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M1.7 Depth: 151.2 km

M1.7 Earthquake near 29 km ENE of Pedro Bay, Alaska (United States)

UTC time: 2025-12-09 12:38:15 UTC Local time: —

About this earthquake

On December 9, 2025 at 12:38 UTC, a magnitude M1.7 earthquake occurred near 29 km ENE of Pedro Bay, Alaska (United States). At around 151 km, the focal depth places this among intermediate-depth events. Events of this size typically go unnoticed.

The data is provided by USGS and cross-checked across seismological networks. United States: 192 earthquakes were recorded in the past 24 hours, the strongest reaching M4.7.

Details

Magnitude
M1.7
Depth
151.2 km
UTC time
2025-12-09 12:38:15 UTC
Local time
—
Country
United States
City
Alaska
Source
usgs
Coordinates
59.85000, -153.59600
Temperature
-11.4°C

Map

Depth profile

Depth profile Depth: 151.2 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 151.2 km
Intermediate
151.2 km
151.2 km — deeper than the regional average (15.6 km)
Regional average: 15.6 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: 35 km ·Stratovolcano ·Elevation: 3'053 m ·Last eruption: 1876 ·United States
  • Augustine
    Distance: 55 km ·Lava dome(s) ·Elevation: 1'218 m ·Last eruption: 2006 ·United States
  • Redoubt
    Distance: 85 km ·Stratovolcano ·Elevation: 3'108 m ·Last eruption: 2009 ·United States
  • Douglas
    Distance: 111 km ·Stratovolcano ·Elevation: 2'140 m ·United States
  • Fourpeaked
    Distance: 120 km ·Stratovolcano ·Elevation: 2'105 m ·Last eruption: 2006 ·United States
  • Kaguyak
    Distance: 140 km ·Lava dome(s) ·Elevation: 901 m ·Last eruption: -3850 ·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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