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M-0.1 Depth: 14.9 km

M-0.1 Earthquake near Cowlitz County, Washington (United States)

UTC time: 2026-07-31 04:37:11 UTC Local time: —

About this earthquake

On July 31, 2026 at 04:37 UTC, a magnitude M-0.1 earthquake occurred near Cowlitz County, Washington (United States). The hypocenter lay relatively close to the surface at around 15 km, increasing how strongly it was felt. Events of this size typically go unnoticed.

The data is provided by USGS and cross-checked across seismological networks. United States: 186 earthquakes were recorded in the past 24 hours, the strongest reaching M3.8.

Map

Depth profile

Depth profile Depth: 14.9 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 14.9 km
Shallow
14.9 km
14.9 km — close to the regional average (15.5 km)
Regional average: 15.5 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: 9 km ·Stratovolcano ·Elevation: 2'549 m ·Last eruption: 2008 ·United States
  • West Crater
    Distance: 40 km ·Volcanic field ·Elevation: 1'329 m ·Last eruption: -5750 ·United States
  • Indian Heaven
    Distance: 48 km ·Volcanic field ·Elevation: 1'806 m ·Last eruption: -6250 ·United States
  • Adams
    Distance: 63 km ·Stratovolcano ·Elevation: 3'742 m ·Last eruption: 950 ·United States
  • Rainier
    Distance: 83 km ·Stratovolcano ·Elevation: 4'392 m ·Last eruption: 1450 ·United States
  • Hood
    Distance: 104 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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