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M4.9 Earthquake near 22 km NNW of Atka, Alaska

UTC time: 2025-03-28 16:08:49 UTC Local time: —
Earthquake newsQuakeMap24
Archive record · original publication time was not recorded

Automatically generated from measurement data by QuakeMap24. Values may change after further analysis.

Magnitude
M4.9
Depth
124.6 km
Source
USGS

22 km NNW of Atka, Alaska

Map

About this earthquake

A magnitude M4.9 earthquake was recorded near 22 km NNW of Atka, Alaska on March 28, 2025 at 16:08 UTC. The earthquake originated at an intermediate depth of about 125 km. Tremors of this size are distinctly felt and can occasionally cause light damage.

The event was recorded by USGS.

Details

ID
74d7bbbbd81051cad0d88122539618f171c508c8
Magnitude
M4.9
Depth
124.6 km
UTC time
2025-03-28 16:08:49 UTC
Local time
—
Country
—
Source
usgs
Coordinates
52.37730, -174.34260

Depth profile

Depth profile Depth: 124.6 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 124.6 km
Intermediate
124.6 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

  • Atka Volcanic Complex
    Distance: 15 km ·Stratovolcano(es) ·Elevation: 1'518 m ·Last eruption: 2025 ·United States
  • Koniuji
    Distance: 56 km ·Stratovolcano ·Elevation: 273 m ·Last eruption: -1150 ·United States
  • Kasatochi
    Distance: 82 km ·Stratovolcano ·Elevation: 314 m ·Last eruption: 2008 ·United States
  • Seguam
    Distance: 125 km ·Stratovolcano(es) ·Elevation: 1'054 m ·Last eruption: 1993 ·United States
  • Great Sitkin WATCH · ORANGE
    Distance: 126 km ·Stratovolcano ·Elevation: 1'740 m ·Last eruption: 2026 ·United States
  • Moffett
    Distance: 171 km ·Stratovolcano ·Elevation: 1'196 m ·Last eruption: -1600 ·United States

Radius · 50 km

Nearby infrastructure

Up to 3 nearest sites per category

Airports

  • Atka AirportUnited States · AKB · PAAK
    19.8 kmStraight-line distance

Source: OurAirports · Dataset date: 2026-10-04

This selection shows geographic proximity, not a hazard zone or confirmed impacts. Distances use recorded site coordinates. Sources & data dates

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)
500
Country (24h)
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