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M5.5 Earthquake near Volcano Islands, Japan region

UTC time: 2026-10-04 11:12:48 UTC Local time: —
Earthquake newsQuakeMap24
First published: Content updated:

Automatically generated from measurement data by QuakeMap24. Values may change after further analysis.

Magnitude
M5.5
Depth
10.0 km
Source
USGS

Volcano Islands, Japan region

Map

M5.5 Earthquake near Volcano Islands, Japan region · 2026-10-04 — Map showing the location of the epicenter
M5.5 Earthquake near Volcano Islands, Japan region · 2026-10-04 — Map showing the location of the epicenter

About this earthquake

A magnitude M5.5 earthquake was recorded near Volcano Islands, Japan region on October 4, 2026 at 11:12 UTC. The hypocenter lay relatively close to the surface at around 10 km, increasing how strongly it was felt. Events of this size can cause damage near the epicenter.

The event was recorded by USGS.

Details

ID
f2f1b1d91bd1741ba8a800a56be7085b7624207b
Magnitude
M5.5
Depth
10.0 km
UTC time
2026-10-04 11:12:48 UTC
Local time
—
Country
—
Source
usgs
Coordinates
22.82860, 144.67340
Temperature
27.8°C

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

Estimated impact

Green No or minimal impact expected.

Tectonic context

Located on the Mariana Plate.
Near the boundary Mariana ↔ Pacific · about 36 km away

Nearby population centers

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

PlaceDistanceDirectionPopulation
Saipan854.5 kmS48'220

GeoNames · CC BY 4.0

Volcanoes nearby

  • Kasuga 1
    Distance: 154 km ·Stratovolcano ·Elevation: -598 m ·Last eruption: 1959 ·United States
  • Fukujin
    Distance: 159 km ·Stratovolcano ·Elevation: -217 m ·Last eruption: 1974 ·United States
  • NW Eifuku
    Distance: 163 km ·Stratovolcano ·Elevation: -1'535 m ·United States
  • Kasuga 2
    Distance: 173 km ·Stratovolcano ·Elevation: -274 m ·United States
  • Daikoku
    Distance: 174 km ·Stratovolcano ·Elevation: -323 m ·United States
  • Nikko
    Distance: 242 km ·Stratovolcano ·Elevation: -392 m ·Japan

Comparison of seismic sources

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

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

SourceMagnitudeDepthPosition difference
USGSM5.510.0 km0.0 km
GFZM5.310.0 km1.7 km
RESIFM5.110.0 km9.2 km
EMSCM5.335.0 km4.0 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#5
Earlier events M≥426
Earlier events M≥57
Compared since2025-01-03

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

Strongest earlier events

M6.82026-03-02 03:55:23 UTC59.3 kmVolcano Islands, Japan region M6.12026-03-02 03:55:22 UTC42.5 kmVolcano Islands, Japan Region M5.62026-07-16 07:49:13 UTC20.1 kmVOLCANO ISLANDS, JAPAN REGION M5.42026-01-25 22:02:10 UTC145.2 km M5.02026-09-02 13:52:58 UTC35.6 kmEvent of magnitude 5.0, near Tokyo (Monde)

Stats (last 24h)

Global (24h)
603
Country (24h)
—
—
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