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United States

M2.1 Earthquake near 69 km ENE of Port Alsworth, Alaska (United States)

UTC time: 2025-02-06 19:02:21 UTC Local time: —
Magnitude
M2.1
Depth
135.4 km
Source
USGS

69 km ENE of Port Alsworth, Alaska

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About this earthquake

On February 6, 2025 at 19:02 UTC, a magnitude M2.1 earthquake occurred near 69 km ENE of Port Alsworth, Alaska (United States). At around 135 km, the focal depth places this among intermediate-depth events. Events of this size typically go unnoticed.

The data is provided by USGS and cross-checked across seismological networks. United States: over the past 24 hours, QuakeMap24 logged 148 earthquakes, the strongest at M4.0.

Details

ID
425286b0c95998ae8b282305a6dbb34656c3a623
Magnitude
M2.1
Depth
135.4 km
UTC time
2025-02-06 19:02:21 UTC
Local time
—
Country
United States
Source
usgs
Coordinates
60.36460, -153.10540
Temperature
-4.3°C

Depth profile

Depth profile Depth: 135.4 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 135.4 km
Intermediate
135.4 km
135.4 km — deeper than the regional average (15.3 km)
Regional average: 15.3 km
Why depth matters

Intermediate-depth quakes are felt across a wider area but usually cause less surface damage.

Depth classes per USGS

Volcanoes nearby

  • Redoubt
    Distance: 24 km ·Stratovolcano ·Elevation: 3'108 m ·Last eruption: 2009 ·United States
  • Iliamna
    Distance: 37 km ·Stratovolcano ·Elevation: 3'053 m ·Last eruption: 1876 ·United States
  • Augustine
    Distance: 113 km ·Lava dome(s) ·Elevation: 1'218 m ·Last eruption: 2006 ·United States
  • Spurr
    Distance: 114 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States
  • Hayes
    Distance: 147 km ·Stratovolcano ·Elevation: 3'034 m ·Last eruption: 1200 ·United States
  • Douglas
    Distance: 170 km ·Stratovolcano ·Elevation: 2'140 m ·United States

United States

Context for this earthquake

06 Sep 2025 – 06 Sep 2026 · M ≥ 2.0 · 11,561 Catalogue entries

Sufficiently reliable matching data are not currently available for a direct comparison. The area profile shows the available records and their limitations.

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Historic earthquake map · United States

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Country statistics · United States

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View earthquake KPIs, strongest and latest events, and averages for this country.

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