Washington earthquakes

M2.1 earthquake 6 km NNE of Mossyrock, Washington

A magnitude 2.1 earthquake struck 6 km NNE of Mossyrock, Washington on Thu, Oct 26, 1972, 5:54 PM PDT (00:54 UTC), 32 km (20 mi) below the surface.

A larger quake followed: M2.9 6 km SW of Grapeview, Washington. This one was a foreshock.

Mossyrock 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
1972-10-27 00:54:10 UTC
Depth
32.4 km (20.2 mi), shallow
Epicenter
46.581° N, 122.438° 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 1.3 km horizontally, 1.9 km in depth
Magnitude uncertainty
±0.16
Depth from
From location
Station coverage gap
149°
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: 11 in the 60 days after this one and 11 in the 30 days before it.

After

  1. 1.816 km SSW of Morton, Washington · 19680 days ago · 19 km deep · 21 km away
  2. 2.96 km SW of Grapeview, Washington · 19678 days ago · 20 km deep · 87 km away
  3. 2.127 km S of Morton, Washington · 19674 days ago · 1 km deep · 33 km away
  4. 1.88 km ESE of Enumclaw, Washington · 19669 days ago · 16 km deep · 79 km away
  5. 3.12 km NE of Felida, Washington · 19667 days ago · 10 km deep · 97 km away
  6. 2.5Washington · 19661 days ago · 2 km deep · 43 km away
  7. 2.335 km SSE of Morton, Washington · 19661 days ago · 3 km deep · 44 km away
  8. 1.98 km E of Ashford, Washington · 19652 days ago · -1 km deep · 45 km away
  9. 2.59 km W of Packwood, Washington · 19645 days ago · 7 km deep · 49 km away
  10. 2.89 km ESE of Ashford, Washington · 19642 days ago · 9 km deep · 43 km away
  11. 2.14 km NNW of Maplewood, Washington · 19629 days ago · 17 km deep · 97 km away

Before

  1. 2.416 km NNE of Ashford, Washington · 19690 days ago · 0 km deep · 52 km away
  2. 2.03 km ENE of Sumner, Washington · 19692 days ago · 13 km deep · 72 km away
  3. 2.117 km WSW of Packwood, Washington · 19695 days ago · 6 km deep · 42 km away
  4. 1.926 km SE of Morton, Washington · 19697 days ago · 13 km deep · 37 km away
  5. 2.218 km ESE of Greenwater, Washington · 19701 days ago · 20 km deep · 99 km away
  6. 2.620 km SSE of Mossyrock, Washington · 19702 days ago · 15 km deep · 26 km away
  7. 2.421 km SSE of Mossyrock, Washington · 19702 days ago · 13 km deep · 26 km away
  8. 2.516 km SE of Carbonado, Washington · 19704 days ago · 7 km deep · 58 km away
  9. 2.213 km WSW of Greenwater, Washington · 19705 days ago · 8 km deep · 75 km away
  10. 2.019 km SSE of Mossyrock, Washington · 19708 days ago · 17 km deep · 25 km away
  11. 2.523 km S of Mossyrock, Washington · 19708 days ago · 39 km deep · 30 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10854638. Read Tue, Sep 22, 2026, 10:00 AM UTC.