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M4.7 Earthquake near RAT ISLANDS, ALEUTIAN ISLANDS

UTC time: 2026-04-20 09:54:45 UTC Local time: —
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Archive record · original publication time was not recorded

Automatically generated from measurement data by QuakeMap24. Values may change after further analysis. How our reports are produced ↗

Magnitude
M4.7
Depth
43.3 km
Source
EMSC

RAT ISLANDS, ALEUTIAN ISLANDS

Map

About this earthquake

A magnitude M4.7 earthquake was recorded near RAT ISLANDS, ALEUTIAN ISLANDS on April 20, 2026 at 09:54 UTC. The hypocenter lay relatively close to the surface at around 43 km, increasing how strongly it was felt. Earthquakes of this magnitude are clearly felt; minor damage to vulnerable buildings is possible.

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

Details

ID
05a9b60b5217b0bc9ae5b8be1bf9c855db6a818a
Magnitude
M4.7
Depth
43.3 km
UTC time
2026-04-20 09:54:45 UTC
Local time
—
Country
—
Source
emsc
Coordinates
51.06350, 179.31130
Temperature
5.6°C

Depth profile

Depth profile Depth: 43.3 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 43.3 km
Shallow
43.3 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

  • Semisopochnoi
    Distance: 98 km ·Stratovolcano ·Elevation: 1'221 m ·Last eruption: 2023 ·United States
  • Little Sitkin
    Distance: 112 km ·Stratovolcano ·Elevation: 1'174 m ·Last eruption: 1830 ·United States
  • Davidof
    Distance: 122 km ·Stratovolcano ·Elevation: 328 m ·United States
  • Segula
    Distance: 133 km ·Stratovolcano ·Elevation: 1'160 m ·United States
  • Kiska
    Distance: 165 km ·Stratovolcano ·Elevation: 1'220 m ·Last eruption: 1990 ·United States
  • Buldir
    Distance: 274 km ·Stratovolcano ·Elevation: 656 m ·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)
620
Country (24h)
—
—
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