Washington earthquakes

M1.7 earthquake 22 km E of Darrington, Washington

A magnitude 1.7 earthquake struck 22 km E of Darrington, Washington on Fri, Jul 18, 1980, 4:27 AM PDT (11:27 UTC), 8 km (5 mi) below the surface.

A larger quake followed: M3.0 5 km SW of Darrington, Washington. This one was a foreshock.

Darrington 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
1980-07-18 11:27:18 UTC
Depth
7.7 km (4.8 mi), shallow
Epicenter
48.293° N, 121.310° 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 5.5 km horizontally, 99.9 km in depth
Magnitude uncertainty
±0.13
Depth from
Operator assigned
Station coverage gap
171°
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 10 in the 30 days before it.

After

  1. 1.510 km SSW of Swede Heaven, Washington · 16873 days ago · 17 km deep · 38 km away
  2. 1.55 km SSW of Darrington, Washington · 16871 days ago · 6 km deep · 25 km away
  3. 1.75 km ENE of Anacortes, Washington · 16871 days ago · 18 km deep · 95 km away
  4. 2.411 km WSW of Winthrop, Washington · 16864 days ago · 9 km deep · 74 km away
  5. 1.94 km E of Granite Falls, Washington · 16864 days ago · -1 km deep · 50 km away
  6. 1.712 km NNE of Maple Falls, Washington · 16863 days ago · 1 km deep · 97 km away
  7. 1.92 km N of Hamilton, Washington · 16861 days ago · 3 km deep · 57 km away
  8. 1.75 km NNE of Oso, Washington · 16860 days ago · -1 km deep · 44 km away
  9. 2.42 km SE of City of Sammamish, Washington · 16841 days ago · 9 km deep · 94 km away
  10. 3.05 km SW of Darrington, Washington · 16839 days ago · 1 km deep · 27 km away
  11. 2.12 km NNW of Warm Beach, Washington · 16828 days ago · 29 km deep · 80 km away

Before

  1. 1.58 km NE of Maple Falls, Washington · 16876 days ago · -1 km deep · 91 km away
  2. 1.714 km SSW of Concrete, Washington · 16879 days ago · 2 km deep · 41 km away
  3. 2.85 km WSW of Lake Cavanaugh, Washington · 16880 days ago · 13 km deep · 58 km away
  4. 1.85 km WSW of Lake Cavanaugh, Washington · 16881 days ago · 11 km deep · 58 km away
  5. 1.55 km WSW of Lake Cavanaugh, Washington · 16881 days ago · 10 km deep · 58 km away
  6. 2.25 km WSW of Lake Cavanaugh, Washington · 16881 days ago · 11 km deep · 57 km away
  7. 1.63 km SSW of Fall City, Washington · 16888 days ago · 18 km deep · 95 km away
  8. 1.75 km S of La Conner, Washington · 16888 days ago · 8 km deep · 89 km away
  9. 1.57 km WSW of Lake Cavanaugh, Washington · 16891 days ago · 10 km deep · 60 km away
  10. 1.72 km E of Lake Marcel-Stillwater, Washington · 16899 days ago · 7 km deep · 79 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10082563. Read Tue, Sep 29, 2026, 8:38 AM UTC.