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M4.3 Depth: 36.0 km

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

UTC time: 2026-04-06 04:21:30 UTC Local time: —

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

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

Map

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

Stats (last 24h)

Global (24h)
567
Country (24h)
—
—
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