Back to map
M1.8 Depth: 63.6 km

M1.8 Earthquake near 10 km SE of Petersville, Alaska (United States)

UTC time: 2025-09-11 08:15:25 UTC Local time: —

About this earthquake

A magnitude M1.8 earthquake was recorded near 10 km SE of Petersville, Alaska (United States) on September 11, 2025 at 08:15 UTC. With a focal depth of about 64 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Earthquakes of this small magnitude are usually barely noticeable and cause no damage.

The event was recorded by USGS. United States: 185 earthquakes were recorded in the past 24 hours, the strongest reaching M4.8.

Details

Magnitude
M1.8
Depth
63.6 km
UTC time
2025-09-11 08:15:25 UTC
Local time
—
Country
United States
City
Alaska
Source
usgs
Coordinates
62.44090, -150.59980
Temperature
7.1°C

Map

Depth profile

Depth profile Depth: 63.6 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 63.6 km
Shallow
63.6 km
63.6 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

  • Hayes
    Distance: 130 km ·Stratovolcano ·Elevation: 3'034 m ·Last eruption: 1200 ·United States
  • Spurr
    Distance: 154 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States
  • Buzzard Creek
    Distance: 210 km ·Tuff ring(s) ·Elevation: 830 m ·Last eruption: -1050 ·United States
  • Redoubt
    Distance: 245 km ·Stratovolcano ·Elevation: 3'108 m ·Last eruption: 2009 ·United States
  • Iliamna
    Distance: 299 km ·Stratovolcano ·Elevation: 3'053 m ·Last eruption: 1876 ·United States
  • Wrangell
    Distance: 344 km ·Shield ·Elevation: 4'278 m ·Last eruption: 1912 ·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.

Share