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M1.5 Depth: 122.6 km

M1.5 Earthquake near 78 km ENE of Ugashik, Alaska (United States)

UTC time: 2025-10-02 03:34:31 UTC Local time: —

About this earthquake

A magnitude M1.5 earthquake was recorded near 78 km ENE of Ugashik, Alaska (United States) on October 2, 2025 at 03:34 UTC. The earthquake originated at an intermediate depth of about 123 km. Events of this size typically go unnoticed.

The event was recorded by USGS. United States: 210 earthquakes were recorded in the past 24 hours, the strongest reaching M3.4.

Details

Magnitude
M1.5
Depth
122.6 km
UTC time
2025-10-02 03:34:31 UTC
Local time
—
Country
United States
City
Alaska
Source
usgs
Coordinates
57.81570, -156.21600
Temperature
5.8°C

Map

Depth profile

Depth profile Depth: 122.6 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 122.6 km
Intermediate
122.6 km
122.6 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

  • Ugashik-Peulik
    Distance: 12 km ·Stratovolcano ·Elevation: 1'474 m ·Last eruption: 1814 ·United States
  • Ukinrek Maars
    Distance: 18 km ·Maar(s) ·Elevation: 91 m ·Last eruption: 1977 ·United States
  • Alaska Peninsula Arc at 155.4°W
    Distance: 48 km ·Lava dome ·Elevation: 402 m ·United States
  • Martin
    Distance: 64 km ·Stratovolcano ·Elevation: 1'863 m ·Last eruption: 1953 ·United States
  • Mageik
    Distance: 71 km ·Stratovolcano ·Elevation: 2'165 m ·Last eruption: -500 ·United States
  • Kialagvik
    Distance: 75 km ·Stratovolcano ·Elevation: 1'677 m ·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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