Back to map
United States · Washington

M0.4 Earthquake near Cowlitz County, Washington (United States)

UTC time: 2026-09-10 18:27:59 UTC Local time: —

Map

About this earthquake

On September 10, 2026 at 18:27 UTC, a magnitude M0.4 earthquake occurred near Cowlitz County, Washington (United States). The hypocenter lay relatively close to the surface at around 17 km, increasing how strongly it was felt. Earthquakes of this small magnitude are usually barely noticeable and cause no damage.

The event was recorded by USGS. United States: 197 earthquakes were recorded in the past 24 hours, the strongest reaching M4.4.

Details

ID
b3685f4d01c265314ae32ca63197dfa47050a2f1
Magnitude
M0.4
Depth
16.6 km
UTC time
2026-09-10 18:27:59 UTC
Local time
—
Country
United States
State
Washington
City
Cowlitz County
County
Cowlitz County
Source
usgs
Coordinates
46.22983, -122.63483

Depth profile

Depth profile Depth: 16.6 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 16.6 km
Shallow
16.6 km
16.6 km — close to the regional average (15.2 km)
Regional average: 15.2 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: 35 km ·Stratovolcano ·Elevation: 2'549 m ·Last eruption: 2008 ·United States
  • West Crater
    Distance: 58 km ·Volcanic field ·Elevation: 1'329 m ·Last eruption: -5750 ·United States
  • Indian Heaven
    Distance: 71 km ·Volcanic field ·Elevation: 1'806 m ·Last eruption: -6250 ·United States
  • Adams
    Distance: 88 km ·Stratovolcano ·Elevation: 3'742 m ·Last eruption: 950 ·United States
  • Rainier
    Distance: 96 km ·Stratovolcano ·Elevation: 4'392 m ·Last eruption: 1450 ·United States
  • Hood
    Distance: 120 km ·Stratovolcano ·Elevation: 3'426 m ·Last eruption: 1866 ·United States

Radius · 50 km

Nearby infrastructure

Up to 3 nearest sites per category

Nuclear power plants

  • Trojan nuclear power plantUnited StatesPermanently shut downReactor units at site: 1
    28.6 kmStraight-line distance

Source: Global Energy Monitor · Global Nuclear Power Tracker · Dataset date: 2026-08

This selection shows geographic proximity, not a hazard zone or confirmed impacts. Distances use recorded site coordinates. Sources & data dates

Washington

Context for this earthquake

10 Sep 2025 – 10 Sep 2026 · M ≥ 2.0 · 82 Catalogue entries

Sufficiently reliable matching data are not currently available for a direct comparison. The area profile shows the available records and their limitations.

Open seismic profile

Historic earthquake map · United States

Open history map
Explore recent and long-term earthquake activity in this country. Use filters to narrow down by magnitude, depth, and date range.

Country statistics · United States

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

Share