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M4.2 Earthquake near 117 km SW of Nikolski, Alaska

UTC time: 2025-09-03 20:07:42 UTC Local time: —
Magnitude
M4.2
Depth
34.7 km
Source
USGS

117 km SW of Nikolski, Alaska

Map

About this earthquake

A magnitude M4.2 earthquake was recorded near 117 km SW of Nikolski, Alaska on September 3, 2025 at 20:07 UTC. The hypocenter lay relatively close to the surface at around 35 km, increasing how strongly it was felt. Tremors of this size are distinctly felt and can occasionally cause light damage.

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

Details

ID
4e0e7bc6154500488d9aaa960119080925e8b2a5
Magnitude
M4.2
Depth
34.7 km
UTC time
2025-09-03 20:07:42 UTC
Local time
—
Country
—
Source
usgs
Coordinates
52.21450, -170.11270
Temperature
11.1°C

Depth profile

Depth profile Depth: 34.7 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 34.7 km
Shallow
34.7 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

  • Herbert
    Distance: 59 km ·Stratovolcano ·Elevation: 1'280 m ·United States
  • Yunaska
    Distance: 59 km ·Shield ·Elevation: 550 m ·Last eruption: 1937 ·United States
  • Cleveland
    Distance: 69 km ·Stratovolcano ·Elevation: 1'730 m ·Last eruption: 2020 ·United States
  • Tana
    Distance: 72 km ·Stratovolcano(es) ·Elevation: 1'170 m ·United States
  • Carlisle
    Distance: 76 km ·Stratovolcano ·Elevation: 1'620 m ·Last eruption: 1828 ·United States
  • Chagulak
    Distance: 80 km ·Stratovolcano ·Elevation: 1'028 m ·United States

No unambiguous area assignment

Context for this earthquake

This event has no unambiguous country assignment in the analysed catalogue. It is therefore not assigned to a regional profile.

Earthquake overview

Stats (last 24h)

Global (24h)
510
Country (24h)
—
—
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