Washington earthquakes

M2.4 earthquake 3 km E of Pacific, Washington

A magnitude 2.4 earthquake struck 3 km E of Pacific, Washington on Sun, Sep 12, 1971, 5:19 AM PDT (12:19 UTC), 14 km (9 mi) below the surface.

A larger quake followed: M2.5 7 km SE of Mossyrock, 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
2.4 (md), micro
Local time
UTC
1971-09-12 12:19:07 UTC
Depth
14.3 km (8.9 mi), shallow
Epicenter
47.269° N, 122.200° 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 1.5 km horizontally, 14.8 km in depth
Magnitude uncertainty
±0.06
Depth from
Operator assigned
Station coverage gap
92°
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: 19 in the 60 days after this one and 18 in the 30 days before it.

After

  1. 2.57 km SE of Mossyrock, Washington · 20097 days ago · 11 km deep · 90 km away
  2. 1.510 km NW of Brinnon, Washington · 20092 days ago · -1 km deep · 79 km away
  3. 1.94 km NNE of Seattle, Washington · 20092 days ago · 19 km deep · 43 km away
  4. 2.24 km SE of Riverbend, Washington · 20090 days ago · -1 km deep · 42 km away
  5. 1.70 km NNE of Beaux Arts Village, Washington · 20079 days ago · 20 km deep · 36 km away
  6. 2.30 km NE of Mercer Island, Washington · 20078 days ago · 20 km deep · 34 km away
  7. 1.80 km NE of Beaux Arts Village, Washington · 20078 days ago · 20 km deep · 36 km away
  8. 1.917 km E of Morton, Washington · 20077 days ago · 29 km deep · 79 km away
  9. 2.1Washington · 20075 days ago · 21 km deep · 38 km away
  10. 1.81 km SSW of Wilderness Rim, Washington · 20074 days ago · 20 km deep · 37 km away
  11. 2.11 km WNW of Federal Way, Washington · 20071 days ago · 28 km deep · 12 km away
  12. 2.42 km WSW of Suquamish, Washington · 20064 days ago · 18 km deep · 58 km away
  13. 3.318 km SSW of Packwood, Washington · 20062 days ago · 0 km deep · 98 km away
  14. 2.81 km ENE of Keyport, Washington · 20060 days ago · 21 km deep · 57 km away
  15. 1.72 km NNE of Bonney Lake, Washington · 20060 days ago · 10 km deep · 8 km away
  16. 2.15 km WNW of Wauna, Washington · 20059 days ago · 19 km deep · 41 km away
  17. 1.80 km ENE of Beaux Arts Village, Washington · 20058 days ago · 21 km deep · 35 km away
  18. 2.30 km NE of Beaux Arts Village, Washington · 20054 days ago · 20 km deep · 36 km away
  19. 3.05 km N of Bangor Trident Base, Washington · 20052 days ago · 54 km deep · 68 km away

Before

  1. 2.30 km NW of Beaux Arts Village, Washington · 20102 days ago · 21 km deep · 36 km away
  2. 2.01 km NNE of Mercer Island, Washington · 20102 days ago · 20 km deep · 35 km away
  3. 1.92 km SE of Lake Marcel-Stillwater, Washington · 20102 days ago · 23 km deep · 50 km away
  4. 3.50 km ESE of Mercer Island, Washington · 20102 days ago · 20 km deep · 33 km away
  5. 2.75 km NE of Woods Creek, Washington · 20103 days ago · 18 km deep · 76 km away
  6. 2.14 km NE of Ashford, Washington · 20105 days ago · 9 km deep · 56 km away
  7. 2.61 km SE of Burley, Washington · 20112 days ago · 15 km deep · 35 km away
  8. 2.68 km NNE of Hoodsport, Washington · 20116 days ago · 44 km deep · 72 km away
  9. 1.96 km WSW of Port Hadlock-Irondale, Washington · 20116 days ago · 21 km deep · 97 km away
  10. 1.87 km SE of Snoqualmie Pass, Washington · 20116 days ago · 0 km deep · 67 km away
  11. 2.55 km NE of Ashford, Washington · 20117 days ago · 8 km deep · 55 km away
  12. 1.77 km SE of Snoqualmie Pass, Washington · 20118 days ago · 0 km deep · 67 km away
  13. 2.65 km NNE of Hoodsport, Washington · 20118 days ago · 40 km deep · 72 km away
  14. 2.02 km SSE of Des Moines, Washington · 20125 days ago · 16 km deep · 15 km away
  15. 2.310 km ESE of Tanner, Washington · 20125 days ago · 3 km deep · 48 km away
  16. 1.97 km NNE of Snoqualmie, Washington · 20127 days ago · 9 km deep · 48 km away
  17. 1.80 km ESE of Beaux Arts Village, Washington · 20128 days ago · 20 km deep · 35 km away
  18. 2.121 km ENE of Ashford, Washington · 20128 days ago · 0 km deep · 56 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10839738. Read Tue, Sep 22, 2026, 7:46 PM UTC.