M3.2 Depth: 6.3 km

M3.2 Earthquake near 28 km E of Mud Bay, Alaska (United States)

UTC time: 2025-12-16 17:50:07 UTC Local time: —

About this earthquake

On December 16, 2025 at 17:50 UTC, a magnitude M3.2 earthquake occurred near 28 km E of Mud Bay, Alaska (United States). The hypocenter lay relatively close to the surface at around 6 km, increasing how strongly it was felt. 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: 227 earthquakes were recorded in the past 24 hours, the strongest reaching M5.3.

Details

Magnitude

M3.2

Depth

6.3 km

UTC time

2025-12-16 17:50:07 UTC

Local time

—

Country

United States

City

Alaska

Source

usgs

Coordinates

59.13600, -134.87700

Temperature

-12.3°C

Map

Depth profile

Shallow

6.3 km

6.3 km — shallower than the regional average (15.7 km)

Regional average: 15.7 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

Atlin Volcanic Field

Distance: 107 km ·Pyroclastic cone(s) ·Elevation: 1'880 m ·Canada
Alligator Lake

Distance: 146 km ·Volcanic field ·Elevation: 2'217 m ·Canada
Heart Peaks

Distance: 177 km ·Shield ·Elevation: 2'012 m ·Canada
Level Mountain

Distance: 218 km ·Shield ·Elevation: 2'164 m ·Canada
Edgecumbe

Distance: 238 km ·Volcanic field ·Elevation: 970 m ·Last eruption: -2080 ·United States
Tuya Volcanic Field

Distance: 246 km ·Volcanic field ·Elevation: 2'123 m ·Canada

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.

Stats (last 24h)

Global (24h)

688

Country (24h)