Back to map

M5.3 Earthquake near 85 km SSW of Nikolski, Alaska

UTC time: 2026-09-03 13:03:23 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
M5.3
Depth
16.6 km
Source
USGS

85 km SSW of Nikolski, Alaska

Map

M5.3 Earthquake near 85 km SSW of Nikolski, Alaska · 2026-09-03 — Map showing the location of the epicenter
M5.3 Earthquake near 85 km SSW of Nikolski, Alaska · 2026-09-03 — Map showing the location of the epicenter

About this earthquake

A magnitude M5.3 earthquake was recorded near 85 km SSW of Nikolski, Alaska on September 3, 2026 at 13:03 UTC. With a focal depth of about 17 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 data is provided by USGS and cross-checked across seismological networks.

Details

ID
28a120593165a4fbab3de5801c3acfe79d580c85
Magnitude
M5.3
Depth
16.6 km
UTC time
2026-09-03 13:03:23 UTC
Local time
—
Country
—
Source
usgs
Coordinates
52.22200, -169.32700
Temperature
12.0°C

Depth profile

Depth profile Depth: 16.6 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 16.6 km
Shallow
16.6 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

2 Felt reports · max reported intensity 2.1

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 73 km away

Volcanoes nearby

  • Tana
    Distance: 74 km ·Stratovolcano(es) ·Elevation: 1'170 m ·United States
  • Herbert
    Distance: 78 km ·Stratovolcano ·Elevation: 1'280 m ·United States
  • Cleveland
    Distance: 79 km ·Stratovolcano ·Elevation: 1'730 m ·Last eruption: 2020 ·United States
  • Kagamil
    Distance: 88 km ·Stratovolcano ·Elevation: 893 m ·Last eruption: 1929 ·United States
  • Carlisle
    Distance: 89 km ·Stratovolcano ·Elevation: 1'620 m ·Last eruption: 1828 ·United States
  • Uliaga
    Distance: 98 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
    86.3 kmStraight-line distance

Source: OurAirports · Dataset date: 2026-09-06

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 hours15
First 24 hours23
First 72 hours27
Strongest subsequent eventM5.5
M3.72026-09-03 13:20:25 UTC9.5 kmFOX ISLANDS, ALEUTIAN ISLANDS M3.92026-09-03 13:27:17 UTC15.5 km98 km SSW of Nikolski, Alaska M3.62026-09-03 13:40:52 UTC20.7 kmFOX ISLANDS, ALEUTIAN ISLANDS M4.12026-09-03 14:27:36 UTC14.0 kmFOX ISLANDS, ALEUTIAN ISLANDS M4.22026-09-03 14:39:36 UTC20.6 kmFOX ISLANDS, ALEUTIAN ISLANDS M4.82026-09-03 15:41:53 UTC61.2 kmFOX ISLANDS, ALEUTIAN ISLANDS M4.82026-09-03 15:41:58 UTC11.3 kmFox Islands, Aleutian Islands M4.72026-09-03 15:42:01 UTC73.7 kmUnorganized Borough M3.52026-09-03 18:33:55 UTC11.3 kmFOX ISLANDS, ALEUTIAN ISLANDS M2.82026-09-03 18:39:49 UTC16.6 km69 km SSW of Nikolski, Alaska M2.82026-09-03 18:42:40 UTC17.4 km94 km SSW of Nikolski, Alaska M5.32026-09-03 18:45:39 UTC22.5 km###.# km ( ###.# mi) WNW (az= 303.1) from Port Orford, OR

Comparison of seismic sources

5 sources currently report magnitudes from M4.9 to M5.3.

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

SourceMagnitudeDepthPosition difference
SERBIA_RSZM5.110.0 km22.8 km
GFZM4.910.0 km35.4 km
RESIFM5.010.0 km21.6 km
EMSCM4.944.4 km17.5 km
USGSM5.326.8 km17.5 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≥4131
Earlier events M≥560
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 UTC10.7 km###.# km ( ###.# mi) WNW (az= 303.5) from Port Orford, OR M6.32026-02-23 05:11:49 UTC22.0 kmAlaska M6.12026-02-23 05:11:48 UTC22.0 km###.# km ( ###.# mi) WNW (az= 303.7) from Port Orford, OR M6.12026-02-23 05:11:48 UTC54.0 kmAlaska M6.02025-09-03 20:57:47 UTC9.5 km87 km SW of Nikolski, Alaska

Stats (last 24h)

Global (24h)
510
Country (24h)
—
—
Current earthquakes in
Magnitude Place Local time
No recent events available.

Share