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M4.8 Earthquake near 189 km E of Atka, Alaska

UTC time: 2025-11-09 09:36:49 UTC Local time: —
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Archive record · original publication time was not recorded

Automatically generated from measurement data by QuakeMap24. Values may change after further analysis. How our reports are produced ↗

Magnitude
M4.8
Depth
3.4 km
Source
USGS

189 km E of Atka, Alaska

Map

About this earthquake

A magnitude M4.8 earthquake was recorded near 189 km E of Atka, Alaska on November 9, 2025 at 09:36 UTC. The hypocenter lay relatively close to the surface at around 3 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.

Details

ID
28ec597e2aca6326fb2cf927cb8bd9d09ed75a86
Magnitude
M4.8
Depth
3.4 km
UTC time
2025-11-09 09:36:49 UTC
Local time
—
Country
—
Source
usgs
Coordinates
52.17780, -171.42950
Temperature
6.8°C

Depth profile

Depth profile Depth: 3.4 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 3.4 km
Shallow
3.4 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: 38 km ·Stratovolcano ·Elevation: 1'066 m ·Last eruption: 1996 ·United States
  • Chagulak
    Distance: 48 km ·Stratovolcano ·Elevation: 1'028 m ·United States
  • Yunaska
    Distance: 75 km ·Shield ·Elevation: 550 m ·Last eruption: 1937 ·United States
  • Seguam
    Distance: 75 km ·Stratovolcano(es) ·Elevation: 1'054 m ·Last eruption: 1993 ·United States
  • Herbert
    Distance: 109 km ·Stratovolcano ·Elevation: 1'280 m ·United States
  • Carlisle
    Distance: 122 km ·Stratovolcano ·Elevation: 1'620 m ·Last eruption: 1828 ·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)
498
Country (24h)
—
—
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