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M3.9 Earthquake near 236 km SE of Attu Station, Alaska

UTC time: 2026-04-30 19:17:10 UTC Local time: —
Magnitude
M3.9
Depth
30.0 km
Source
USGS

236 km SE of Attu Station, Alaska

Map

About this earthquake

On April 30, 2026 at 19:17 UTC, a magnitude M3.9 earthquake occurred near 236 km SE of Attu Station, Alaska. The hypocenter lay relatively close to the surface at around 30 km, increasing how strongly it was felt. Shaking of this size is frequently noticed but usually harmless.

The event was recorded by USGS.

Details

ID
b9e0718ac77ccf50c378e89e3f5dff4dfa993f1c
Magnitude
M3.9
Depth
30.0 km
UTC time
2026-04-30 19:17:10 UTC
Local time
—
Country
—
Source
usgs
Coordinates
51.67300, 176.07400

Depth profile

Depth profile Depth: 30 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 30 km
Shallow
30 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: 76 km ·Stratovolcano ·Elevation: 656 m ·United States
  • Kiska
    Distance: 115 km ·Stratovolcano ·Elevation: 1'220 m ·Last eruption: 1990 ·United States
  • Segula
    Distance: 147 km ·Stratovolcano ·Elevation: 1'160 m ·United States
  • Davidof
    Distance: 159 km ·Stratovolcano ·Elevation: 328 m ·United States
  • Little Sitkin
    Distance: 172 km ·Stratovolcano ·Elevation: 1'174 m ·Last eruption: 1830 ·United States
  • Semisopochnoi
    Distance: 243 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)
613
Country (24h)
—
—
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