Washington earthquakes

M1.9 earthquake 4 km ESE of Belfair, Washington

A magnitude 1.9 earthquake struck 4 km ESE of Belfair, Washington on Wed, Dec 18, 1991, 12:06 AM PST (08:06 UTC), 2 km (1 mi) below the surface.

A larger quake followed: M3.1 5 km WNW of Wauna, 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
1.9 (Md, duration), micro
Magnitude from
Pacific Northwest Seismic Network
Local time
UTC
1991-12-18 08:06:22 UTC
Depth
1.7 km (1.1 mi), shallow
Epicenter
47.432° N, 122.776° 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, 1.3 km in depth
Magnitude uncertainty
±0.03
Depth from
From location
Station coverage gap
93°
Stations used
22

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 16 in the 60 days after this one and 7 in the 30 days before it.

After

  1. 1.53 km NW of Silverdale, Washington · 12706 days ago · 47 km deep · 26 km away
  2. 1.66 km N of Belfair, Washington · 12704 days ago · 16 km deep · 9 km away
  3. 1.57 km N of Belfair, Washington · 12704 days ago · 1 km deep · 9 km away
  4. 2.19 km NE of Ashford, Washington · 12700 days ago · 10 km deep · 94 km away
  5. 2.424 km ENE of Ashford, Washington · 12697 days ago · -2 km deep · 99 km away
  6. 1.92 km WSW of Ames Lake, Washington · 12689 days ago · 6 km deep · 63 km away
  7. 1.523 km NE of Ashford, Washington · 12685 days ago · -2 km deep · 98 km away
  8. 1.53 km SSW of Snoqualmie, Washington · 12681 days ago · 17 km deep · 70 km away
  9. 3.15 km WNW of Wauna, Washington · 12676 days ago · 14 km deep · 6 km away
  10. 1.524 km NE of Ashford, Washington · 12672 days ago · -2 km deep · 96 km away
  11. 1.55 km NE of Snoqualmie, Washington · 12667 days ago · 9 km deep · 76 km away
  12. 2.522 km ENE of Ashford, Washington · 12660 days ago · -2 km deep · 99 km away
  13. 1.910 km WNW of Belfair, Washington · 12654 days ago · 14 km deep · 15 km away
  14. 1.722 km ENE of Ashford, Washington · 12653 days ago · -2 km deep · 98 km away
  15. 1.77 km WNW of Picnic Point, Washington · 12649 days ago · 26 km deep · 60 km away
  16. 2.76 km SSE of Quilcene, Washington · 12648 days ago · 15 km deep · 39 km away

Before

  1. 2.16 km W of Mineral, Washington · 12708 days ago · 14 km deep · 89 km away
  2. 1.52 km SSW of Mountlake Terrace, Washington · 12712 days ago · 22 km deep · 51 km away
  3. 1.814 km NE of Ashford, Washington · 12712 days ago · 3 km deep · 92 km away
  4. 1.722 km NE of Ashford, Washington · 12720 days ago · -1 km deep · 95 km away
  5. 2.42 km NE of Eastmont, Washington · 12729 days ago · 18 km deep · 71 km away
  6. 1.613 km SW of Chehalis, Washington · 12729 days ago · 44 km deep · 97 km away
  7. 1.523 km ENE of Ashford, Washington · 12736 days ago · -2 km deep · 99 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10286533. Read Fri, Oct 2, 2026, 12:01 PM UTC.