Back to map
M4.5 Depth: 36.5 km

M4.5 Earthquake near 176 km SW of Nikolski, Alaska

UTC time: 2025-09-13 22:29:58 UTC Local time: —

About this earthquake

On September 13, 2025 at 22:29 UTC, a magnitude M4.5 earthquake occurred near 176 km SW of Nikolski, Alaska. With a focal depth of about 36 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Earthquakes of this magnitude are clearly felt; minor damage to vulnerable buildings is possible.

The event was recorded by USGS.

Details

Magnitude
M4.5
Depth
36.5 km
UTC time
2025-09-13 22:29:58 UTC
Local time
—
Country
—
Source
usgs
Coordinates
51.85290, -170.75860
Temperature
9.0°C

Map

Depth profile

Depth profile Depth: 36.5 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 36.5 km
Shallow
36.5 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

  • Amukta
    Distance: 79 km ·Stratovolcano ·Elevation: 1'066 m ·Last eruption: 1996 ·United States
  • Chagulak
    Distance: 84 km ·Stratovolcano ·Elevation: 1'028 m ·United States
  • Yunaska
    Distance: 88 km ·Shield ·Elevation: 550 m ·Last eruption: 1937 ·United States
  • Herbert
    Distance: 108 km ·Stratovolcano ·Elevation: 1'280 m ·United States
  • Cleveland
    Distance: 121 km ·Stratovolcano ·Elevation: 1'730 m ·Last eruption: 2020 ·United States
  • Carlisle
    Distance: 125 km ·Stratovolcano ·Elevation: 1'620 m ·Last eruption: 1828 ·United States

Stats (last 24h)

Global (24h)
593
Country (24h)
—
—
Current earthquakes in
Magnitude Place Local time
No recent events available.

Share