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M2.1 Depth: 55.3 km

M2.1 Earthquake near 55 km N of Chase, Alaska (United States)

UTC time: 2025-10-15 15:59:06 UTC Local time: —

About this earthquake

A magnitude M2.1 earthquake was recorded near 55 km N of Chase, Alaska (United States) on October 15, 2025 at 15:59 UTC. The hypocenter lay relatively close to the surface at around 55 km, increasing how strongly it was felt. Events of this size typically go unnoticed.

The data is provided by USGS and cross-checked across seismological networks. United States: 200 earthquakes were recorded in the past 24 hours, the strongest reaching M5.5.

Details

Magnitude
M2.1
Depth
55.3 km
UTC time
2025-10-15 15:59:06 UTC
Local time
—
Country
United States
City
Alaska
Source
usgs
Coordinates
62.94010, -149.98210
Temperature
-3.0°C

Map

Depth profile

Depth profile Depth: 55.3 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 55.3 km
Shallow
55.3 km
55.3 km — deeper than the regional average (15.4 km)
Regional average: 15.4 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

  • Buzzard Creek
    Distance: 146 km ·Tuff ring(s) ·Elevation: 830 m ·Last eruption: -1050 ·United States
  • Hayes
    Distance: 191 km ·Stratovolcano ·Elevation: 3'034 m ·Last eruption: 1200 ·United States
  • Spurr
    Distance: 217 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States
  • Redoubt
    Distance: 309 km ·Stratovolcano ·Elevation: 3'108 m ·Last eruption: 2009 ·United States
  • Wrangell
    Distance: 324 km ·Shield ·Elevation: 4'278 m ·Last eruption: 1912 ·United States
  • Iliamna
    Distance: 363 km ·Stratovolcano ·Elevation: 3'053 m ·Last eruption: 1876 ·United States

Historic earthquake map · United States

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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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