Washington earthquakes

M1.5 earthquake 12 km E of Acme, Washington

A magnitude 1.5 earthquake struck 12 km E of Acme, Washington on Tue, Feb 24, 1981, 11:10 AM PST (19:10 UTC), -1 km (-1 mi) below the surface.

A larger quake followed: M1.6 13 km NNE of Orcas, Washington. This one was a foreshock.

Sudden Valley forecastMore in Washington

Map

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

Open the live map with earthquakes

The earthquake

Magnitude
1.5 (md), micro
Local time
UTC
1981-02-24 19:10:35 UTC
Depth
-0.8 km (-0.5 mi), shallow
Epicenter
48.725° N, 122.036° 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 1.7 km horizontally, 1.0 km in depth
Magnitude uncertainty
±0.12
Depth from
Operator assigned
Station coverage gap
223°, poorly surrounded by stations
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: 25 in the 60 days after this one and 5 in the 30 days before it.

After

  1. 1.613 km NNE of Orcas, Washington · 16639 days ago · 9 km deep · 59 km away
  2. 2.012 km N of Concrete, Washington · 16638 days ago · -1 km deep · 24 km away
  3. 2.116 km SE of Oak Bay, Canada · 16634 days ago · 40 km deep · 95 km away
  4. 1.55 km ENE of Orcas, Washington · 16632 days ago · 16 km deep · 62 km away
  5. 1.615 km NNE of May Creek, Washington · 16628 days ago · 8 km deep · 90 km away
  6. 3.619 km NNE of Index, Washington · 16628 days ago · 5 km deep · 91 km away
  7. 1.518 km N of Index, Washington · 16628 days ago · 5 km deep · 91 km away
  8. 1.618 km NE of May Creek, Washington · 16628 days ago · 6 km deep · 90 km away
  9. 1.918 km N of Index, Washington · 16628 days ago · 5 km deep · 91 km away
  10. 1.56 km SE of Freeland, Washington · 16626 days ago · 50 km deep · 91 km away
  11. 2.313 km WNW of Orcas, Washington · 16626 days ago · 17 km deep · 79 km away
  12. 2.47 km SSE of Coupeville, Washington · 16618 days ago · 25 km deep · 78 km away
  13. 1.518 km NNE of Index, Washington · 16617 days ago · 2 km deep · 91 km away
  14. 2.24 km S of Coupeville, Washington · 16611 days ago · 25 km deep · 78 km away
  15. 1.9Washington · 16609 days ago · 2 km deep · 27 km away
  16. 1.7Washington · 16609 days ago · 4 km deep · 91 km away
  17. 1.68 km WNW of Alger, Washington · 16602 days ago · -1 km deep · 30 km away
  18. 1.69 km ESE of Salt Spring Island, Canada · 16601 days ago · 20 km deep · 98 km away
  19. 1.84 km SSW of Hamilton, Washington · 16598 days ago · 3 km deep · 27 km away
  20. 1.916 km NNE of May Creek, Washington · 16597 days ago · 7 km deep · 90 km away
  21. 1.711 km NNE of North Saanich, Canada · 16596 days ago · 14 km deep · 96 km away
  22. 2.122 km ENE of Glacier, Washington · 16594 days ago · -1 km deep · 38 km away
  23. 2.43 km ENE of Sedro-Woolley, Washington · 16594 days ago · 3 km deep · 26 km away
  24. 1.56 km SSE of Alger, Washington · 16593 days ago · 10 km deep · 27 km away
  25. 1.56 km NNE of Oso, Washington · 16587 days ago · 0 km deep · 46 km away

Before

  1. 1.911 km NNW of Swede Heaven, Washington · 16656 days ago · 9 km deep · 43 km away
  2. 1.55 km ESE of Oso, Washington · 16666 days ago · -1 km deep · 54 km away
  3. 1.93 km WSW of Big Lake, Washington · 16668 days ago · 15 km deep · 41 km away
  4. 1.514 km SE of Verlot, Washington · 16668 days ago · 8 km deep · 84 km away
  5. 1.57 km ENE of Lake McMurray, Washington · 16671 days ago · 0 km deep · 44 km away

Earthquakes todayWashington earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10112323. Read Wed, Sep 23, 2026, 4:22 AM UTC.