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United States

M0.7 Earthquake near 144 km W of Adak, Alaska (United States)

UTC time: 2025-12-16 22:35:23 UTC Local time: —

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About this earthquake

On December 16, 2025 at 22:35 UTC, a magnitude M0.7 earthquake occurred near 144 km W of Adak, Alaska (United States). With a focal depth of about 9 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. 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: 160 earthquakes were recorded in the past 24 hours, the strongest reaching M3.6.

Details

ID
582952a5cae381c810dfde29c0d5c842ae38f5f1
Magnitude
M0.7
Depth
9.2 km
UTC time
2025-12-16 22:35:23 UTC
Local time
—
Country
United States
City
Alaska
Source
usgs
Coordinates
51.85233, -178.72900
Temperature
4.6°C

Depth profile

Depth profile Depth: 9.2 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 9.2 km
Shallow
9.2 km
9.2 km — shallower than the regional average (15.2 km)
Regional average: 15.2 km
Why depth matters

Shallow quakes release energy near the surface — shaking is felt more strongly and damage potential is higher.

Depth classes per USGS

Volcanoes nearby

  • Gareloi ADVISORY · YELLOW
    Distance: 8 km ·Stratovolcano ·Elevation: 1'573 m ·Last eruption: 1989 ·United States
  • Tanaga
    Distance: 40 km ·Stratovolcano(es) ·Elevation: 1'806 m ·Last eruption: 1914 ·United States
  • Takawangha
    Distance: 50 km ·Stratovolcano ·Elevation: 1'449 m ·Last eruption: 1550 ·United States
  • Bobrof
    Distance: 89 km ·Stratovolcano ·Elevation: 738 m ·United States
  • Kanaga
    Distance: 107 km ·Stratovolcano ·Elevation: 1'307 m ·Last eruption: 2023 ·United States
  • Moffett
    Distance: 136 km ·Stratovolcano ·Elevation: 1'196 m ·Last eruption: -1600 ·United States

Alaska

Context for this earthquake

04 Oct 2025 – 04 Oct 2026 · M ≥ 2.0 · 4,147 Catalogue entries

Sufficiently reliable matching data are not currently available for a direct comparison. The area profile shows the available records and their limitations.

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Historic earthquake map · United States

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Country statistics · United States

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