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M-0.1 Depth: 2.3 km

M-0.1 Earthquake near 38 km WSW of False Pass, Alaska (United States)

UTC time: 2025-08-21 17:09:07 UTC Local time: —

About this earthquake

A magnitude M-0.1 earthquake was recorded near 38 km WSW of False Pass, Alaska (United States) on August 21, 2025 at 17:09 UTC. With a focal depth of about 2 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Events of this size typically go unnoticed.

The data is provided by USGS and cross-checked across seismological networks. United States: 197 earthquakes were recorded in the past 24 hours, the strongest reaching M3.7.

Details

Magnitude
M-0.1
Depth
2.3 km
UTC time
2025-08-21 17:09:07 UTC
Local time
—
Country
United States
City
Alaska
Source
usgs
Coordinates
54.75133, -163.97900
Temperature
11.1°C

Map

Depth profile

Depth profile Depth: 2.3 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 2.3 km
Shallow
2.3 km
2.3 km — shallower 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: 1 km ·Stratovolcano ·Elevation: 2'857 m ·Last eruption: 2023 ·United States
  • Roundtop
    Distance: 26 km ·Stratovolcano ·Elevation: 1'871 m ·Last eruption: -7600 ·United States
  • Fisher
    Distance: 31 km ·Stratovolcano ·Elevation: 1'112 m ·Last eruption: 1830 ·United States
  • Westdahl
    Distance: 50 km ·Stratovolcano? ·Elevation: 1'563 m ·Last eruption: 1992 ·United States
  • Frosty
    Distance: 81 km ·Stratovolcano(es) ·Elevation: 1'728 m ·United States
  • Amak
    Distance: 91 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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