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M5.3 Earthquake near FOX ISLANDS, ALEUTIAN ISLANDS

UTC time: 2026-09-03 20:21:20 UTC Local time: —
Earthquake newsQuakeMap24
Archive record · original publication time was not recorded

Automatically generated from measurement data by QuakeMap24. Values may change after further analysis.

Magnitude
M5.3
Depth
34.8 km
Source
EMSC

FOX ISLANDS, ALEUTIAN ISLANDS

Map

M5.3 Earthquake near FOX ISLANDS, ALEUTIAN ISLANDS · 2026-09-03 — Map showing the location of the epicenter
M5.3 Earthquake near FOX ISLANDS, ALEUTIAN ISLANDS · 2026-09-03 — Map showing the location of the epicenter

About this earthquake

A magnitude M5.3 earthquake was recorded near FOX ISLANDS, ALEUTIAN ISLANDS on September 3, 2026 at 20:21 UTC. The hypocenter lay relatively close to the surface at around 35 km, increasing how strongly it was felt. Events of this size can cause damage near the epicenter.

The event was recorded by EMSC.

Details

ID
b8de86827f4d9a5963adc86dc3a99d286653a879
Magnitude
M5.3
Depth
34.8 km
UTC time
2026-09-03 20:21:20 UTC
Local time
—
Country
—
Source
emsc
Coordinates
52.36850, -169.43590
Temperature
10.7°C

Depth profile

Depth profile Depth: 34.8 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 34.8 km
Shallow
34.8 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

Estimated impact

Green No or minimal impact expected.

Ground shaking

III
Weak · Intensity (MMI) III
Felt by a few, no damage.

Tectonic context

Located on the North America Plate.
Near the boundary North America ↔ Pacific · about 77 km away

Volcanoes nearby

  • Tana
    Distance: 56 km ·Stratovolcano(es) ·Elevation: 1'170 m ·United States
  • Cleveland
    Distance: 61 km ·Stratovolcano ·Elevation: 1'730 m ·Last eruption: 2020 ·United States
  • Herbert
    Distance: 62 km ·Stratovolcano ·Elevation: 1'280 m ·United States
  • Kagamil
    Distance: 70 km ·Stratovolcano ·Elevation: 893 m ·Last eruption: 1929 ·United States
  • Carlisle
    Distance: 72 km ·Stratovolcano ·Elevation: 1'620 m ·Last eruption: 1828 ·United States
  • Uliaga
    Distance: 81 km ·Stratovolcano ·Elevation: 888 m ·United States

Radius · 100 km

Nearby infrastructure

Up to 3 nearest sites per category

Airports

  • Nikolski Air StationUnited States · IKO · PAKO
    75.0 kmStraight-line distance

Source: OurAirports · Dataset date: 2026-10-05

This selection shows geographic proximity, not a hazard zone or confirmed impacts. Distances use recorded site coordinates. Sources & data dates

Subsequent earthquakes nearby

Events recorded after this earthquake within 150 km. They are not automatically classified as aftershocks.

First 6 hours3
First 24 hours5
First 72 hours7
Strongest subsequent eventM6.4
M3.42026-09-03 20:31:31 UTC24.9 km84 km SSW of Nikolski, Alaska M4.22026-09-03 20:40:07 UTC15.0 km88 km SSW of Nikolski, Alaska M4.12026-09-04 02:06:57 UTC38.0 km104 km SSW of Nikolski, Alaska M4.02026-09-04 14:39:51 UTC33.8 kmFOX ISLANDS, ALEUTIAN ISLANDS M3.42026-09-04 14:52:33 UTC19.1 kmFOX ISLANDS, ALEUTIAN ISLANDS M5.02026-09-05 18:00:05 UTC21.4 kmFox Islands, Aleutian Islands M3.72026-09-06 04:22:23 UTC43.0 kmFOX ISLANDS, ALEUTIAN ISLANDS M4.22026-09-08 23:02:31 UTC22.7 kmFOX ISLANDS, ALEUTIAN ISLANDS M3.62026-09-09 00:23:45 UTC20.4 km89 km SSW of Nikolski, Alaska M2.42026-09-14 01:40:13 UTC48.4 kmAlaska M6.42026-09-17 14:19:49 UTC131.8 kmFOX ISLANDS, ALEUTIAN ISLANDS M3.92026-09-17 14:34:20 UTC110.3 kmFOX ISLANDS, ALEUTIAN ISLANDS

Comparison of seismic sources

2 sources currently report magnitudes from M5.3 to M5.3.

Measurements can differ because agencies use different networks and calculation methods. Values may be revised.

SourceMagnitudeDepthPosition difference
EMSCM5.334.8 km0.0 km
RESIFM5.310.0 km47.4 km

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

Historical context nearby

Comparison with recorded earthquakes before this event within 150 km.

Magnitude rank#29
Earlier events M≥4136
Earlier events M≥563
Compared since2025-01-13

The QuakeMap24 comparison dataset begins on 2024-03-23. Earlier earthquakes may not be included.

Strongest earlier events

M6.32026-09-03 11:17:24 UTC12.4 km###.# km ( ###.# mi) WNW (az= 303.5) from Port Orford, OR M6.32026-02-23 05:11:49 UTC28.6 kmAlaska M6.12026-02-23 05:11:48 UTC28.6 km###.# km ( ###.# mi) WNW (az= 303.7) from Port Orford, OR M6.12026-02-23 05:11:48 UTC55.8 kmAlaska M6.02025-09-03 20:57:47 UTC16.8 km87 km SW of Nikolski, Alaska

Stats (last 24h)

Global (24h)
592
Country (24h)
—
—
Current earthquakes in
Magnitude Place Local time
No recent events available.

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