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M1.5 Depth: 6.3 km

M1.5 Earthquake near 41 km NNW of Sutton-Alpine, Alaska (United States)

UTC time: 2025-12-18 01:28:15 UTC Local time: —

About this earthquake

On December 18, 2025 at 01:28 UTC, a magnitude M1.5 earthquake occurred near 41 km NNW of Sutton-Alpine, Alaska (United States). The hypocenter lay relatively close to the surface at around 6 km, increasing how strongly it was felt. 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: 223 earthquakes were recorded in the past 24 hours, the strongest reaching M4.9.

Details

Magnitude
M1.5
Depth
6.3 km
UTC time
2025-12-18 01:28:15 UTC
Local time
—
Country
United States
City
Alaska
Source
usgs
Coordinates
62.13000, -149.00500
Temperature
-14.8°C

Map

Depth profile

Depth profile Depth: 6.3 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 6.3 km
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

  • Hayes
    Distance: 187 km ·Stratovolcano ·Elevation: 3'034 m ·Last eruption: 1200 ·United States
  • Spurr
    Distance: 194 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States
  • Buzzard Creek
    Distance: 217 km ·Tuff ring(s) ·Elevation: 830 m ·Last eruption: -1050 ·United States
  • Wrangell
    Distance: 260 km ·Shield ·Elevation: 4'278 m ·Last eruption: 1912 ·United States
  • Redoubt
    Distance: 271 km ·Stratovolcano ·Elevation: 3'108 m ·Last eruption: 2009 ·United States
  • Iliamna
    Distance: 320 km ·Stratovolcano ·Elevation: 3'053 m ·Last eruption: 1876 ·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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