Washington earthquakes

M2.1 earthquake Washington

A magnitude 2.1 earthquake struck in Washington on Thu, Apr 7, 1977, 3:04 AM PST (11:04 UTC), 17 km (11 mi) below the surface.

A larger quake followed: M2.3 3 km ENE of Enetai, Washington. This one was a foreshock.

Wilderness Rim 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
1977-04-07 11:04:21 UTC
Depth
17.1 km (10.6 mi), shallow
Epicenter
47.387° N, 121.806° 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 0.7 km horizontally, 1.3 km in depth
Magnitude uncertainty
±0.12
Depth from
From location
Station coverage gap
165°
Stations used
8

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 19 in the 60 days after this one and 22 in the 30 days before it.

After

  1. 1.94 km NE of Bonney Lake, Washington · 18062 days ago · 24 km deep · 33 km away
  2. 2.04 km N of White Center, Washington · 18061 days ago · 2 km deep · 45 km away
  3. 1.82 km NNE of Quilcene, Washington · 18059 days ago · 16 km deep · 94 km away
  4. 2.12 km E of Dash Point, Washington · 18055 days ago · 12 km deep · 45 km away
  5. 1.74 km WSW of White Center, Washington · 18054 days ago · 21 km deep · 47 km away
  6. 1.92 km ESE of Dash Point, Washington · 18054 days ago · 12 km deep · 45 km away
  7. 1.87 km SE of Enumclaw, Washington · 18045 days ago · 19 km deep · 27 km away
  8. 1.60 km W of Port Ludlow, Washington · 18045 days ago · -1 km deep · 89 km away
  9. 1.910 km SSW of Seabeck, Washington · 18042 days ago · 16 km deep · 82 km away
  10. 2.00 km NW of North Puyallup, Washington · 18041 days ago · 15 km deep · 41 km away
  11. 2.33 km ENE of Enetai, Washington · 18037 days ago · 11 km deep · 61 km away
  12. 3.05 km S of Quilcene, Washington · 18035 days ago · 45 km deep · 90 km away
  13. 2.218 km NNE of Ashford, Washington · 18026 days ago · 8 km deep · 53 km away
  14. 2.24 km E of Cathcart, Washington · 18026 days ago · 3 km deep · 55 km away
  15. 2.33 km WSW of Wilderness Rim, Washington · 18019 days ago · 18 km deep · 5 km away
  16. 2.27 km NW of Kingston, Washington · 18014 days ago · 44 km deep · 76 km away
  17. 2.15 km SW of Gorst, Washington · 18011 days ago · 20 km deep · 72 km away
  18. 1.91 km SW of White Center, Washington · 18010 days ago · 24 km deep · 45 km away
  19. 1.94 km WNW of Wilderness Rim, Washington · 18009 days ago · 23 km deep · 8 km away

Before

  1. 2.2Washington · 18067 days ago · 19 km deep · 9 km away
  2. 2.42 km NNE of Bonney Lake, Washington · 18069 days ago · 18 km deep · 35 km away
  3. 2.24 km ENE of Bonney Lake, WA · 18071 days ago · 24 km deep · 33 km away
  4. 1.611 km NE of Snoqualmie, Washington · 18071 days ago · 13 km deep · 25 km away
  5. 2.01 km SSW of Suquamish, Washington · 18073 days ago · 5 km deep · 67 km away
  6. 2.02 km SSW of Bonney Lake, Washington · 18078 days ago · 25 km deep · 39 km away
  7. 2.82 km N of Bonney Lake, Washington · 18078 days ago · 13 km deep · 35 km away
  8. 2.33 km NNE of Bonney Lake, Washington · 18078 days ago · 8 km deep · 34 km away
  9. 2.22 km S of Lake Roesiger, Washington · 18078 days ago · 8 km deep · 64 km away
  10. 1.9Puget Sound region, Washington · 18081 days ago · 25 km deep · 18 km away
  11. 1.78 km NNE of Lake Marcel-Stillwater, Washington · 18082 days ago · 12 km deep · 41 km away
  12. 2.12 km SSE of Dash Point, Washington · 18083 days ago · 14 km deep · 47 km away
  13. 2.316 km SE of Carbonado, Washington · 18086 days ago · 16 km deep · 46 km away
  14. 1.65 km WNW of White Center, Washington · 18087 days ago · 21 km deep · 50 km away
  15. 2.12 km ESE of Issaquah, Washington · 18088 days ago · 31 km deep · 21 km away
  16. 2.1Puget Sound region, Washington · 18089 days ago · 64 km deep · 25 km away
  17. 2.24 km N of Woods Creek, Washington · 18090 days ago · 9 km deep · 60 km away
  18. 1.76 km SSE of Wilderness Rim, Washington · 18090 days ago · 26 km deep · 5 km away
  19. 2.26 km E of Hobart, Washington · 18090 days ago · 13 km deep · 7 km away
  20. 2.1Washington · 18091 days ago · 9 km deep · 16 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10843478. Read Wed, Sep 23, 2026, 5:41 PM UTC.