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M5.9 Earthquake near 88 km WSW of Nikolski, Alaska

UTC time: 2026-02-23 10:02:06 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
M5.9
Depth
1.0 km
Source
USGS

88 km WSW of Nikolski, Alaska

Map

M5.9 Earthquake near 88 km WSW of Nikolski, Alaska · 2026-02-23 — Map showing the location of the epicenter
M5.9 Earthquake near 88 km WSW of Nikolski, Alaska · 2026-02-23 — Map showing the location of the epicenter

About this earthquake

A magnitude M5.9 earthquake was recorded near 88 km WSW of Nikolski, Alaska on February 23, 2026 at 10:02 UTC. The hypocenter lay relatively close to the surface at around 1 km, increasing how strongly it was felt. Earthquakes of this magnitude can damage poorly built structures.

The event was recorded by USGS.

Details

ID
19e1df2679dc4e428f7c3f9f5b3e70bca884944a
Magnitude
M5.9
Depth
1.0 km
UTC time
2026-02-23 10:02:06 UTC
Local time
—
Country
—
Source
usgs
Coordinates
52.50600, -169.95400
Temperature
5.3°C

Depth profile

Depth profile Depth: 1 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 1 km
Shallow
1 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: 28 km ·Stratovolcano ·Elevation: 1'280 m ·United States
  • Cleveland
    Distance: 35 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: 44 km ·Stratovolcano ·Elevation: 1'620 m ·Last eruption: 1828 ·United States
  • Yunaska
    Distance: 48 km ·Shield ·Elevation: 550 m ·Last eruption: 1937 ·United States
  • Kagamil
    Distance: 54 km ·Stratovolcano ·Elevation: 893 m ·Last eruption: 1929 ·United States

Radius · 100 km

Nearby infrastructure

Up to 3 nearest sites per category

Airports

  • Nikolski Air StationUnited States · IKO · PAKO
    88.8 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 hours11
Strongest subsequent eventM5.9
M5.42026-02-23 10:02:07 UTC11.3 km92 km SW of Nikolski, Alaska M5.92026-02-23 10:02:08 UTC3.7 kmFox Islands M4.42026-02-23 10:54:31 UTC65.0 kmFox Islands M4.22026-02-23 21:11:06 UTC9.7 km88 km SW of Nikolski, Alaska M4.22026-02-23 21:11:08 UTC6.2 kmFOX ISLANDS, ALEUTIAN ISLANDS M4.42026-02-24 10:22:07 UTC8.8 kmAlaska M2.82026-02-24 18:00:48 UTC8.2 kmFOX ISLANDS, ALEUTIAN ISLANDS M2.82026-02-24 18:00:48 UTC9.7 kmFox Islands M2.82026-02-24 18:07:55 UTC27.7 km107 km SW of Nikolski, Alaska M2.72026-02-24 18:08:00 UTC8.9 kmFox Islands M2.92026-02-24 23:33:55 UTC16.9 km83 km SW of Nikolski, Alaska M2.92026-02-27 19:31:55 UTC21.9 km90 km SW of Nikolski, Alaska

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#5
Earlier events M≥479
Earlier events M≥539
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 UTC17.8 kmAlaska M6.12026-02-23 05:11:48 UTC17.8 km###.# km ( ###.# mi) WNW (az= 303.7) from Port Orford, OR M6.12026-02-23 05:11:48 UTC18.7 kmAlaska M6.02025-09-03 20:57:47 UTC26.8 km87 km SW of Nikolski, Alaska M5.92025-09-03 20:57:50 UTC42.9 kmFox Islands, Aleutian Islands, United States [Sea: United States]

Stats (last 24h)

Global (24h)
612
Country (24h)
—
—
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