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M1.6 Depth: 19.4 km

M1.6 Earthquake near 17 km SSW of Chenega, Alaska (United States)

UTC time: 2025-08-21 10:04:30 UTC Local time: —

About this earthquake

On August 21, 2025 at 10:04 UTC, a magnitude M1.6 earthquake occurred near 17 km SSW of Chenega, Alaska (United States). The hypocenter lay relatively close to the surface at around 19 km, increasing how strongly it was felt. Events of this size typically go unnoticed.

The event was recorded by USGS. United States: over the past 24 hours, QuakeMap24 logged 193 earthquakes, the strongest at M3.7.

Details

Magnitude
M1.6
Depth
19.4 km
UTC time
2025-08-21 10:04:30 UTC
Local time
—
Country
United States
City
Alaska
Source
usgs
Coordinates
59.92550, -148.13620
Temperature
13.1°C

Map

Depth profile

Depth profile Depth: 19.4 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 19.4 km
Shallow
19.4 km
19.4 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

  • Redoubt
    Distance: 262 km ·Stratovolcano ·Elevation: 3'108 m ·Last eruption: 2009 ·United States
  • Spurr
    Distance: 271 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States
  • Iliamna
    Distance: 276 km ·Stratovolcano ·Elevation: 3'053 m ·Last eruption: 1876 ·United States
  • Hayes
    Distance: 300 km ·Stratovolcano ·Elevation: 3'034 m ·Last eruption: 1200 ·United States
  • Augustine
    Distance: 304 km ·Lava dome(s) ·Elevation: 1'218 m ·Last eruption: 2006 ·United States
  • Wrangell
    Distance: 321 km ·Shield ·Elevation: 4'278 m ·Last eruption: 1912 ·United States

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.

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