Washington earthquakes

M1.7 earthquake 2 km NE of Monroe, Washington

A magnitude 1.7 earthquake struck 2 km NE of Monroe, Washington on Fri, Nov 21, 1975, 10:30 PM PST (06:30 UTC), 21 km (13 mi) below the surface.

A larger quake followed: M3.3 3 km SE of Bethel, Washington. This one was a foreshock.

Monroe 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
1.7 (md), micro
Local time
UTC
1975-11-22 06:30:17 UTC
Depth
21.4 km (13.3 mi), shallow
Epicenter
47.871° N, 121.942° 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 1.6 km horizontally, 1.7 km in depth
Magnitude uncertainty
±0.20
Depth from
From location
Station coverage gap
118°
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: 29 in the 60 days after this one and 10 in the 30 days before it.

After

  1. 1.96 km ESE of Maplewood, Washington · 18572 days ago · 16 km deep · 68 km away
  2. 1.94 km SW of Snoqualmie, Washington · 18572 days ago · 15 km deep · 41 km away
  3. 1.71 km NE of Lake Marcel-Stillwater, Washington · 18569 days ago · 26 km deep · 19 km away
  4. 2.06 km N of Kingston, Washington · 18567 days ago · 10 km deep · 40 km away
  5. 1.88 km NNW of Camano, Washington · 18567 days ago · 27 km deep · 62 km away
  6. 2.11 km WSW of Gig Harbor, Washington · 18566 days ago · 33 km deep · 79 km away
  7. 2.23 km E of Lake Roesiger, Washington · 18559 days ago · 8 km deep · 13 km away
  8. 2.05 km NNW of Bainbridge Island, Washington · 18558 days ago · 19 km deep · 51 km away
  9. 1.72 km SSW of Kirkland, Washington · 18558 days ago · 11 km deep · 31 km away
  10. 1.72 km SSW of Union Hill-Novelty Hill, Washington · 18554 days ago · 2 km deep · 24 km away
  11. 1.82 km NNW of Manchester, Washington · 18550 days ago · 16 km deep · 56 km away
  12. 1.84 km SSW of Fall City, Washington · 18547 days ago · 14 km deep · 38 km away
  13. 1.52 km WNW of North Bend, Washington · 18547 days ago · -1 km deep · 42 km away
  14. 1.81 km W of Bryn Mawr-Skyway, Washington · 18541 days ago · 22 km deep · 48 km away
  15. 1.61 km ESE of Ravensdale, Washington · 18539 days ago · 18 km deep · 58 km away
  16. 2.41 km SE of Esperance, Washington · 18535 days ago · 22 km deep · 31 km away
  17. 2.55 km E of Longbranch, Washington · 18534 days ago · 41 km deep · 92 km away
  18. 1.92 km S of Ravensdale, Washington · 18532 days ago · 18 km deep · 60 km away
  19. 1.61 km WSW of Roosevelt, Washington · 18530 days ago · 14 km deep · 7 km away
  20. 1.92 km SE of Shoreline, Washington · 18530 days ago · 18 km deep · 31 km away
  21. 2.11 km NNE of Bellevue, Washington · 18529 days ago · 26 km deep · 33 km away
  22. 3.33 km SE of Bethel, Washington · 18528 days ago · 42 km deep · 66 km away
  23. 1.815 km ESE of Verlot, Washington · 18527 days ago · 6 km deep · 33 km away
  24. 1.62 km SW of Poulsbo, Washington · 18526 days ago · 16 km deep · 57 km away
  25. 1.714 km SE of Verlot, Washington · 18526 days ago · 3 km deep · 29 km away
  26. 2.311 km SE of Blyn, Washington · 18526 days ago · 48 km deep · 72 km away
  27. 2.45 km SW of Lake Cavanaugh, Washington · 18522 days ago · 9 km deep · 49 km away
  28. 2.16 km WSW of Lake Cavanaugh, Washington · 18522 days ago · 4 km deep · 49 km away
  29. 1.93 km WSW of Anacortes, Washington · 18515 days ago · 13 km deep · 88 km away

Before

  1. 1.69 km NE of Tanner, Washington · 18574 days ago · 18 km deep · 43 km away
  2. 1.72 km WSW of Monroe, Washington · 18574 days ago · -1 km deep · 5 km away
  3. 1.814 km ESE of Verlot, Washington · 18574 days ago · 8 km deep · 31 km away
  4. 1.52 km SW of Burley, Washington · 18577 days ago · 19 km deep · 75 km away
  5. 2.11 km ENE of Lake Marcel-Stillwater, Washington · 18579 days ago · 6 km deep · 19 km away
  6. 2.52 km NNE of Riverton, Washington · 18581 days ago · 27 km deep · 48 km away
  7. 1.62 km SSE of Hansville, Washington · 18583 days ago · 1 km deep · 45 km away
  8. 2.93 km SSE of Lake Roesiger, Washington · 18589 days ago · 17 km deep · 10 km away
  9. 1.53 km NNE of Verlot, Washington · 18593 days ago · 12 km deep · 31 km away
  10. 2.513 km W of Ault Field, Washington · 18593 days ago · 51 km deep · 85 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10862238. Read Sun, Sep 27, 2026, 6:02 PM UTC.