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M3.9 Earthquake near 234 km ESE of Attu Station, Alaska

UTC time: 2026-04-03 04:27:55 UTC Local time: —
Magnitude
M3.9
Depth
5.0 km
Source
USGS

234 km ESE of Attu Station, Alaska

Map

About this earthquake

A magnitude M3.9 earthquake was recorded near 234 km ESE of Attu Station, Alaska on April 3, 2026 at 04:27 UTC. The hypocenter lay relatively close to the surface at around 5 km, increasing how strongly it was felt. Shaking of this size is frequently noticed but usually harmless.

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

Details

ID
06acef6a0659d9e0d23691031fa36eebed3cbf95
Magnitude
M3.9
Depth
5.0 km
UTC time
2026-04-03 04:27:55 UTC
Local time
—
Country
—
Source
usgs
Coordinates
51.77500, 176.14000
Temperature
2.5°C

Depth profile

Depth profile Depth: 5 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 5 km
Shallow
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

  • Buldir
    Distance: 66 km ·Stratovolcano ·Elevation: 656 m ·United States
  • Kiska
    Distance: 107 km ·Stratovolcano ·Elevation: 1'220 m ·Last eruption: 1990 ·United States
  • Segula
    Distance: 140 km ·Stratovolcano ·Elevation: 1'160 m ·United States
  • Davidof
    Distance: 152 km ·Stratovolcano ·Elevation: 328 m ·United States
  • Little Sitkin
    Distance: 166 km ·Stratovolcano ·Elevation: 1'174 m ·Last eruption: 1830 ·United States
  • Semisopochnoi
    Distance: 237 km ·Stratovolcano ·Elevation: 1'221 m ·Last eruption: 2023 ·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)
636
Country (24h)
—
—
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