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M0.9 Depth: 20.7 km

M0.9 Earthquake near 18 km NNW of Chickaloon, Alaska (United States)

UTC time: 2025-08-09 19:39:36 UTC Local time: —

About this earthquake

On August 9, 2025 at 19:39 UTC, a magnitude M0.9 earthquake occurred near 18 km NNW of Chickaloon, Alaska (United States). With a focal depth of about 21 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Earthquakes of this small magnitude are usually barely noticeable and cause no damage.

The event was recorded by USGS. United States: 170 earthquakes were recorded in the past 24 hours, the strongest reaching M4.1.

Details

Magnitude
M0.9
Depth
20.7 km
UTC time
2025-08-09 19:39:36 UTC
Local time
—
Country
United States
City
Alaska
Source
usgs
Coordinates
61.95110, -148.56930
Temperature
6.9°C

Map

Depth profile

Depth profile Depth: 20.7 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 20.7 km
Shallow
20.7 km
20.7 km — deeper than 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

  • Hayes
    Distance: 205 km ·Stratovolcano ·Elevation: 3'034 m ·Last eruption: 1200 ·United States
  • Spurr
    Distance: 208 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States
  • Buzzard Creek
    Distance: 235 km ·Tuff ring(s) ·Elevation: 830 m ·Last eruption: -1050 ·United States
  • Wrangell
    Distance: 238 km ·Shield ·Elevation: 4'278 m ·Last eruption: 1912 ·United States
  • Redoubt
    Distance: 276 km ·Stratovolcano ·Elevation: 3'108 m ·Last eruption: 2009 ·United States
  • Iliamna
    Distance: 324 km ·Stratovolcano ·Elevation: 3'053 m ·Last eruption: 1876 ·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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