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M0.5 Depth: 21.1 km

M0.5 Earthquake near 42 km W of False Pass, Alaska (United States)

UTC time: 2025-08-15 02:02:56 UTC Local time: —

About this earthquake

A magnitude M0.5 earthquake was recorded near 42 km W of False Pass, Alaska (United States) on August 15, 2025 at 02:02 UTC. With a focal depth of about 21 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Events of this size typically go unnoticed.

The event was recorded by USGS. United States: 218 earthquakes were recorded in the past 24 hours, the strongest reaching M3.9.

Details

Magnitude
M0.5
Depth
21.1 km
UTC time
2025-08-15 02:02:56 UTC
Local time
—
Country
United States
City
Alaska
Source
usgs
Coordinates
54.80867, -164.06683
Temperature
10.4°C

Map

Depth profile

Depth profile Depth: 21.1 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 21.1 km
Shallow
21.1 km
21.1 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

  • Shishaldin ADVISORY · YELLOW
    Distance: 9 km ·Stratovolcano ·Elevation: 2'857 m ·Last eruption: 2023 ·United States
  • Fisher
    Distance: 29 km ·Stratovolcano ·Elevation: 1'112 m ·Last eruption: 1830 ·United States
  • Roundtop
    Distance: 31 km ·Stratovolcano ·Elevation: 1'871 m ·Last eruption: -7600 ·United States
  • Westdahl
    Distance: 50 km ·Stratovolcano? ·Elevation: 1'563 m ·Last eruption: 1992 ·United States
  • Frosty
    Distance: 84 km ·Stratovolcano(es) ·Elevation: 1'728 m ·United States
  • Amak
    Distance: 90 km ·Stratovolcano ·Elevation: 547 m ·Last eruption: 1796 ·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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