Washington earthquakes

M2.1 earthquake 1 km E of Algona, Washington

A magnitude 2.1 earthquake struck 1 km E of Algona, Washington on Tue, May 12, 1987, 12:08 PM PDT (19:08 UTC), 12 km (7 mi) below the surface.

A larger quake followed: M2.7 2 km E of Edmonds, Washington. This one was a foreshock.

Algona forecastMore in Washington

Map

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

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The earthquake

Magnitude
2.1 (md), micro
Local time
UTC
1987-05-12 19:08:18 UTC
Depth
11.6 km (7.2 mi), shallow
Epicenter
47.278° N, 122.234° 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, 99.9 km in depth
Magnitude uncertainty
±0.09
Depth from
Operator assigned
Station coverage gap
44°
Stations used
41

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 13 in the 60 days after this one and 4 in the 30 days before it.

After

  1. 1.77 km ENE of Mossyrock, Washington · 14375 days ago · 22 km deep · 81 km away
  2. 1.54 km W of Chico, Washington · 14366 days ago · 21 km deep · 55 km away
  3. 2.13 km SSW of Clinton, Washington · 14364 days ago · 28 km deep · 75 km away
  4. 1.76 km W of Burley, Washington · 14363 days ago · 23 km deep · 39 km away
  5. 2.03 km NNW of Ravensdale, Washington · 14357 days ago · 6 km deep · 22 km away
  6. 2.06 km NE of Duvall, Washington · 14349 days ago · 20 km deep · 60 km away
  7. 2.49 km W of Gorst, Washington · 14347 days ago · 18 km deep · 53 km away
  8. 2.32 km W of Wilderness Rim, Washington · 14344 days ago · 21 km deep · 37 km away
  9. 2.72 km E of Edmonds, Washington · 14339 days ago · 15 km deep · 60 km away
  10. 1.911 km SSW of Port Hadlock-Irondale, Washington · 14336 days ago · 50 km deep · 86 km away
  11. 1.58 km ENE of Hoodsport, Washington · 14334 days ago · 13 km deep · 62 km away
  12. 1.92 km WNW of City of Sammamish, Washington · 14332 days ago · 0 km deep · 40 km away
  13. 1.823 km ENE of Ashford, Washington · 14331 days ago · 2 km deep · 59 km away

Before

  1. 2.83 km W of Chico, Washington · 14398 days ago · 20 km deep · 54 km away
  2. 1.619 km N of Packwood, Washington · 14404 days ago · 6 km deep · 72 km away
  3. 1.61 km NNW of Fall City, Washington · 14406 days ago · 8 km deep · 42 km away
  4. 2.51 km NE of Riverton, Washington · 14411 days ago · 23 km deep · 24 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10219543. Read Mon, Sep 28, 2026, 2:23 PM UTC.