Washington earthquakes

M2.6 earthquake 9 km W of Belfair, Washington

A magnitude 2.6 earthquake struck 9 km W of Belfair, Washington on Thu, Oct 17, 1985, 11:18 AM PDT (18:18 UTC), 15 km (9 mi) below the surface.

A larger quake followed: M2.7 26 km E of Neilton, Washington. This one was a foreshock.

Belfair 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
2.6 (md), micro
Local time
UTC
1985-10-17 18:18:21 UTC
Depth
15.2 km (9.5 mi), shallow
Epicenter
47.438° N, 122.958° 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 0.4 km horizontally, 0.6 km in depth
Magnitude uncertainty
±0.07
Depth from
From location
Station coverage gap
50°
Stations used
41

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 12 in the 30 days before it.

After

  1. 1.62 km ENE of Keyport, Washington · 14941 days ago · 16 km deep · 41 km away
  2. 1.84 km WSW of Wilderness Rim, Washington · 14940 days ago · 15 km deep · 85 km away
  3. 2.62 km ESE of Silverdale, Washington · 14933 days ago · 20 km deep · 31 km away
  4. 2.013 km NNW of Morton, Washington · 14932 days ago · 17 km deep · 98 km away
  5. 1.58 km NW of Greenwater, Washington · 14930 days ago · -1 km deep · 96 km away
  6. 2.51 km NNE of Klahanie, Washington · 14930 days ago · 6 km deep · 74 km away
  7. 2.726 km E of Neilton, Washington · 14920 days ago · 41 km deep · 43 km away
  8. 2.37 km ESE of Riverbend, Washington · 14909 days ago · 11 km deep · 99 km away
  9. 1.611 km SE of Neilton, Washington · 14909 days ago · 47 km deep · 64 km away
  10. 2.112 km N of Mossyrock, Washington · 14898 days ago · 20 km deep · 95 km away
  11. 1.87 km NNE of Elbe, Washington · 14892 days ago · -1 km deep · 90 km away

Before

  1. 2.70 km ENE of Riverbend, Washington · 14952 days ago · 15 km deep · 91 km away
  2. 2.07 km WNW of Gorst, Washington · 14957 days ago · 21 km deep · 17 km away
  3. 2.87 km N of Quilcene, Washington · 14960 days ago · 20 km deep · 51 km away
  4. 2.117 km ESE of Carbonado, Washington · 14967 days ago · 16 km deep · 96 km away
  5. 2.02 km NW of Burien, Washington · 14969 days ago · 22 km deep · 44 km away
  6. 2.43 km NW of Burien, Washington · 14969 days ago · 23 km deep · 44 km away
  7. 1.82 km WNW of Navy Yard City, Washington · 14971 days ago · 13 km deep · 24 km away
  8. 2.23 km S of Issaquah, Washington · 14971 days ago · 0 km deep · 70 km away
  9. 1.53 km S of Monroe, Washington · 14972 days ago · -1 km deep · 86 km away
  10. 2.63 km NW of Redmond, Washington · 14973 days ago · 8 km deep · 67 km away
  11. 2.03 km SSE of Issaquah, Washington · 14976 days ago · -1 km deep · 71 km away
  12. 1.51 km NNW of Freeland, Washington · 14977 days ago · 18 km deep · 72 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10200443. Read Tue, Sep 22, 2026, 5:44 AM UTC.