Washington earthquakes

M3.4 earthquake 3 km ESE of Longbranch, Washington

A magnitude 3.4 earthquake struck 3 km ESE of Longbranch, Washington on Thu, Mar 1, 2001, 1:10 AM PST (09:10 UTC), 54 km (34 mi) below the surface.

Longbranch 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
3.4 (md), minor
Local time
UTC
2001-03-01 09:10:20 UTC
Depth
54.2 km (33.7 mi), shallow
Epicenter
47.197° N, 122.713° W
Strongest shaking
III, weak shaking
Tsunami flag
No
Status
Reviewed by a seismologist

Shaking

The USGS ShakeMap: shaking estimated from seismic stations and the quake’s size, on the Modified Mercalli intensity scale.

Strongest estimated
III, weak shaking
Map
Automatic
USGS ShakeMap: estimated shaking intensity around the epicenter
Estimated shaking intensity. Map: USGS ShakeMap.

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 0.6 km horizontally, 1.0 km in depth
Magnitude uncertainty
±0.05
Depth from
From location
Station coverage gap
31°
Stations used
74

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 40 in the 60 days after this one and 13 in the 30 days before it.

After

  1. 2.73 km SSE of Longbranch, Washington · 9344 days ago · 51 km deep · 2 km away
  2. 1.92 km SE of Ravensdale, Washington · 9343 days ago · 21 km deep · 58 km away
  3. 1.57 km NE of Snoqualmie, Washington · 9342 days ago · 16 km deep · 84 km away
  4. 1.72 km WNW of Hat Island, Washington · 9340 days ago · 54 km deep · 96 km away
  5. 2.22 km SE of Ravensdale, Washington · 9339 days ago · 22 km deep · 59 km away
  6. 1.66 km SW of Wilderness Rim, Washington · 9338 days ago · 17 km deep · 70 km away
  7. 1.67 km SSE of Monroe, Washington · 9336 days ago · 16 km deep · 89 km away
  8. 2.50 km S of Maple Valley, Washington · 9335 days ago · 12 km deep · 55 km away
  9. 1.73 km NNE of Belfair, Washington · 9335 days ago · 19 km deep · 32 km away
  10. 2.94 km NNW of Fall City, Washington · 9334 days ago · 21 km deep · 75 km away
  11. 2.01 km WSW of Medina, Washington · 9333 days ago · 3 km deep · 59 km away
  12. 1.68 km ENE of Duvall, Washington · 9333 days ago · 6 km deep · 89 km away
  13. 1.92 km SW of Suquamish, Washington · 9333 days ago · 20 km deep · 59 km away
  14. 2.21 km ESE of West Lake Sammamish, Washington · 9329 days ago · 18 km deep · 63 km away
  15. 1.912 km SSE of Morton, Washington · 9320 days ago · 1 km deep · 91 km away
  16. 1.5Puget Sound region, Washington · 9320 days ago · 21 km deep · 71 km away
  17. 1.725 km ENE of Ashford, Washington · 9314 days ago · -2 km deep · 83 km away
  18. 1.623 km ENE of Ashford, Washington · 9313 days ago · -2 km deep · 81 km away
  19. 1.71 km NW of Maple Valley, Washington · 9309 days ago · 12 km deep · 54 km away
  20. 1.66 km NE of Snoqualmie, Washington · 9308 days ago · 10 km deep · 82 km away
  21. 2.013 km SSW of Morton, Washington · 9308 days ago · 10 km deep · 89 km away
  22. 1.72 km W of North Bend, Washington · 9308 days ago · 19 km deep · 75 km away
  23. 1.63 km S of Ames Lake, Washington · 9300 days ago · 13 km deep · 72 km away
  24. 2.23 km SSE of Ames Lake, Washington · 9300 days ago · 11 km deep · 73 km away
  25. 1.822 km ENE of Ashford, Washington · 9300 days ago · 0 km deep · 82 km away
  26. 2.325 km ENE of Ashford, Washington · 9298 days ago · -2 km deep · 85 km away
  27. 2.423 km ENE of Ashford, Washington · 9298 days ago · -1 km deep · 82 km away
  28. 2.223 km ENE of Ashford, Washington · 9297 days ago · -1 km deep · 82 km away
  29. 1.6Washington-Oregon border region · 9295 days ago · 33 km deep · 96 km away
  30. 1.923 km ENE of Ashford, Washington · 9295 days ago · 0 km deep · 82 km away
  31. 1.60 km WSW of Woodway, Washington · 9294 days ago · 26 km deep · 71 km away
  32. 1.628 km ENE of Ashford, Washington · 9293 days ago · -1 km deep · 85 km away
  33. 1.618 km NNE of Ashford, Washington · 9293 days ago · 10 km deep · 67 km away
  34. 1.59 km WSW of Mineral, Washington · 9292 days ago · 16 km deep · 64 km away
  35. 1.93 km S of Carnation, Washington · 9292 days ago · 25 km deep · 76 km away
  36. 2.227 km SSE of Greenwater, Washington · 9290 days ago · 1 km deep · 93 km away
  37. 2.38 km SSW of Morton, Washington · 9290 days ago · 18 km deep · 85 km away
  38. 1.79 km SSW of Morton, Washington · 9289 days ago · 18 km deep · 85 km away
  39. 1.84 km NNW of Dash Point, Washington · 9289 days ago · 16 km deep · 26 km away
  40. 1.65 km ESE of Wilkeson, Washington · 9288 days ago · 0 km deep · 57 km away

Before

  1. 1.75 km W of Belfair, Washington · 9344 days ago · 11 km deep · 31 km away
  2. 6.8The 2001 Nisqually, Washington Earthquake · 9344 days ago · 52 km deep · 5 km away · felt by 10,725
  3. 1.53 km WNW of Mirrormont, Washington · 9347 days ago · 17 km deep · 60 km away
  4. 2.26 km E of Ashford, Washington · 9349 days ago · 2 km deep · 75 km away
  5. 1.510 km NE of Snoqualmie, Washington · 9349 days ago · 5 km deep · 87 km away
  6. 2.22 km W of Issaquah, Washington · 9349 days ago · 22 km deep · 61 km away
  7. 2.51 km WSW of Mountlake Terrace, Washington · 9353 days ago · 24 km deep · 72 km away
  8. 3.15 km S of Fall City, Washington · 9358 days ago · 6 km deep · 71 km away · felt by 50
  9. 1.724 km ENE of Ashford, Washington · 9359 days ago · -2 km deep · 84 km away
  10. 1.71 km SSE of Echo Lake, Washington · 9365 days ago · 22 km deep · 81 km away
  11. 1.723 km SSE of Mossyrock, Washington · 9368 days ago · 16 km deep · 99 km away
  12. 2.223 km ENE of Ashford, Washington · 9372 days ago · -1 km deep · 82 km away
  13. 1.726 km SSE of Greenwater, Washington · 9374 days ago · 4 km deep · 93 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10518773 (also filed as usp000aap7). Read Wed, Sep 30, 2026, 5:56 AM UTC.