Washington earthquakes

M2.6 earthquake 2 km W of Maple Valley, Washington

A magnitude 2.6 earthquake struck 2 km W of Maple Valley, Washington on Fri, Mar 22, 1991, 3:01 PM PST (23:01 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M3.0 10 km E of Ashford, 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
2.6 (Md, duration), micro
Magnitude from
Pacific Northwest Seismic Network
Local time
UTC
1991-03-22 23:01:29 UTC
Depth
5.5 km (3.4 mi), shallow
Epicenter
47.397° N, 122.081° 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, 2.4 km in depth
Magnitude uncertainty
±0.07
Depth from
Operator assigned
Station coverage gap
32°
Stations used
56

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 18 in the 60 days after this one and 13 in the 30 days before it.

After

  1. 1.82 km NW of Warm Beach, Washington · 12974 days ago · 0 km deep · 91 km away
  2. 1.722 km ENE of Ashford, Washington · 12969 days ago · -2 km deep · 66 km away
  3. 1.922 km ENE of Ashford, Washington · 12968 days ago · -2 km deep · 65 km away
  4. 1.62 km SW of Roosevelt, Washington · 12968 days ago · 16 km deep · 53 km away
  5. 2.05 km SSW of Clinton, Washington · 12964 days ago · 23 km deep · 64 km away
  6. 1.522 km ENE of Ashford, Washington · 12964 days ago · -1 km deep · 66 km away
  7. 2.013 km SSW of Alder, Washington · 12960 days ago · 16 km deep · 81 km away
  8. 1.520 km NNW of Packwood, Washington · 12959 days ago · -1 km deep · 73 km away
  9. 2.32 km SSW of West Lake Sammamish, Washington · 12957 days ago · 12 km deep · 18 km away
  10. 1.57 km W of Allyn, Washington · 12951 days ago · 14 km deep · 64 km away
  11. 2.47 km S of Longbranch, Washington · 12945 days ago · 22 km deep · 60 km away
  12. 1.514 km E of Wilkeson, Washington · 12936 days ago · 7 km deep · 37 km away
  13. 1.614 km E of Wilkeson, Washington · 12936 days ago · 7 km deep · 38 km away
  14. 2.01 km SSE of Normandy Park, WA · 12935 days ago · 13 km deep · 19 km away
  15. 1.52 km SE of Lake Roesiger, Washington · 12934 days ago · 17 km deep · 64 km away
  16. 1.52 km S of May Creek, Washington · 12931 days ago · 0 km deep · 57 km away
  17. 2.123 km NE of Ashford, Washington · 12928 days ago · -1 km deep · 59 km away
  18. 3.010 km E of Ashford, Washington · 12923 days ago · 10 km deep · 72 km away

Before

  1. 2.121 km SW of Easton, Washington · 12977 days ago · -1 km deep · 65 km away
  2. 1.91 km WNW of Maple Valley, Washington · 12979 days ago · 7 km deep · 1 km away
  3. 2.410 km SSE of Mineral, Washington · 12981 days ago · 15 km deep · 86 km away
  4. 2.71 km SE of Ames Lake, Washington · 12982 days ago · 22 km deep · 27 km away
  5. 2.63 km WSW of Fox Island, Washington · 12983 days ago · 49 km deep · 48 km away
  6. 2.10 km W of Normandy Park, Washington · 12985 days ago · 18 km deep · 21 km away
  7. 2.02 km WNW of Maple Valley, Washington · 12987 days ago · 3 km deep · 0 km away
  8. 1.54 km WSW of Erlands Point-Kitsap Lake, Washington · 12995 days ago · 17 km deep · 55 km away
  9. 2.53 km WSW of Erlands Point-Kitsap Lake, Washington · 12995 days ago · 17 km deep · 55 km away
  10. 1.810 km ENE of Ashford, Washington · 12997 days ago · -1 km deep · 69 km away
  11. 1.53 km WSW of North Bend, Washington · 12999 days ago · 19 km deep · 21 km away
  12. 1.72 km SE of Ames Lake, Washington · 13000 days ago · 21 km deep · 27 km away
  13. 2.610 km SSE of Mineral, Washington · 13004 days ago · 14 km deep · 86 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10273078. Read Thu, Oct 1, 2026, 11:22 PM UTC.