Washington earthquakes

M2.0 earthquake 14 km NNW of Morton, Washington

A magnitude 2.0 earthquake struck 14 km NNW of Morton, Washington on Sun, Oct 10, 1976, 2:36 PM PDT (21:36 UTC), 11 km (7 mi) below the surface.

A larger quake followed: M4.0 14 km NNW 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
2.0 (md), micro
Local time
UTC
1976-10-10 21:36:56 UTC
Depth
10.7 km (6.6 mi), shallow
Epicenter
46.672° N, 122.358° 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 0.6 km horizontally, 5.8 km in depth
Magnitude uncertainty
±0.07
Depth from
From location
Station coverage gap
129°
Stations used
9

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 15 in the 60 days after this one and 7 in the 30 days before it.

After

  1. 2.05 km NNW of Onalaska, Washington · 18242 days ago · 42 km deep · 31 km away
  2. 4.014 km NNW of Morton, Washington · 18240 days ago · 16 km deep · 1 km away
  3. 2.113 km WSW of Mineral, Washington · 18240 days ago · 16 km deep · 1 km away
  4. 2.42 km NE of Maple Valley, Washington · 18236 days ago · 13 km deep · 86 km away
  5. 1.97 km ENE of Hobart, Washington · 18234 days ago · 22 km deep · 94 km away
  6. 1.91 km W of Hobart, Washington · 18234 days ago · 18 km deep · 88 km away
  7. 1.84 km S of Orting, Washington · 18234 days ago · -1 km deep · 44 km away
  8. 1.96 km N of Packwood, Washington · 18231 days ago · 1 km deep · 52 km away
  9. 2.211 km S of Greenwater, Washington · 18229 days ago · 4 km deep · 68 km away
  10. 1.86 km SSW of Southworth, Washington · 18218 days ago · 23 km deep · 89 km away
  11. 3.122 km ENE of Ashford, Washington · 18212 days ago · -1 km deep · 49 km away
  12. 2.924 km ENE of Ashford, Washington · 18212 days ago · 4 km deep · 51 km away
  13. 1.61 km ENE of Riverton, Washington · 18207 days ago · 23 km deep · 92 km away
  14. 1.513 km WSW of Alder, Washington · 18205 days ago · -1 km deep · 9 km away
  15. 2.723 km N of Amboy, Washington · 18191 days ago · 4 km deep · 61 km away

Before

  1. 1.75 km ENE of Belfair, Washington · 18245 days ago · 19 km deep · 93 km away
  2. 2.417 km NE of Ashford, Washington · 18250 days ago · 14 km deep · 43 km away
  3. 1.6Washington · 18251 days ago · 13 km deep · 94 km away
  4. 2.212 km N of Ashford, Washington · 18259 days ago · 3 km deep · 34 km away
  5. 1.7Puget Sound region, Washington · 18268 days ago · 18 km deep · 95 km away
  6. 1.716 km NNE of Mossyrock, Washington · 18269 days ago · 12 km deep · 6 km away
  7. 1.63 km NNW of White Center, Washington · 18272 days ago · 12 km deep · 97 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10842348. Read Tue, Sep 22, 2026, 4:24 PM UTC.