Back to map
M3.0 Depth: 53.8 km

M3.0 Earthquake near 12 km SSW of Port Graham, Alaska (United States)

UTC time: 2025-12-07 15:04:07 UTC Local time: —

About this earthquake

On December 7, 2025 at 15:04 UTC, a magnitude M3.0 earthquake occurred near 12 km SSW of Port Graham, Alaska (United States). The hypocenter lay relatively close to the surface at around 54 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: 209 earthquakes were recorded in the past 24 hours, the strongest reaching M5.1.

Details

Magnitude
M3.0
Depth
53.8 km
UTC time
2025-12-07 15:04:07 UTC
Local time
—
Country
United States
City
Alaska
Source
usgs
Coordinates
59.24149, -151.88658
Temperature
-1.8°C

Map

Depth profile

Depth profile Depth: 53.8 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 53.8 km
Shallow
53.8 km
53.8 km — deeper 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

  • Augustine
    Distance: 89 km ·Lava dome(s) ·Elevation: 1'218 m ·Last eruption: 2006 ·United States
  • Douglas
    Distance: 104 km ·Stratovolcano ·Elevation: 2'140 m ·United States
  • Iliamna
    Distance: 111 km ·Stratovolcano ·Elevation: 3'053 m ·Last eruption: 1876 ·United States
  • Fourpeaked
    Distance: 115 km ·Stratovolcano ·Elevation: 2'105 m ·Last eruption: 2006 ·United States
  • Kaguyak
    Distance: 141 km ·Lava dome(s) ·Elevation: 901 m ·Last eruption: -3850 ·United States
  • Redoubt
    Distance: 146 km ·Stratovolcano ·Elevation: 3'108 m ·Last eruption: 2009 ·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.

Share