Washington earthquakes

M1.6 earthquake 4 km WNW of Chico, Washington

A magnitude 1.6 earthquake struck 4 km WNW of Chico, Washington on Wed, Jan 9, 1991, 11:26 PM PST (07:26 UTC), 21 km (13 mi) below the surface.

A larger quake followed: M2.5 1 km NNE of Bellevue, Washington. This one was a foreshock.

Chico 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, duration), micro
Magnitude from
Pacific Northwest Seismic Network
Local time
UTC
1991-01-10 07:26:25 UTC
Depth
20.9 km (13.0 mi), shallow
Epicenter
47.627° N, 122.765° 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, 0.6 km in depth
Magnitude uncertainty
±0.08
Depth from
From location
Station coverage gap
108°
Stations used
20

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 17 in the 60 days after this one and 11 in the 30 days before it.

After

  1. 2.34 km SW of Anacortes, Washington · 13046 days ago · 23 km deep · 96 km away
  2. 1.54 km NW of Bryant, Washington · 13046 days ago · 9 km deep · 84 km away
  3. 1.92 km NE of Keyport, Washington · 13043 days ago · 14 km deep · 16 km away
  4. 2.33 km ENE of Bainbridge Island, Washington · 13036 days ago · 18 km deep · 22 km away
  5. 1.812 km NE of Hoodsport, Washington · 13036 days ago · 14 km deep · 25 km away
  6. 1.613 km SE of Rainier, Washington · 13031 days ago · 12 km deep · 95 km away
  7. 1.90 km NNE of Clyde Hill, Washington · 13028 days ago · 24 km deep · 41 km away
  8. 2.01 km S of Anacortes, Washington · 13024 days ago · 10 km deep · 97 km away
  9. 1.92 km ESE of Belfair, Washington · 13020 days ago · 22 km deep · 21 km away
  10. 1.61 km E of Edmonds, Washington · 13014 days ago · 21 km deep · 37 km away
  11. 2.24 km W of Lake Marcel-Stillwater, Washington · 13013 days ago · 0 km deep · 60 km away
  12. 2.51 km NNE of Bellevue, Washington · 13011 days ago · 24 km deep · 43 km away
  13. 1.92 km SSE of Oak Harbor, Washington · 13006 days ago · 23 km deep · 73 km away
  14. 1.72 km SE of Ames Lake, Washington · 13002 days ago · 21 km deep · 61 km away
  15. 1.53 km WSW of North Bend, Washington · 13001 days ago · 19 km deep · 72 km away
  16. 2.53 km WSW of Erlands Point-Kitsap Lake, Washington · 12998 days ago · 17 km deep · 5 km away
  17. 1.54 km WSW of Erlands Point-Kitsap Lake, Washington · 12998 days ago · 17 km deep · 5 km away

Before

  1. 2.44 km NE of Blyn, Washington · 13052 days ago · 13 km deep · 50 km away
  2. 2.110 km SW of Greenwater, Washington · 13057 days ago · 15 km deep · 97 km away
  3. 3.53 km SW of North Bend, Washington · 13062 days ago · 17 km deep · 73 km away
  4. 1.61 km NNW of Brier, Washington · 13064 days ago · 20 km deep · 41 km away
  5. 1.63 km SW of North Bend, Washington · 13066 days ago · 16 km deep · 73 km away
  6. 2.76 km NNE of Port Townsend, Washington · 13070 days ago · 53 km deep · 61 km away
  7. 1.73 km NNE of Home, Washington · 13071 days ago · 16 km deep · 36 km away
  8. 1.71 km W of Mount Vernon, Washington · 13076 days ago · 7 km deep · 93 km away
  9. 1.64 km SSW of Orting, Washington · 13077 days ago · 1 km deep · 76 km away
  10. 1.53 km WSW of Wauna, Washington · 13079 days ago · 20 km deep · 29 km away
  11. 2.51 km NW of Brier, Washington · 13081 days ago · 18 km deep · 40 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10269493. Read Sun, Oct 4, 2026, 8:58 AM UTC.