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United States

M2.4 Earthquake near 47 km SE of Pedro Bay, Alaska (United States)

UTC time: 2025-10-31 12:55:39 UTC Local time: —

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About this earthquake

A magnitude M2.4 earthquake was recorded near 47 km SE of Pedro Bay, Alaska (United States) on October 31, 2025 at 12:55 UTC. The earthquake originated at an intermediate depth of about 118 km. Events of this size typically go unnoticed.

The data is provided by USGS and cross-checked across seismological networks. United States: over the past 24 hours, QuakeMap24 logged 187 earthquakes, the strongest at M4.0.

Details

ID
d7a039f981460206df0532a0dbf47e04b4301189
Magnitude
M2.4
Depth
118.0 km
UTC time
2025-10-31 12:55:39 UTC
Local time
—
Country
United States
City
Alaska
Source
usgs
Coordinates
59.49400, -153.49540
Temperature
7.2°C

Depth profile

Depth profile Depth: 118 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 118 km
Intermediate
118 km
118 km — deeper than the regional average (15.2 km)
Regional average: 15.2 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

  • Augustine
    Distance: 15 km ·Lava dome(s) ·Elevation: 1'218 m ·Last eruption: 2006 ·United States
  • Iliamna
    Distance: 64 km ·Stratovolcano ·Elevation: 3'053 m ·Last eruption: 1876 ·United States
  • Douglas
    Distance: 71 km ·Stratovolcano ·Elevation: 2'140 m ·United States
  • Fourpeaked
    Distance: 81 km ·Stratovolcano ·Elevation: 2'105 m ·Last eruption: 2006 ·United States
  • Kaguyak
    Distance: 103 km ·Lava dome(s) ·Elevation: 901 m ·Last eruption: -3850 ·United States
  • Redoubt
    Distance: 118 km ·Stratovolcano ·Elevation: 3'108 m ·Last eruption: 2009 ·United States

Radius · 50 km

Nearby infrastructure

Up to 3 nearest sites per category

Airports

  • Pedro Bay AirportUnited States · PDB · 4K0
    49.1 kmStraight-line distance

Source: OurAirports · Dataset date: 2026-09-22

This selection shows geographic proximity, not a hazard zone or confirmed impacts. Distances use recorded site coordinates. Sources & data dates

Alaska

Context for this earthquake

22 Sep 2025 – 22 Sep 2026 · M ≥ 2.0 · 4,126 Catalogue entries

Of 4,125 other entries for this area and period, 1,611 have a higher stored magnitude. Different magnitude types and reports not yet merged limit the comparison.

Open seismic profile

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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