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M1.8 Depth: 149.0 km

M1.8 Earthquake near 72 km ENE of Ugashik, Alaska (United States)

UTC time: 2025-08-07 11:16:57 UTC Local time: —

About this earthquake

A magnitude M1.8 earthquake was recorded near 72 km ENE of Ugashik, Alaska (United States) on August 7, 2025 at 11:16 UTC. At around 149 km, the focal depth places this among intermediate-depth events. Events of this size typically go unnoticed.

The event was recorded by USGS. United States: over the past 24 hours, QuakeMap24 logged 155 earthquakes, the strongest at M4.1.

Details

Magnitude
M1.8
Depth
149.0 km
UTC time
2025-08-07 11:16:57 UTC
Local time
—
Country
United States
City
Alaska
Source
usgs
Coordinates
57.68010, -156.22550
Temperature
12.8°C

Map

Depth profile

Depth profile Depth: 149 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 149 km
Intermediate
149 km
149 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: 24 km ·Maar(s) ·Elevation: 91 m ·Last eruption: 1977 ·United States
  • Alaska Peninsula Arc at 155.4°W
    Distance: 53 km ·Lava dome ·Elevation: 402 m ·United States
  • Kialagvik
    Distance: 61 km ·Stratovolcano ·Elevation: 1'677 m ·United States
  • Martin
    Distance: 75 km ·Stratovolcano ·Elevation: 1'863 m ·Last eruption: 1953 ·United States
  • Chiginagak
    Distance: 76 km ·Stratovolcano ·Elevation: 2'221 m ·Last eruption: 1998 ·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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