Washington earthquakes

M1.6 earthquake 4 km SW of Darrington, Washington

A magnitude 1.6 earthquake struck 4 km SW of Darrington, Washington on Tue, Sep 16, 1986, 4:19 PM PDT (23:19 UTC), 1 km (1 mi) below the surface.

A larger quake followed: M2.8 20 km E of Verlot, 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
1.6 (md), micro
Local time
UTC
1986-09-16 23:19:49 UTC
Depth
1.2 km (0.7 mi), shallow
Epicenter
48.221° N, 121.643° 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 0.9 km horizontally, 4.6 km in depth
Magnitude uncertainty
±0.07
Depth from
From location
Station coverage gap
125°
Stations used
13

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. 2.820 km E of Verlot, Washington · 14615 days ago · 5 km deep · 20 km away
  2. 2.417 km ESE of Verlot, Washington · 14615 days ago · 7 km deep · 19 km away
  3. 2.43 km N of Hamilton, Washington · 14605 days ago · -1 km deep · 45 km away
  4. 2.23 km N of Hamilton, Washington · 14603 days ago · -1 km deep · 45 km away
  5. 1.81 km NNE of Riverton, Washington · 14602 days ago · 25 km deep · 94 km away
  6. 1.72 km E of Kirkland, Washington · 14601 days ago · 14 km deep · 72 km away
  7. 2.215 km ESE of Acme, Washington · 14599 days ago · -1 km deep · 58 km away
  8. 1.514 km NNE of Snoqualmie Pass, Washington · 14595 days ago · 5 km deep · 82 km away
  9. 2.320 km SSE of Marblemount, Washington · 14593 days ago · 9 km deep · 26 km away
  10. 1.85 km ENE of Southworth, Washington · 14575 days ago · 14 km deep · 97 km away
  11. 1.617 km ESE of Verlot, Washington · 14574 days ago · 7 km deep · 19 km away

Before

  1. 2.3Puget Sound region, Washington · 14625 days ago · 13 km deep · 67 km away
  2. 1.60 km S of Oak Harbor, Washington · 14628 days ago · 19 km deep · 74 km away
  3. 2.317 km E of Verlot, Washington · 14630 days ago · 6 km deep · 19 km away
  4. 1.514 km ESE of Verlot, Washington · 14630 days ago · 9 km deep · 18 km away
  5. 1.8Washington · 14630 days ago · -1 km deep · 21 km away
  6. 1.73 km SSE of Klahanie, Washington · 14632 days ago · 19 km deep · 80 km away
  7. 2.11 km N of Bothell West, Washington · 14636 days ago · 20 km deep · 63 km away
  8. 1.917 km E of Verlot, Washington · 14636 days ago · 7 km deep · 19 km away
  9. 1.521 km WSW of Granite Falls, Washington · 14637 days ago · 0 km deep · 95 km away
  10. 1.81 km S of Hamilton, Washington · 14644 days ago · -1 km deep · 41 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10212078. Read Tue, Sep 22, 2026, 9:41 AM UTC.