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United States

M1.6 Earthquake near 66 km N of Petersville, Alaska (United States)

UTC time: 2025-04-28 15:41:16 UTC Local time: —

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About this earthquake

On April 28, 2025 at 15:41 UTC, a magnitude M1.6 earthquake occurred near 66 km N of Petersville, Alaska (United States). The hypocenter lay relatively close to the surface at around 28 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 172 earthquakes, the strongest at M3.9.

Details

ID
8788840f448c432d74daa30b6e35825af88d9512
Magnitude
M1.6
Depth
28.3 km
UTC time
2025-04-28 15:41:16 UTC
Local time
—
Country
United States
Source
usgs
Coordinates
63.08140, -150.55680
Temperature
-7.5°C

Depth profile

Depth profile Depth: 28.3 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 28.3 km
Shallow
28.3 km
28.3 km — deeper than the regional average (15.3 km)
Regional average: 15.3 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

  • Buzzard Creek
    Distance: 151 km ·Tuff ring(s) ·Elevation: 830 m ·Last eruption: -1050 ·United States
  • Hayes
    Distance: 187 km ·Stratovolcano ·Elevation: 3'034 m ·Last eruption: 1200 ·United States
  • Spurr
    Distance: 217 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States
  • Redoubt
    Distance: 311 km ·Stratovolcano ·Elevation: 3'108 m ·Last eruption: 2009 ·United States
  • Wrangell
    Distance: 356 km ·Shield ·Elevation: 4'278 m ·Last eruption: 1912 ·United States
  • Iliamna
    Distance: 365 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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