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M1.9 Depth: 13.3 km

M1.9 Earthquake near 4 km S of Ahtanum, Washington (United States)

UTC time: 2025-08-29 13:19:48 UTC Local time: —

About this earthquake

On August 29, 2025 at 13:19 UTC, a magnitude M1.9 earthquake occurred near 4 km S of Ahtanum, Washington (United States). The hypocenter lay relatively close to the surface at around 13 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: 241 earthquakes were recorded in the past 24 hours, the strongest reaching M3.9.

Details

Magnitude
M1.9
Depth
13.3 km
UTC time
2025-08-29 13:19:48 UTC
Local time
—
Country
United States
City
Washington
Source
usgs
Coordinates
46.52000, -120.61784
Temperature
25.3°C

Map

Depth profile

Depth profile Depth: 13.3 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 13.3 km
Shallow
13.3 km
13.3 km — close to the regional average (15.4 km)
Regional average: 15.4 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

  • Adams
    Distance: 75 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
  • Indian Heaven
    Distance: 113 km ·Volcanic field ·Elevation: 1'806 m ·Last eruption: -6250 ·United States
  • St. Helens
    Distance: 125 km ·Stratovolcano ·Elevation: 2'549 m ·Last eruption: 2008 ·United States
  • West Crater
    Distance: 133 km ·Volcanic field ·Elevation: 1'329 m ·Last eruption: -5750 ·United States
  • Hood
    Distance: 152 km ·Stratovolcano ·Elevation: 3'426 m ·Last eruption: 1866 ·United States

Historic earthquake map · United States

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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.

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