Washington earthquakes

M2.0 earthquake 9 km NNW of Carlsborg, Washington

A magnitude 2.0 earthquake struck 9 km NNW of Carlsborg, Washington on Sat, Sep 25, 1976, 5:19 PM PDT (00:19 UTC), 43 km (26 mi) below the surface.

A larger quake followed: M2.1 2 km W of Eastmont, WA. This one was a foreshock.

Carlsborg 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
2.0 (md), micro
Local time
UTC
1976-09-26 00:19:39 UTC
Depth
42.6 km (26.4 mi), shallow
Epicenter
48.174° N, 123.205° 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 1.0 km horizontally, 1.7 km in depth
Magnitude uncertainty
±0.06
Depth from
From location
Station coverage gap
120°
Stations used
7

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 7 in the 30 days before it.

After

  1. 1.713 km NE of Orcas, Washington · 18257 days ago · 65 km deep · 62 km away
  2. 2.12 km W of Eastmont, WA · 18253 days ago · 25 km deep · 81 km away
  3. 1.86 km W of Coupeville, Washington · 18250 days ago · 23 km deep · 33 km away
  4. 1.75 km ENE of Belfair, Washington · 18245 days ago · 19 km deep · 86 km away
  5. 1.61 km SE of Stanwood, Washington · 18235 days ago · 24 km deep · 63 km away
  6. 1.59 km N of Six Mile, Canada · 18234 days ago · 18 km deep · 46 km away
  7. 1.54 km WSW of Hansville, Washington · 18232 days ago · 9 km deep · 53 km away
  8. 1.83 km W of Eastmont, Washington · 18225 days ago · 28 km deep · 79 km away
  9. 2.43 km SSW of Hamilton, Washington · 18224 days ago · 4 km deep · 95 km away
  10. 1.86 km SSW of Southworth, Washington · 18218 days ago · 23 km deep · 93 km away
  11. 1.56 km S of La Conner, Washington · 18203 days ago · 18 km deep · 54 km away

Before

  1. 2.212 km W of Brinnon, Washington · 18259 days ago · 44 km deep · 56 km away
  2. 1.7Puget Sound region, Washington · 18268 days ago · 18 km deep · 84 km away
  3. 1.63 km NNW of White Center, Washington · 18272 days ago · 12 km deep · 94 km away
  4. 2.15 km WSW of Coupeville, Washington · 18276 days ago · 26 km deep · 33 km away
  5. 4.52 km NNE of Union, Washington · 18276 days ago · 45 km deep · 89 km away
  6. 4.76 km WSW of Coupeville, Washington · 18282 days ago · 22 km deep · 32 km away
  7. 1.72 km NNW of Freeland, Washington · 18282 days ago · 24 km deep · 52 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10842273. Read Tue, Sep 22, 2026, 3:25 PM UTC.