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M1.8 Depth: 33.9 km

M1.8 Earthquake near 46 km SSE of Nelchina, Alaska (United States)

UTC time: 2025-12-29 05:02:25 UTC Local time: —

About this earthquake

A magnitude M1.8 earthquake was recorded near 46 km SSE of Nelchina, Alaska (United States) on December 29, 2025 at 05:02 UTC. The hypocenter lay relatively close to the surface at around 34 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: over the past 24 hours, QuakeMap24 logged 178 earthquakes, the strongest at M4.3.

Details

Magnitude
M1.8
Depth
33.9 km
UTC time
2025-12-29 05:02:25 UTC
Local time
—
Country
United States
City
Alaska
Source
usgs
Coordinates
61.62500, -146.35800
Temperature
-31.2°C

Map

Depth profile

Depth profile Depth: 33.9 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 33.9 km
Shallow
33.9 km
33.9 km — deeper 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

  • Wrangell
    Distance: 130 km ·Shield ·Elevation: 4'278 m ·Last eruption: 1912 ·United States
  • Churchill
    Distance: 246 km ·Stratovolcano ·Elevation: 5'005 m ·Last eruption: 847 ·United States
  • Buzzard Creek
    Distance: 291 km ·Tuff ring(s) ·Elevation: 830 m ·Last eruption: -1050 ·United States
  • Spurr
    Distance: 315 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States
  • Hayes
    Distance: 320 km ·Stratovolcano ·Elevation: 3'034 m ·Last eruption: 1200 ·United States
  • Redoubt
    Distance: 366 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.

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