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M5.1 Earthquake near 102 km SSE of Akhiok, Alaska

UTC time: 2026-07-22 18:13:20 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. How our reports are produced ↗

Magnitude
M5.1
Depth
5.0 km
Source
USGS

102 km SSE of Akhiok, Alaska

Map

M5.1 Earthquake near 102 km SSE of Akhiok, Alaska · 2026-07-22 — Map showing the location of the epicenter
M5.1 Earthquake near 102 km SSE of Akhiok, Alaska · 2026-07-22 — Map showing the location of the epicenter

About this earthquake

A magnitude M5.1 earthquake was recorded near 102 km SSE of Akhiok, Alaska on July 22, 2026 at 18:13 UTC. The hypocenter lay relatively close to the surface at around 5 km, increasing how strongly it was felt. Earthquakes of this magnitude can damage poorly built structures.

The event was recorded by USGS.

Details

ID
42909e04af6eabd41815454f81de18ec80f4bc35
Magnitude
M5.1
Depth
5.0 km
UTC time
2026-07-22 18:13:20 UTC
Local time
—
Country
—
Source
usgs
Coordinates
56.16400, -153.28500
Temperature
11.0°C

Depth profile

Depth profile Depth: 5 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 5 km
Shallow
5 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

1 Felt reports · max reported intensity 2.2

Ground shaking

IV
Light · Intensity (MMI) IV
Felt by many, no damage.

Tectonic context

Located on the North America Plate.
Near the boundary North America ↔ Pacific · about 52 km away

Nearby population centers

Distances are straight-line distances from the epicenter. Population data: GeoNames.

PlaceDistanceDirectionPopulation
Anchorage594.8 kmN289'600

GeoNames · CC BY 4.0

Volcanoes nearby

  • Alaska Peninsula Arc at 155.4°W
    Distance: 229 km ·Lava dome ·Elevation: 402 m ·United States
  • Kialagvik
    Distance: 241 km ·Stratovolcano ·Elevation: 1'677 m ·United States
  • Chiginagak
    Distance: 251 km ·Stratovolcano ·Elevation: 2'221 m ·Last eruption: 1998 ·United States
  • Trident
    Distance: 255 km ·Stratovolcano ·Elevation: 1'864 m ·Last eruption: 1974 ·United States
  • Mageik
    Distance: 255 km ·Stratovolcano ·Elevation: 2'165 m ·Last eruption: -500 ·United States
  • Snowy Mountain
    Distance: 256 km ·Stratovolcano(es) ·Elevation: 2'162 m ·Last eruption: 1710 ·United States

Subsequent earthquakes nearby

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

First 6 hours4
First 24 hours4
First 72 hours4
Strongest subsequent eventM3.5
M2.82026-07-22 18:48:40 UTC5.6 kmKodiak Island region M2.02026-07-22 18:48:55 UTC138.3 kmKodiak Island Borough M2.82026-07-22 23:26:25 UTC28.9 kmSOUTH OF ALASKA M2.82026-07-22 23:26:27 UTC14.3 km115 km SSE of Akhiok, Alaska M2.52026-07-26 08:43:43 UTC77.0 kmKodiak Island Borough M2.02026-07-26 11:54:06 UTC102.4 kmKodiak Island Borough M1.82026-07-26 20:46:03 UTC143.8 km75 km WSW of Akhiok, Alaska M3.52026-07-28 15:03:55 UTC96.2 kmKodiak Island Borough M1.82026-07-28 21:17:36 UTC149.5 km62 km W of Akhiok, Alaska M2.02026-07-30 14:31:30 UTC102.9 kmAlaska M1.82026-08-06 14:53:46 UTC134.2 kmAlaska M2.42026-08-07 16:18:42 UTC76.2 km153 km SSE of Old Harbor, Alaska

Comparison of seismic sources

5 sources currently report magnitudes from M5.0 to M5.1.

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

SourceMagnitudeDepthPosition difference
USGSM5.15.0 km0.0 km
GFZM5.010.0 km28.4 km
EMSCM5.020.0 km22.7 km
RESIFM5.110.0 km51.8 km
SERBIA_RSZM5.110.0 km75.7 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#10
Earlier events M≥431
Earlier events M≥513
Compared since2025-02-13

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

Strongest earlier events

M5.82025-09-01 11:02:10 UTC66.1 kmUnited States [Sea] M5.72025-02-13 23:59:27 UTC118.7 km155 km SSW of Akhiok, Alaska M5.72025-02-13 23:59:26 UTC118.3 kmAlaska M5.62025-09-01 11:02:08 UTC79.0 kmKODIAK ISLAND REGION, ALASKA M5.52025-09-01 11:02:08 UTC81.4 km

Stats (last 24h)

Global (24h)
506
Country (24h)
—
—
Current earthquakes in
Magnitude Place Local time
No recent events available.

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