Washington earthquakes

M1.9 earthquake 2 km SSE of Oak Harbor, Washington

A magnitude 1.9 earthquake struck 2 km SSE of Oak Harbor, Washington on Sat, Feb 23, 1991, 5:51 PM PST (01:51 UTC), 23 km (14 mi) below the surface.

A larger quake followed: M2.7 1 km SE of Ames Lake, Washington. This one was a foreshock.

Oak Harbor 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
1991-02-24 01:51:29 UTC
Depth
23.0 km (14.3 mi), shallow
Epicenter
48.273° N, 122.624° 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, 1.0 km in depth
Magnitude uncertainty
±0.07
Depth from
From location
Station coverage gap
29°
Stations used
23

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 8 in the 30 days before it.

After

  1. 1.72 km SE of Ames Lake, Washington · 13001 days ago · 21 km deep · 88 km away
  2. 2.53 km WSW of Erlands Point-Kitsap Lake, Washington · 12996 days ago · 17 km deep · 77 km away
  3. 1.54 km WSW of Erlands Point-Kitsap Lake, Washington · 12996 days ago · 17 km deep · 77 km away
  4. 2.36 km WSW of Lake Cavanaugh, Washington · 12989 days ago · 2 km deep · 39 km away
  5. 2.10 km W of Normandy Park, Washington · 12987 days ago · 18 km deep · 95 km away
  6. 2.71 km SE of Ames Lake, Washington · 12983 days ago · 22 km deep · 88 km away
  7. 2.04 km NE of Oak Bay, Canada · 12983 days ago · 26 km deep · 52 km away
  8. 1.922 km W of Port Angeles, Washington · 12976 days ago · 6 km deep · 84 km away
  9. 1.82 km NW of Warm Beach, Washington · 12975 days ago · 0 km deep · 20 km away
  10. 1.62 km SW of Roosevelt, Washington · 12969 days ago · 16 km deep · 62 km away
  11. 2.05 km SSW of Clinton, Washington · 12965 days ago · 23 km deep · 41 km away
  12. 2.32 km SSW of West Lake Sammamish, Washington · 12958 days ago · 12 km deep · 89 km away
  13. 2.40 km NW of Burlington, Washington · 12955 days ago · 15 km deep · 32 km away
  14. 1.60 km WSW of Burlington, Washington · 12954 days ago · 14 km deep · 31 km away
  15. 1.57 km W of Allyn, Washington · 12953 days ago · 14 km deep · 100 km away
  16. 2.12 km S of Kendall, Washington · 12952 days ago · 16 km deep · 78 km away
  17. 2.05 km W of Concrete, Washington · 12951 days ago · 3 km deep · 66 km away

Before

  1. 2.51 km NNE of Bellevue, Washington · 13010 days ago · 24 km deep · 79 km away
  2. 2.24 km W of Lake Marcel-Stillwater, Washington · 13011 days ago · 0 km deep · 80 km away
  3. 1.61 km E of Edmonds, Washington · 13013 days ago · 21 km deep · 55 km away
  4. 1.92 km ESE of Belfair, Washington · 13019 days ago · 22 km deep · 93 km away
  5. 2.01 km S of Anacortes, Washington · 13023 days ago · 10 km deep · 25 km away
  6. 1.90 km NNE of Clyde Hill, Washington · 13027 days ago · 24 km deep · 77 km away
  7. 2.85 km ENE of Deming, Washington · 13035 days ago · 1 km deep · 72 km away
  8. 1.812 km NE of Hoodsport, Washington · 13035 days ago · 14 km deep · 94 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10273043. Read Sat, Oct 3, 2026, 6:28 AM UTC.