Back to map
M5.1 Depth: 71.0 km

M5.1 Earthquake near 99 km SSW of Nikolski, Alaska

UTC time: 2025-09-04 19:01:15 UTC Local time: —

About this earthquake

A magnitude M5.1 earthquake was recorded near 99 km SSW of Nikolski, Alaska on September 4, 2025 at 19:01 UTC. The earthquake originated at an intermediate depth of about 71 km. Earthquakes of this magnitude can damage poorly built structures.

The data is provided by USGS and cross-checked across seismological networks.

Details

Magnitude
M5.1
Depth
71.0 km
UTC time
2025-09-04 19:01:15 UTC
Local time
—
Country
—
Source
usgs
Coordinates
52.09500, -169.34000
Temperature
12.3°C

Map

Depth profile

Depth profile Depth: 71 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 71 km
Intermediate
71 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

  • Tana
    Distance: 87 km ·Stratovolcano(es) ·Elevation: 1'170 m ·United States
  • Herbert
    Distance: 89 km ·Stratovolcano ·Elevation: 1'280 m ·United States
  • Cleveland
    Distance: 91 km ·Stratovolcano ·Elevation: 1'730 m ·Last eruption: 2020 ·United States
  • Kagamil
    Distance: 101 km ·Stratovolcano ·Elevation: 893 m ·Last eruption: 1929 ·United States
  • Carlisle
    Distance: 101 km ·Stratovolcano ·Elevation: 1'620 m ·Last eruption: 1828 ·United States
  • Yunaska
    Distance: 107 km ·Shield ·Elevation: 550 m ·Last eruption: 1937 ·United States

Subsequent earthquakes nearby

Events recorded after this earthquake within 150 km. They are not automatically classified as aftershocks.

First 6 hours4
First 24 hours4
First 72 hours9
Strongest subsequent eventM5.6
M5.12025-09-04 19:54:23 UTC26.1 kmFOX ISLANDS, ALEUTIAN ISLANDS M5.22025-09-04 19:54:24 UTC40.7 kmFox Islands, Aleutian Islands M5.02025-09-04 19:54:24 UTC47.5 kmEvent of magnitude 5.0, near of Anchorage (Monde) M5.02025-09-04 19:54:25 UTC37.5 km124 km S of Nikolski, Alaska M5.42025-09-06 20:40:39 UTC43.3 kmFox Islands, Aleutian Islands M5.32025-09-06 20:40:40 UTC31.5 km M5.42025-09-06 20:40:41 UTC31.5 kmFOX ISLANDS, ALEUTIAN ISLANDS M5.22025-09-06 20:40:44 UTC32.4 km79 km SW of Nikolski, Alaska M5.02025-09-06 20:40:55 UTC49.1 kmFox Islands, Aleutian Islands M4.72025-09-13 22:29:54 UTC112.9 kmFox Islands, Aleutian Islands M4.52025-09-13 22:29:58 UTC100.8 km176 km SW of Nikolski, Alaska M5.62025-09-16 09:02:35 UTC31.3 km

Historical context nearby

Comparison with recorded earthquakes before this event within 150 km.

Magnitude rank#15
Earlier events M≥440
Earlier events M≥516
Compared since2025-01-13

The QuakeMap24 comparison dataset begins on 2024-03-23. Earlier earthquakes may not be included.

Strongest earlier events

M6.02025-09-03 20:57:47 UTC35.1 km87 km SW of Nikolski, Alaska M5.92025-09-03 20:57:50 UTC19.9 kmFox Islands, Aleutian Islands, United States [Sea: United States] M5.82025-09-03 20:57:51 UTC133.1 kmFox Islands, Aleutian Islands M5.82025-09-03 20:57:52 UTC15.9 km96 km SSW of Nikolski, Alaska M5.82025-09-03 20:57:48 UTC38.6 kmFox Islands, Aleutian Islands

Stats (last 24h)

Global (24h)
609
Country (24h)
—
—
Current earthquakes in
Magnitude Place Local time
No recent events available.

Share