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M5.1 Depth: 10.0 km

M5.1 Earthquake near Event of magnitude 5.1, near of Anchorage (Monde)

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

About this earthquake

On February 23, 2026 at 10:02 UTC, a magnitude M5.1 earthquake occurred near Event of magnitude 5.1, near of Anchorage (Monde). With a focal depth of about 10 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Earthquakes of this magnitude can damage poorly built structures.

The event was recorded by RESIF.

Details

Magnitude
M5.1
Depth
10.0 km
UTC time
2026-02-23 10:02:10 UTC
Local time
—
Country
—
Source
resif
Coordinates
52.54373, -169.72615
Temperature
5.2°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

  • Tana
    Distance: 32 km ·Stratovolcano(es) ·Elevation: 1'170 m ·United States
  • Herbert
    Distance: 34 km ·Stratovolcano ·Elevation: 1'280 m ·United States
  • Cleveland
    Distance: 35 km ·Stratovolcano ·Elevation: 1'730 m ·Last eruption: 2020 ·United States
  • Carlisle
    Distance: 45 km ·Stratovolcano ·Elevation: 1'620 m ·Last eruption: 1828 ·United States
  • Kagamil
    Distance: 48 km ·Stratovolcano ·Elevation: 893 m ·Last eruption: 1929 ·United States
  • Uliaga
    Distance: 58 km ·Stratovolcano ·Elevation: 888 m ·United States

Subsequent earthquakes nearby

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

First 6 hours1
First 24 hours3
First 72 hours9
Strongest subsequent eventM5.7
M4.42026-02-23 10:54:31 UTC49.5 kmFox Islands M4.22026-02-23 21:11:06 UTC15.9 km88 km SW of Nikolski, Alaska M4.22026-02-23 21:11:08 UTC12.5 kmFOX ISLANDS, ALEUTIAN ISLANDS M4.42026-02-24 10:22:07 UTC20.7 kmAlaska M2.82026-02-24 18:00:48 UTC8.0 kmFOX ISLANDS, ALEUTIAN ISLANDS M2.82026-02-24 18:00:48 UTC8.7 kmFox Islands M2.82026-02-24 18:07:55 UTC36.1 km107 km SW of Nikolski, Alaska M2.72026-02-24 18:08:00 UTC10.3 kmFox Islands M2.92026-02-24 23:33:55 UTC14.4 km83 km SW of Nikolski, Alaska M2.92026-02-27 19:31:55 UTC22.4 km90 km SW of Nikolski, Alaska M3.22026-03-02 21:52:35 UTC13.8 kmFOX ISLANDS, ALEUTIAN ISLANDS M2.82026-03-03 01:40:34 UTC24.9 kmFOX ISLANDS, ALEUTIAN ISLANDS

Comparison of seismic sources

2 sources currently report magnitudes from M5.1 to M5.4.

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

SourceMagnitudeDepthPosition difference
NNSNM5.410.0 km19.3 km
RESIFM5.110.0 km0.0 km

Historical context nearby

Comparison with recorded earthquakes before this event within 150 km.

Magnitude rank#32
Earlier events M≥484
Earlier events M≥543
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 UTC22.6 kmAlaska M6.12026-02-23 05:11:48 UTC22.6 km###.# km ( ###.# mi) WNW (az= 303.7) from Port Orford, OR M6.12026-02-23 05:11:48 UTC29.6 kmAlaska M6.02025-09-03 20:57:47 UTC23.6 km87 km SW of Nikolski, Alaska M5.92026-02-23 10:02:08 UTC12.7 kmFox Islands

Stats (last 24h)

Global (24h)
612
Country (24h)
—
—
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