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M3.0 Depth: 93.4 km

M3.0 Earthquake near 69 km W of Nanwalek, Alaska (United States)

UTC time: 2025-12-16 21:09:41 UTC Local time: —

About this earthquake

On December 16, 2025 at 21:09 UTC, a magnitude M3.0 earthquake occurred near 69 km W of Nanwalek, Alaska (United States). At around 93 km, the focal depth places this among intermediate-depth events. Earthquakes of this magnitude are often felt but rarely cause damage.

The data is provided by USGS and cross-checked across seismological networks. United States: over the past 24 hours, QuakeMap24 logged 224 earthquakes, the strongest at M5.3.

Details

Magnitude
M3.0
Depth
93.4 km
UTC time
2025-12-16 21:09:41 UTC
Local time
—
Country
United States
City
Alaska
Source
usgs
Coordinates
59.28800, -153.13100
Temperature
-3.8°C

Map

Depth profile

Depth profile Depth: 93.4 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 93.4 km
Intermediate
93.4 km
93.4 km — deeper than the regional average (15.7 km)
Regional average: 15.7 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: 19 km ·Lava dome(s) ·Elevation: 1'218 m ·Last eruption: 2006 ·United States
  • Douglas
    Distance: 54 km ·Stratovolcano ·Elevation: 2'140 m ·United States
  • Fourpeaked
    Distance: 65 km ·Stratovolcano ·Elevation: 2'105 m ·Last eruption: 2006 ·United States
  • Iliamna
    Distance: 83 km ·Stratovolcano ·Elevation: 3'053 m ·Last eruption: 1876 ·United States
  • Kaguyak
    Distance: 91 km ·Lava dome(s) ·Elevation: 901 m ·Last eruption: -3850 ·United States
  • Kukak
    Distance: 116 km ·Stratovolcano ·Elevation: 2'043 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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