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M5.9 Depth: 10.0 km

M5.9 Earthquake near Fox Islands

UTC time: 2026-02-23 10:02:08 UTC Local time: —

About this earthquake

On February 23, 2026 at 10:02 UTC, a magnitude M5.9 earthquake occurred near Fox Islands. With a focal depth of about 10 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Events of this size can cause damage near the epicenter.

The event was recorded by ISC.

Details

Magnitude
M5.9
Depth
10.0 km
UTC time
2026-02-23 10:02:08 UTC
Local time
—
Country
—
Source
isc
Coordinates
52.50000, -169.90000
Temperature
5.4°C

Map

Depth profile

Depth profile Depth: 10 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 10 km
Shallow
10 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

  • Herbert
    Distance: 30 km ·Stratovolcano ·Elevation: 1'280 m ·United States
  • Cleveland
    Distance: 36 km ·Stratovolcano ·Elevation: 1'730 m ·Last eruption: 2020 ·United States
  • Tana
    Distance: 38 km ·Stratovolcano(es) ·Elevation: 1'170 m ·United States
  • Carlisle
    Distance: 45 km ·Stratovolcano ·Elevation: 1'620 m ·Last eruption: 1828 ·United States
  • Yunaska
    Distance: 52 km ·Shield ·Elevation: 550 m ·Last eruption: 1937 ·United States
  • Kagamil
    Distance: 54 km ·Stratovolcano ·Elevation: 893 m ·Last eruption: 1929 ·United States

Subsequent earthquakes nearby

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

First 6 hours2
First 24 hours4
First 72 hours10
Strongest subsequent eventM5.7
M5.12026-02-23 10:02:10 UTC12.7 kmEvent of magnitude 5.1, near of Anchorage (Monde) M4.42026-02-23 10:54:31 UTC61.4 kmFox Islands M4.22026-02-23 21:11:06 UTC7.7 km88 km SW of Nikolski, Alaska M4.22026-02-23 21:11:08 UTC3.1 kmFOX ISLANDS, ALEUTIAN ISLANDS M4.42026-02-24 10:22:07 UTC11.8 kmAlaska M2.82026-02-24 18:00:48 UTC4.8 kmFOX ISLANDS, ALEUTIAN ISLANDS M2.82026-02-24 18:00:48 UTC6.0 kmFox Islands M2.82026-02-24 18:07:55 UTC27.5 km107 km SW of Nikolski, Alaska M2.72026-02-24 18:08:00 UTC5.3 kmFox Islands M2.92026-02-24 23:33:55 UTC13.6 km83 km SW of Nikolski, Alaska M2.92026-02-27 19:31:55 UTC19.5 km90 km SW of Nikolski, Alaska M3.22026-03-02 21:52:35 UTC9.7 kmFOX ISLANDS, ALEUTIAN ISLANDS

Historical context nearby

Comparison with recorded earthquakes before this event within 150 km.

Magnitude rank#5
Earlier events M≥482
Earlier events M≥542
Compared since2025-01-13

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

Strongest earlier events

M6.32026-02-23 05:11:49 UTC16.2 kmAlaska M6.12026-02-23 05:11:48 UTC16.1 km###.# km ( ###.# mi) WNW (az= 303.7) from Port Orford, OR M6.12026-02-23 05:11:48 UTC21.7 kmAlaska M6.02025-09-03 20:57:47 UTC23.9 km87 km SW of Nikolski, Alaska M5.92026-02-23 10:02:06 UTC3.7 km88 km WSW of Nikolski, Alaska

Stats (last 24h)

Global (24h)
611
Country (24h)
—
—
Current earthquakes in
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No recent events available.

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