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M2.5 Depth: 18.0 km

M2.5 Earthquake near Unorganized Borough (United States)

UTC time: 2025-12-05 18:52:22 UTC Local time: —

About this earthquake

A magnitude M2.5 earthquake was recorded near Unorganized Borough (United States) on December 5, 2025 at 18:52 UTC. The hypocenter lay relatively close to the surface at around 18 km, increasing how strongly it was felt. Events of this size typically go unnoticed.

The data is provided by ISC and cross-checked across seismological networks. United States: over the past 24 hours, QuakeMap24 logged 242 earthquakes, the strongest at M5.0.

Details

Magnitude
M2.5
Depth
18.0 km
UTC time
2025-12-05 18:52:22 UTC
Local time
—
Country
United States
City
Unorganized Borough
Source
isc
Coordinates
61.03200, -148.24900
Temperature
-1.1°C

Map

Depth profile

Depth profile Depth: 18 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 18 km
Shallow
18 km
18 km — close to 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

  • Spurr
    Distance: 217 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States
  • Hayes
    Distance: 232 km ·Stratovolcano ·Elevation: 3'034 m ·Last eruption: 1200 ·United States
  • Wrangell
    Distance: 249 km ·Shield ·Elevation: 4'278 m ·Last eruption: 1912 ·United States
  • Redoubt
    Distance: 251 km ·Stratovolcano ·Elevation: 3'108 m ·Last eruption: 2009 ·United States
  • Iliamna
    Distance: 287 km ·Stratovolcano ·Elevation: 3'053 m ·Last eruption: 1876 ·United States
  • Buzzard Creek
    Distance: 337 km ·Tuff ring(s) ·Elevation: 830 m ·Last eruption: -1050 ·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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