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M4.3 Earthquake near 259 km SE of Attu Station, Alaska

UTC time: 2026-04-06 04:21:30 UTC Local time: —
Magnitude
M4.3
Depth
36.0 km
Source
USGS

259 km SE of Attu Station, Alaska

Map

About this earthquake

On April 6, 2026 at 04:21 UTC, a magnitude M4.3 earthquake occurred near 259 km SE of Attu Station, Alaska. With a focal depth of about 36 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Tremors of this size are distinctly felt and can occasionally cause light damage.

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

Details

ID
827001efc3f3c65afdcde4323610d4fca7e4661b
Magnitude
M4.3
Depth
36.0 km
UTC time
2026-04-06 04:21:30 UTC
Local time
—
Country
—
Source
usgs
Coordinates
51.34880, 176.08860
Temperature
3.6°C

Depth profile

Depth profile Depth: 36 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 36 km
Shallow
36 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: 112 km ·Stratovolcano ·Elevation: 656 m ·United States
  • Kiska
    Distance: 134 km ·Stratovolcano ·Elevation: 1'220 m ·Last eruption: 1990 ·United States
  • Segula
    Distance: 159 km ·Stratovolcano ·Elevation: 1'160 m ·United States
  • Davidof
    Distance: 169 km ·Stratovolcano ·Elevation: 328 m ·United States
  • Little Sitkin
    Distance: 182 km ·Stratovolcano ·Elevation: 1'174 m ·Last eruption: 1830 ·United States
  • Semisopochnoi
    Distance: 249 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)
610
Country (24h)
—
—
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