Washington earthquakes

M2.1 earthquake 43 km ENE of Marblemount, Washington

A magnitude 2.1 earthquake struck 43 km ENE of Marblemount, Washington on Sat, Aug 2, 2025, 10:44 AM PDT (17:44 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M2.6 47 km SSW of Princeton, Canada. This one was a foreshock.

Concrete 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
2.1 (ML, local (Richter)), micro
Magnitude from
Pacific Northwest Seismic Network
Local time
UTC
2025-08-02 17:44:51 UTC
Depth
9.8 km (6.1 mi), shallow
Epicenter
48.736° N, 120.957° W
Felt reports
1
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

1 person reported to the USGS what they felt; the strongest reported shaking was II, weak shaking.

Did You Feel It? map: shaking reported by the public
Shaking reported by the public, by area. Map: USGS Did You Feel It?

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 0.9 km horizontally, 32.8 km in depth
Magnitude uncertainty
±0.07
Depth from
Operator assigned
Station coverage gap
140°
Stations used
17

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 5 in the 60 days after this one and 4 in the 30 days before it.

After

  1. 2.647 km SSW of Princeton, Canada · 419 days ago · 5 km deep · 41 km away · felt by 2
  2. 1.615 km WSW of Methow, Washington · 414 days ago · 9 km deep · 91 km away
  3. 1.53 km N of Lyman, Washington · 409 days ago · 5 km deep · 83 km away
  4. 1.516 km SE of Glacier, Washington · 404 days ago · -1 km deep · 62 km away
  5. 1.68 km SW of Chilliwack, Canada · 390 days ago · 10 km deep · 88 km away

Before

  1. 1.56 km ESE of Glacier, Washington · 433 days ago · 20 km deep · 68 km away
  2. 1.67 km NNE of Sedro-Woolley, Washington · 435 days ago · 7 km deep · 93 km away
  3. 3.434 km W of Okanagan Falls, Canada · 441 days ago · 7 km deep · 98 km away · felt by 20
  4. 1.617 km SSE of Glacier, Washington · 446 days ago · 0 km deep · 65 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw62164451. Read Sat, Oct 3, 2026, 3:49 PM UTC.