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M1.8 Depth: 129.3 km

M1.8 Earthquake near 57 km NE of Pedro Bay, Alaska (United States)

UTC time: 2025-10-08 01:42:27 UTC Local time: —

About this earthquake

A magnitude M1.8 earthquake was recorded near 57 km NE of Pedro Bay, Alaska (United States) on October 8, 2025 at 01:42 UTC. The earthquake originated at an intermediate depth of about 129 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: 188 earthquakes were recorded in the past 24 hours, the strongest reaching M3.4.

Details

Magnitude
M1.8
Depth
129.3 km
UTC time
2025-10-08 01:42:27 UTC
Local time
—
Country
United States
City
Alaska
Source
usgs
Coordinates
60.07670, -153.25610
Temperature
4.2°C

Map

Depth profile

Depth profile Depth: 129.3 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 129.3 km
Intermediate
129.3 km
129.3 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

  • Iliamna
    Distance: 10 km ·Stratovolcano ·Elevation: 3'053 m ·Last eruption: 1876 ·United States
  • Redoubt
    Distance: 54 km ·Stratovolcano ·Elevation: 3'108 m ·Last eruption: 2009 ·United States
  • Augustine
    Distance: 80 km ·Lava dome(s) ·Elevation: 1'218 m ·Last eruption: 2006 ·United States
  • Douglas
    Distance: 137 km ·Stratovolcano ·Elevation: 2'140 m ·United States
  • Spurr
    Distance: 147 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States
  • Fourpeaked
    Distance: 147 km ·Stratovolcano ·Elevation: 2'105 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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