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M3.9 Earthquake near RAT ISLANDS, ALEUTIAN ISLANDS

UTC time: 2026-04-03 04:27:59 UTC Local time: —
Magnitude
M3.9
Depth
40.2 km
Source
EMSC

RAT ISLANDS, ALEUTIAN ISLANDS

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About this earthquake

On April 3, 2026 at 04:27 UTC, a magnitude M3.9 earthquake occurred near RAT ISLANDS, ALEUTIAN ISLANDS. The hypocenter lay relatively close to the surface at around 40 km, increasing how strongly it was felt. Shaking of this size is frequently noticed but usually harmless.

The event was recorded by EMSC.

Details

ID
39b0faa20006fcc68bbcabb73ee71f1916891165
Magnitude
M3.9
Depth
40.2 km
UTC time
2026-04-03 04:27:59 UTC
Local time
—
Country
—
Source
emsc
Coordinates
51.97670, 176.29780
Temperature
3.0°C

Depth profile

Depth profile Depth: 40.2 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 40.2 km
Shallow
40.2 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: 49 km ·Stratovolcano ·Elevation: 656 m ·United States
  • Kiska
    Distance: 90 km ·Stratovolcano ·Elevation: 1'220 m ·Last eruption: 1990 ·United States
  • Segula
    Distance: 126 km ·Stratovolcano ·Elevation: 1'160 m ·United States
  • Davidof
    Distance: 139 km ·Stratovolcano ·Elevation: 328 m ·United States
  • Little Sitkin
    Distance: 154 km ·Stratovolcano ·Elevation: 1'174 m ·Last eruption: 1830 ·United States
  • Semisopochnoi
    Distance: 225 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)
635
Country (24h)
—
—
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