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United States

M4.1 Earthquake near 52 km SW of Nikolski, Alaska (United States)

UTC time: 2025-07-26 06:20:32 UTC Local time: —

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About this earthquake

A magnitude M4.1 earthquake was recorded near 52 km SW of Nikolski, Alaska (United States) on July 26, 2025 at 06:20 UTC. The hypocenter lay relatively close to the surface at around 49 km, increasing how strongly it was felt. Earthquakes of this magnitude are clearly felt; minor damage to vulnerable buildings is possible.

The data is provided by USGS and cross-checked across seismological networks. United States: 156 earthquakes were recorded in the past 24 hours, the strongest reaching M3.6.

Details

ID
77b87d1291830d179f3b283b0a9cccacf836f1a8
Magnitude
M4.1
Depth
49.3 km
UTC time
2025-07-26 06:20:32 UTC
Local time
—
Country
United States
City
Alaska
Source
usgs
Coordinates
52.56780, -169.33210
Temperature
9.9°C

Depth profile

Depth profile Depth: 49.3 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 49.3 km
Shallow
49.3 km
49.3 km — deeper than the regional average (15.2 km)
Regional average: 15.2 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

  • Tana
    Distance: 41 km ·Stratovolcano(es) ·Elevation: 1'170 m ·United States
  • Cleveland
    Distance: 50 km ·Stratovolcano ·Elevation: 1'730 m ·Last eruption: 2020 ·United States
  • Kagamil
    Distance: 52 km ·Stratovolcano ·Elevation: 893 m ·Last eruption: 1929 ·United States
  • Herbert
    Distance: 56 km ·Stratovolcano ·Elevation: 1'280 m ·United States
  • Carlisle
    Distance: 61 km ·Stratovolcano ·Elevation: 1'620 m ·Last eruption: 1828 ·United States
  • Uliaga
    Distance: 63 km ·Stratovolcano ·Elevation: 888 m ·United States

Alaska

Context for this earthquake

04 Oct 2025 – 04 Oct 2026 · M ≥ 3.0 · 653 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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