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M1.9 Depth: 104.8 km

M1.9 Earthquake near 55 km NNE of Petersville, Alaska (United States)

UTC time: 2025-09-29 09:39:19 UTC Local time: —

About this earthquake

A magnitude M1.9 earthquake was recorded near 55 km NNE of Petersville, Alaska (United States) on September 29, 2025 at 09:39 UTC. The earthquake originated at an intermediate depth of about 105 km. Earthquakes of this small magnitude are usually barely noticeable and cause no damage.

The data is provided by USGS and cross-checked across seismological networks. United States: 185 earthquakes were recorded in the past 24 hours, the strongest reaching M3.4.

Details

Magnitude
M1.9
Depth
104.8 km
UTC time
2025-09-29 09:39:19 UTC
Local time
—
Country
United States
City
Alaska
Source
usgs
Coordinates
62.97510, -150.48920
Temperature
-3.1°C

Map

Depth profile

Depth profile Depth: 104.8 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 104.8 km
Intermediate
104.8 km
104.8 km — deeper than the regional average (15.4 km)
Regional average: 15.4 km
Why depth matters

Intermediate-depth quakes are felt across a wider area but usually cause less surface damage.

Depth classes per USGS

Volcanoes nearby

  • Buzzard Creek
    Distance: 158 km ·Tuff ring(s) ·Elevation: 830 m ·Last eruption: -1050 ·United States
  • Hayes
    Distance: 179 km ·Stratovolcano ·Elevation: 3'034 m ·Last eruption: 1200 ·United States
  • Spurr
    Distance: 208 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States
  • Redoubt
    Distance: 301 km ·Stratovolcano ·Elevation: 3'108 m ·Last eruption: 2009 ·United States
  • Wrangell
    Distance: 349 km ·Shield ·Elevation: 4'278 m ·Last eruption: 1912 ·United States
  • Iliamna
    Distance: 355 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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