M4.7 Earthquake near 299 km WSW of Adak, Alaska

UTC time: 2026-04-20 09:54:45 UTC Local time: —

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

M4.7

Depth: 33.3 km
Source: USGS

299 km WSW of Adak, Alaska

Map

About this earthquake

A magnitude M4.7 earthquake was recorded near 299 km WSW of Adak, Alaska on April 20, 2026 at 09:54 UTC. The hypocenter lay relatively close to the surface at around 33 km, increasing how strongly it was felt. Earthquakes of this magnitude are clearly felt; minor damage to vulnerable buildings is possible.

The event was recorded by USGS.

Details

ef38779c096a8c03fbbe1d7cd127ce668202d395

Magnitude

M4.7

Depth

33.3 km

UTC time

2026-04-20 09:54:45 UTC

Local time

—

Country

—

Source

usgs

Coordinates

51.07800, 179.24200

Temperature

5.3°C

Depth profile

Shallow

33.3 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

Semisopochnoi

Distance: 98 km ·Stratovolcano ·Elevation: 1'221 m ·Last eruption: 2023 ·United States
Little Sitkin

Distance: 108 km ·Stratovolcano ·Elevation: 1'174 m ·Last eruption: 1830 ·United States
Davidof

Distance: 118 km ·Stratovolcano ·Elevation: 328 m ·United States
Segula

Distance: 129 km ·Stratovolcano ·Elevation: 1'160 m ·United States
Kiska

Distance: 161 km ·Stratovolcano ·Elevation: 1'220 m ·Last eruption: 1990 ·United States
Buldir

Distance: 270 km ·Stratovolcano ·Elevation: 656 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)

621

Country (24h)

—

Current earthquakes in

Magnitude Place Local time

No recent events available.