Washington earthquakes

M1.7 earthquake 8 km SE of Mineral, Washington

A magnitude 1.7 earthquake struck 8 km SE of Mineral, Washington on Sun, Nov 15, 1981, 10:58 AM PST (18:58 UTC), 18 km (11 mi) below the surface.

A larger quake followed: M2.7 22 km S of Morton, Washington. This one was a foreshock.

Morton 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
1981-11-15 18:58:35 UTC
Depth
17.7 km (11.0 mi), shallow
Epicenter
46.652° N, 122.118° 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 0.3 km horizontally, 0.6 km in depth
Magnitude uncertainty
±0.06
Depth from
From location
Station coverage gap
51°
Stations used
30

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 12 in the 60 days after this one and 6 in the 30 days before it.

After

  1. 1.923 km ESE of Packwood, Washington · 16386 days ago · 4 km deep · 58 km away
  2. 1.525 km ENE of Ashford, Washington · 16379 days ago · -1 km deep · 37 km away
  3. 2.722 km S of Morton, Washington · 16374 days ago · 5 km deep · 35 km away
  4. 1.53 km W of Easton, Washington · 16368 days ago · 10 km deep · 93 km away
  5. 1.623 km S of Morton, Washington · 16358 days ago · 10 km deep · 35 km away
  6. 2.024 km ESE of Packwood, Washington · 16357 days ago · 5 km deep · 58 km away
  7. 2.732 km S of Morton, Washington · 16357 days ago · 1 km deep · 43 km away
  8. 1.718 km NNE of Ashford, Washington · 16351 days ago · 9 km deep · 32 km away
  9. 1.924 km ESE of Packwood, Washington · 16342 days ago · 5 km deep · 58 km away
  10. 2.7Puget Sound region, Washington · 16342 days ago · 14 km deep · 77 km away
  11. 1.70 km NW of Normandy Park, Washington · 16339 days ago · 17 km deep · 89 km away
  12. 1.82 km ENE of Amboy, Washington · 16333 days ago · 12 km deep · 85 km away

Before

  1. 1.51 km E of White Center, Washington · 16393 days ago · 22 km deep · 97 km away
  2. 1.720 km S of Morton, Washington · 16397 days ago · 8 km deep · 32 km away
  3. 1.92 km WSW of Wilderness Rim, Washington · 16405 days ago · 18 km deep · 90 km away
  4. 1.638 km NNE of Amboy, Washington · 16413 days ago · 1 km deep · 50 km away
  5. 1.64 km SSE of Hobart, Washington · 16416 days ago · 9 km deep · 83 km away
  6. 1.625 km ESE of Packwood, Washington · 16417 days ago · 0 km deep · 60 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10122723. Read Wed, Sep 30, 2026, 8:09 AM UTC.