 0 km deep · 92 km away
  7. 1.57 km N of Port Townsend, Washington · 13133 days ago · 25 km deep · 86 km away

Before

  1. 2.46 km W of Lake Cavanaugh, Washington · 13177 days ago · 8 km deep · 58 km away
  2. 2.00 km S of Sudden Valley, Washington · 13179 days ago · 15 km deep · 20 km away
  3. 1.75 km E of Deming, Washington · 13194 days ago · 4 km deep · 1 km away
  4. 1.65 km NE of Bryant, Washington · 13195 days ago · 11 km deep · 62 km away
  5. 1.86 km NE of Deming, Washington · 13196 days ago · 13 km deep · 2 km away
  6. 1.620 km NW of Orcas, Washington · 13196 days ago · 54 km deep · 71 km away
  7. 2.13 km ESE of Deming, Washington · 13197 days ago · 1 km deep · 3 km away
  8. 1.87 km SSE of Darrington, Washington · 13197 days ago · 4 km deep · 84 km away
  9. 1.73 km E of Granite Falls, Washington · 13197 days ago · 0 km deep · 85 km away
  10. 2.531 km NNW of Agassiz, Canada · 13201 days ago · -2 km deep · 75 km away
  11. 1.54 km SSW of Kendall, Washington · 13204 days ago · 0 km deep · 5 km away
  12. 1.821 km NNE of Mission, Canada · 13205 days ago · 8 km deep · 54 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10261128. Read Fri, Oct 2, 2026, 6:46 AM UTC.