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M4.2 Depth: 0.5 km

M4.2 Earthquake near 148 km NNE of Ambler, Alaska (United States)

UTC time: 2025-12-10 22:17:12 UTC Local time: —

About this earthquake

On December 10, 2025 at 22:17 UTC, a magnitude M4.2 earthquake occurred near 148 km NNE of Ambler, Alaska (United States). With a focal depth of about 1 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Tremors of this size are distinctly felt and can occasionally cause light damage.

The event was recorded by USGS. United States: over the past 24 hours, QuakeMap24 logged 178 earthquakes, the strongest at M3.0.

Details

Magnitude
M4.2
Depth
0.5 km
UTC time
2025-12-10 22:17:12 UTC
Local time
—
Country
United States
City
Alaska
Source
usgs
Coordinates
68.30800, -156.46200
Temperature
-28.2°C

Map

Depth profile

Depth profile Depth: 0.5 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 0.5 km
Shallow
0.5 km
0.5 km — shallower than the regional average (15.6 km)
Regional average: 15.6 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

  • Imuruk Lake
    Distance: 434 km ·Volcanic field ·Elevation: 610 m ·Last eruption: 300 ·United States

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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