Washington earthquakes

M1.6 earthquake 23 km W of Cliffdell, Washington

A magnitude 1.6 earthquake struck 23 km W of Cliffdell, Washington on Sat, Apr 26, 1986, 9:36 AM PST (17:36 UTC), 3 km (2 mi) below the surface.

A larger quake followed: M2.1 25 km S of Morton, Washington. This one was a foreshock.

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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
1986-04-26 17:36:01 UTC
Depth
3.0 km (1.9 mi), shallow
Epicenter
46.934° N, 121.382° 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 0.5 km horizontally, 3.2 km in depth
Magnitude uncertainty
±0.07
Depth from
Operator assigned
Station coverage gap
95°
Stations used
11

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 13 in the 60 days after this one and 6 in the 30 days before it.

After

  1. 1.51 km WNW of North Bend, Washington · 14757 days ago · 16 km deep · 71 km away
  2. 2.125 km S of Morton, Washington · 14752 days ago · 10 km deep · 94 km away
  3. 2.123 km S of Morton, Washington · 14746 days ago · 8 km deep · 93 km away
  4. 1.8Washington · 14744 days ago · 8 km deep · 41 km away
  5. 1.5Washington · 14742 days ago · 16 km deep · 67 km away
  6. 2.27 km WNW of Morton, Washington · 14732 days ago · 9 km deep · 85 km away
  7. 1.824 km S of Morton, Washington · 14724 days ago · 7 km deep · 92 km away
  8. 1.719 km S of Morton, Washington · 14721 days ago · 11 km deep · 92 km away
  9. 2.223 km ESE of Packwood, Washington · 14717 days ago · 5 km deep · 46 km away
  10. 1.612 km W of Tieton, Washington · 14712 days ago · -1 km deep · 43 km away
  11. 2.65 km E of Tanner, Washington · 14707 days ago · 16 km deep · 64 km away
  12. 2.29 km E of McKenna, Washington · 14707 days ago · 20 km deep · 80 km away
  13. 2.88 km SSW of Tampico, Washington · 14704 days ago · 3 km deep · 63 km away

Before

  1. 1.95 km ESE of Mossyrock, Washington · 14767 days ago · 18 km deep · 91 km away
  2. 1.53 km WNW of Ashford, Washington · 14785 days ago · 25 km deep · 55 km away
  3. 2.40 km ESE of Clyde Hill, Washington · 14785 days ago · 24 km deep · 99 km away
  4. 2.24 km ENE of Carnation, Washington · 14787 days ago · 17 km deep · 89 km away
  5. 1.83 km ENE of East Renton Highlands, Washington · 14788 days ago · 0 km deep · 82 km away
  6. 1.77 km SSW of Snoqualmie Pass, Washington · 14789 days ago · 13 km deep · 45 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10205108. Read Tue, Sep 22, 2026, 4:22 PM UTC.