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M3.8 Depth: 17.3 km

M3.8 Earthquake near Cowlitz County, Washington (United States)

UTC time: 2026-09-05 11:09:28 UTC Local time: —

About this earthquake

On September 5, 2026 at 11:09 UTC, a magnitude M3.8 earthquake occurred near Cowlitz County, Washington (United States). With a focal depth of about 17 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Earthquakes of this magnitude are often felt but rarely cause damage.

The data is provided by USGS and cross-checked across seismological networks. United States: over the past 24 hours, QuakeMap24 logged 173 earthquakes, the strongest at M3.9.

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Depth profile

Depth profile Depth: 17.3 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 17.3 km
Shallow
17.3 km
17.3 km — close to the regional average (15.3 km)
Regional average: 15.3 km
Why depth matters

Shallow quakes release energy near the surface — shaking is felt more strongly and damage potential is higher.

Depth classes per USGS

Volcanoes nearby

  • St. Helens
    Distance: 36 km ·Stratovolcano ·Elevation: 2'549 m ·Last eruption: 2008 ·United States
  • West Crater
    Distance: 60 km ·Volcanic field ·Elevation: 1'329 m ·Last eruption: -5750 ·United States
  • Indian Heaven
    Distance: 73 km ·Volcanic field ·Elevation: 1'806 m ·Last eruption: -6250 ·United States
  • Adams
    Distance: 89 km ·Stratovolcano ·Elevation: 3'742 m ·Last eruption: 950 ·United States
  • Rainier
    Distance: 95 km ·Stratovolcano ·Elevation: 4'392 m ·Last eruption: 1450 ·United States
  • Hood
    Distance: 122 km ·Stratovolcano ·Elevation: 3'426 m ·Last eruption: 1866 ·United States

Historic earthquake map · United States

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Country statistics · United States

Country overview
View earthquake KPIs, strongest and latest events, and averages for this country.

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