Washington earthquakes

M2.2 earthquake 11 km S of Greenwater, Washington

A magnitude 2.2 earthquake struck 11 km S of Greenwater, Washington on Mon, Oct 25, 1976, 3:42 PM PDT (22:42 UTC), 4 km (2 mi) below the surface.

A larger quake followed: M3.1 22 km ENE 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
2.2 (md), micro
Local time
UTC
1976-10-25 22:42:33 UTC
Depth
3.9 km (2.4 mi), shallow
Epicenter
47.056° N, 121.667° 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 3.3 km horizontally, 2.5 km in depth
Magnitude uncertainty
±0.07
Depth from
From location
Station coverage gap
233°, poorly surrounded by stations
Stations used
7

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 14 in the 30 days before it.

After

  1. 1.86 km SSW of Southworth, Washington · 18218 days ago · 23 km deep · 80 km away
  2. 3.122 km ENE of Ashford, Washington · 18212 days ago · -1 km deep · 23 km away
  3. 2.924 km ENE of Ashford, Washington · 18212 days ago · 4 km deep · 22 km away
  4. 1.61 km ENE of Riverton, Washington · 18207 days ago · 23 km deep · 67 km away
  5. 1.513 km WSW of Alder, Washington · 18205 days ago · -1 km deep · 69 km away
  6. 2.416 km SE of Skykomish, Washington · 18199 days ago · 6 km deep · 71 km away
  7. 1.79 km ENE of Fall City, Washington · 18198 days ago · 18 km deep · 63 km away
  8. 1.51 km NNW of Kenmore, Washington · 18189 days ago · 56 km deep · 91 km away
  9. 1.60 km E of Clyde Hill, Washington · 18184 days ago · 24 km deep · 76 km away
  10. 1.69 km WSW of Mineral, Washington · 18177 days ago · 17 km deep · 63 km away
  11. 1.84 km NNW of Dash Point, Washington · 18175 days ago · 6 km deep · 68 km away
  12. 1.65 km WNW of Wauna, Washington · 18174 days ago · 19 km deep · 87 km away
  13. 1.62 km W of Wilderness Rim, Washington · 18173 days ago · 10 km deep · 44 km away

Before

  1. 1.96 km N of Packwood, Washington · 18230 days ago · 1 km deep · 44 km away
  2. 1.84 km S of Orting, Washington · 18234 days ago · -1 km deep · 42 km away
  3. 1.91 km W of Hobart, Washington · 18234 days ago · 18 km deep · 47 km away
  4. 1.97 km ENE of Hobart, Washington · 18234 days ago · 22 km deep · 47 km away
  5. 2.42 km NE of Maple Valley, Washington · 18236 days ago · 13 km deep · 48 km away
  6. 2.113 km WSW of Mineral, Washington · 18240 days ago · 16 km deep · 67 km away
  7. 4.014 km NNW of Morton, Washington · 18240 days ago · 16 km deep · 68 km away
  8. 1.77 km NNE of North Bend, Washington · 18241 days ago · 15 km deep · 55 km away
  9. 2.05 km NNW of Onalaska, Washington · 18242 days ago · 42 km deep · 96 km away
  10. 2.014 km NNW of Morton, Washington · 18244 days ago · 11 km deep · 68 km away
  11. 1.75 km ENE of Belfair, Washington · 18245 days ago · 19 km deep · 94 km away
  12. 1.73 km NW of Snoqualmie Pass, Washington · 18246 days ago · 0 km deep · 44 km away
  13. 2.417 km NE of Ashford, Washington · 18250 days ago · 14 km deep · 26 km away
  14. 1.6Washington · 18251 days ago · 13 km deep · 44 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10842433. Read Tue, Sep 22, 2026, 12:20 PM UTC.