Washington earthquakes

M1.9 earthquake 6 km ENE of Deming, Washington

A magnitude 1.9 earthquake struck 6 km ENE of Deming, Washington on Tue, Apr 23, 1985, 7:05 AM PST (15:05 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M3.0 4 km SSW of Big Lake, 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
1.9 (md), micro
Local time
UTC
1985-04-23 15:05:54 UTC
Depth
9.8 km (6.1 mi), shallow
Epicenter
48.838° N, 122.124° 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 1.1 km horizontally, 2.9 km in depth
Magnitude uncertainty
±0.19
Depth from
From location
Station coverage gap
105°
Stations used
21

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 19 in the 60 days after this one and 8 in the 30 days before it.

After

  1. 1.74 km SSW of Big Lake, Washington · 15125 days ago · 13 km deep · 53 km away
  2. 3.04 km SSW of Big Lake, Washington · 15125 days ago · 17 km deep · 54 km away
  3. 1.94 km SSW of Big Lake, Washington · 15121 days ago · 18 km deep · 54 km away
  4. 3.35 km SSW of Big Lake, Washington · 15121 days ago · 17 km deep · 54 km away
  5. 2.45 km SSW of Big Lake, Washington · 15121 days ago · 17 km deep · 54 km away
  6. 2.04 km NNW of Lake McMurray, Washington · 15121 days ago · 17 km deep · 55 km away
  7. 1.97 km E of Deming, Washington · 15114 days ago · 9 km deep · 0 km away
  8. 1.55 km E of Deming, Washington · 15114 days ago · 5 km deep · 1 km away
  9. 1.86 km S of Kendall, Washington · 15112 days ago · 3 km deep · 2 km away
  10. 2.25 km ENE of Deming, Washington · 15112 days ago · 0 km deep · 2 km away
  11. 2.614 km E of North Saanich, Canada · 15107 days ago · 21 km deep · 82 km away
  12. 1.88 km E of Deming, Washington · 15106 days ago · 14 km deep · 1 km away
  13. 1.54 km S of Big Lake, Washington · 15094 days ago · 15 km deep · 54 km away
  14. 1.6Washington · 15094 days ago · 14 km deep · 54 km away
  15. 1.54 km WSW of Richmond, Canada · 15090 days ago · 57 km deep · 86 km away
  16. 2.16 km NE of Lake Roesiger, Washington · 15085 days ago · 14 km deep · 92 km away
  17. 2.13 km SE of Lake Roesiger, Washington · 15081 days ago · 18 km deep · 99 km away
  18. 2.26 km SSE of Kendall, Washington · 15078 days ago · 12 km deep · 3 km away
  19. 1.64 km ENE of Granite Falls, Washington · 15075 days ago · -1 km deep · 84 km away

Before

  1. 1.66 km SSW of Acme, Washington · 15130 days ago · -1 km deep · 21 km away
  2. 1.816 km ESE of Verlot, Washington · 15131 days ago · 4 km deep · 98 km away
  3. 2.55 km E of Deming, Washington · 15134 days ago · 3 km deep · 1 km away
  4. 1.711 km SSE of Point Roberts, Washington · 15141 days ago · 56 km deep · 64 km away
  5. 1.70 km NW of Lake Roesiger, Washington · 15144 days ago · 13 km deep · 95 km away
  6. 2.53 km SE of Swede Heaven, Washington · 15147 days ago · 0 km deep · 71 km away
  7. 3.36 km WSW of Lake Cavanaugh, Washington · 15151 days ago · 11 km deep · 59 km away
  8. 2.01 km SSE of Swede Heaven, Washington · 15153 days ago · 1 km deep · 69 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10188693. Read Wed, Sep 23, 2026, 4:24 AM UTC.