Washington earthquakes

M1.6 earthquake 10 km NNW of Carson, Washington

A magnitude 1.6 earthquake struck 10 km NNW of Carson, Washington on Fri, Feb 27, 2026, 11:39 PM PST (07:39 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M2.5 7 km SE of Mineral, Washington. This one was a foreshock.

Carson 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 (ML, local (Richter)), micro
Magnitude from
Pacific Northwest Seismic Network
Local time
UTC
2026-02-28 07:39:28 UTC
Depth
10.2 km (6.3 mi), shallow
Epicenter
45.810° N, 121.890° 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 0.3 km horizontally, 1.2 km in depth
Magnitude uncertainty
±0.14
Depth from
From location
Station coverage gap
113°
Stations used
32

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 14 in the 60 days after this one and 5 in the 30 days before it.

After

  1. 1.87 km SE of Mineral, Washington · 215 days ago · 22 km deep · 97 km away
  2. 1.56 km SE of Mineral, Washington · 214 days ago · 21 km deep · 98 km away
  3. 2.037 km NNE of Amboy, Washington · 212 days ago · 2 km deep · 49 km away
  4. 2.118 km N of Amboy, Washington · 205 days ago · 8 km deep · 55 km away
  5. 1.741 km SSE of Morton, Washington · 200 days ago · 5 km deep · 47 km away
  6. 2.57 km SE of Mineral, Washington · 199 days ago · 21 km deep · 97 km away · felt by 3
  7. 2.07 km SE of Mineral, Washington · 199 days ago · 21 km deep · 97 km away
  8. 1.67 km NE of Castle Rock, Washington · 190 days ago · 7 km deep · 94 km away
  9. 2.35 km SW of Packwood, Washington · 183 days ago · 9 km deep · 86 km away · felt by 4
  10. 1.78 km S of Molalla, Oregon · 177 days ago · 12 km deep · 97 km away
  11. 1.725 km S of Morton, Washington · 176 days ago · 7 km deep · 63 km away
  12. 1.921 km SSE of Mossyrock, Washington · 166 days ago · 17 km deep · 71 km away
  13. 1.75 km SSE of Yacolt, Washington · 162 days ago · -1 km deep · 38 km away
  14. 2.110 km NNE of Sandy, Oregon · 160 days ago · 2 km deep · 44 km away

Before

  1. 2.223 km NNW of Carson, Washington · 221 days ago · 6 km deep · 13 km away
  2. 1.87 km SE of Mineral, Washington · 221 days ago · 22 km deep · 97 km away
  3. 1.831 km ENE of Yacolt, Washington · 223 days ago · 5 km deep · 24 km away
  4. 2.18 km S of Scappoose, Oregon · 232 days ago · 22 km deep · 79 km away · felt by 1
  5. 1.523 km N of Trout Lake, Washington · 239 days ago · 2 km deep · 52 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw62229251. Read Fri, Oct 2, 2026, 3:17 AM UTC.