Washington earthquakes

M1.5 earthquake 2 km SE of Acme, Washington

A magnitude 1.5 earthquake struck 2 km SE of Acme, Washington on Sun, Aug 18, 1985, 6:21 PM PDT (01:21 UTC), -1 km (-1 mi) below the surface.

A larger quake followed: M2.5 2 km ENE of Acme, 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), micro
Local time
UTC
1985-08-19 01:21:15 UTC
Depth
-1.0 km (-0.6 mi), shallow
Epicenter
48.702° N, 122.175° 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 1.2 km horizontally, 2.9 km in depth
Magnitude uncertainty
±0.10
Depth from
Operator assigned
Station coverage gap
158°
Stations used
5

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 20 in the 60 days after this one and 11 in the 30 days before it.

After

  1. 2.52 km ENE of Acme, Washington · 15009 days ago · 15 km deep · 3 km away
  2. 1.60 km ENE of Acme, Washington · 15009 days ago · 6 km deep · 3 km away
  3. 1.52 km ENE of Acme, Washington · 15008 days ago · 11 km deep · 3 km away
  4. 1.62 km NE of Acme, Washington · 15008 days ago · 8 km deep · 3 km away
  5. 1.61 km NNE of Hope, Canada · 15004 days ago · -2 km deep · 94 km away
  6. 1.63 km SE of Acme, Washington · 15003 days ago · -1 km deep · 1 km away
  7. 1.55 km SSE of Edison, Washington · 15002 days ago · 15 km deep · 28 km away
  8. 1.81 km NNE of Port Townsend, Washington · 14997 days ago · 20 km deep · 77 km away
  9. 1.73 km NE of Acme, Washington · 14995 days ago · 13 km deep · 4 km away
  10. 2.34 km ENE of Acme, Washington · 14995 days ago · 17 km deep · 4 km away
  11. 2.30 km ENE of Acme, Washington · 14995 days ago · -1 km deep · 2 km away
  12. 2.13 km ENE of Acme, Washington · 14995 days ago · 12 km deep · 3 km away
  13. 2.03 km ENE of Acme, Washington · 14993 days ago · 14 km deep · 3 km away
  14. 2.21 km SSW of Mount Vernon, Washington · 14980 days ago · 16 km deep · 35 km away
  15. 1.51 km NNW of Freeland, Washington · 14977 days ago · 18 km deep · 80 km away
  16. 1.53 km S of Monroe, Washington · 14972 days ago · -1 km deep · 99 km away
  17. 1.516 km SE of Darrington, Washington · 14971 days ago · 9 km deep · 82 km away
  18. 1.6Washington · 14969 days ago · 27 km deep · 47 km away
  19. 1.83 km SSW of Swede Heaven, Washington · 14968 days ago · 2 km deep · 58 km away
  20. 1.94 km E of Granite Falls, Washington · 14953 days ago · -1 km deep · 71 km away

Before

  1. 1.90 km ENE of Acme, Washington · 15009 days ago · 15 km deep · 2 km away
  2. 1.61 km NW of Lake Roesiger, Washington · 15010 days ago · 12 km deep · 81 km away
  3. 2.13 km SW of Everson, Washington · 15020 days ago · 14 km deep · 26 km away
  4. 1.54 km SW of Swede Heaven, Washington · 15022 days ago · 4 km deep · 58 km away
  5. 1.64 km WSW of Monroe, Washington · 15026 days ago · -1 km deep · 97 km away
  6. 2.33 km SW of Swede Heaven, Washington · 15027 days ago · 2 km deep · 58 km away
  7. 1.84 km SSW of Swede Heaven, Washington · 15027 days ago · 2 km deep · 60 km away
  8. 1.74 km SSW of Swede Heaven, Washington · 15028 days ago · 0 km deep · 59 km away
  9. 3.36 km S of Oak Bay, Canada · 15029 days ago · 18 km deep · 89 km away
  10. 2.03 km E of Granite Falls, Washington · 15029 days ago · -1 km deep · 71 km away
  11. 3.23 km SW of Swede Heaven, Washington · 15029 days ago · 2 km deep · 58 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10194778. Read Tue, Sep 22, 2026, 7:57 AM UTC.