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M1.2 Depth: 5.7 km

M1.2 Earthquake near 62 km WNW of Petersville, Alaska (United States)

UTC time: 2025-08-23 09:15:00 UTC Local time: —

About this earthquake

On August 23, 2025 at 09:15 UTC, a magnitude M1.2 earthquake occurred near 62 km WNW of Petersville, Alaska (United States). The hypocenter lay relatively close to the surface at around 6 km, increasing how strongly it was felt. Events of this size typically go unnoticed.

The data is provided by USGS and cross-checked across seismological networks. United States: 203 earthquakes were recorded in the past 24 hours, the strongest reaching M3.7.

Details

Magnitude
M1.2
Depth
5.7 km
UTC time
2025-08-23 09:15:00 UTC
Local time
—
Country
United States
City
Alaska
Source
usgs
Coordinates
62.68010, -151.91120
Temperature
7.2°C

Map

Depth profile

Depth profile Depth: 5.7 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 5.7 km
Shallow
5.7 km
5.7 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

  • Hayes
    Distance: 119 km ·Stratovolcano ·Elevation: 3'034 m ·Last eruption: 1200 ·United States
  • Spurr
    Distance: 155 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States
  • Buzzard Creek
    Distance: 232 km ·Tuff ring(s) ·Elevation: 830 m ·Last eruption: -1050 ·United States
  • Redoubt
    Distance: 248 km ·Stratovolcano ·Elevation: 3'108 m ·Last eruption: 2009 ·United States
  • Iliamna
    Distance: 301 km ·Stratovolcano ·Elevation: 3'053 m ·Last eruption: 1876 ·United States
  • Augustine
    Distance: 378 km ·Lava dome(s) ·Elevation: 1'218 m ·Last eruption: 2006 ·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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