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M5.6 Earthquake near 74 km S of Yonakuni, Japan

UTC time: 2026-09-30 05:00:25 UTC Local time: —
Earthquake newsQuakeMap24
First published: Content updated:

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

Magnitude
M5.6
Depth
10.8 km
Source
USGS

74 km S of Yonakuni, Japan

Map

M5.6 Earthquake near 74 km S of Yonakuni, Japan · 2026-09-30 — Map showing the location of the epicenter
M5.6 Earthquake near 74 km S of Yonakuni, Japan · 2026-09-30 — Map showing the location of the epicenter

About this earthquake

A magnitude M5.6 earthquake was recorded near 74 km S of Yonakuni, Japan on September 30, 2026 at 05:00 UTC. With a focal depth of about 11 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 data is provided by USGS and cross-checked across seismological networks.

Details

ID
0de7cfaaca2ca05605def8ed2ce47ff342fff862
Magnitude
M5.6
Depth
10.8 km
UTC time
2026-09-30 05:00:25 UTC
Local time
—
Country
—
Source
usgs
Coordinates
23.80270, 122.91490
Temperature
28.5°C

Depth profile

Depth profile Depth: 10.8 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 10.8 km
Shallow
10.8 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

Felt reports

5felt reports at EMSC / LastQuake

Voluntary reports of feeling this earthquake. The count is not an intensity measurement and is not added to USGS DYFI reports.

Data updated: Sep 30, 2026, 2:16 PM UTC · Last checked: Oct 5, 2026, 5:22 PM UTC

Updates are delayed. The last successfully retrieved data are shown.

Source: EMSC / LastQuake

Estimated impact

Green No or minimal impact expected.
Estimated population exposed
IV 1'674
11 Felt reports · max reported intensity 4.1

Ground shaking

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

Tectonic context

Located on the Okinawa Plate.
Near the boundary Okinawa ↔ Philippine Sea · about 31 km away

Nearby population centers

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

PlaceDistanceDirectionPopulation
Hualien City134.6 kmW99'458
Xizhi District189.4 kmNW204'619
Taipei197.7 kmNW7'871'900

GeoNames · CC BY 4.0

Volcanoes nearby

  • Submarine Volcano NNE of Iriomotejima
    Distance: 134 km ·Stratovolcano ·Elevation: -200 m ·Last eruption: 1924 ·Japan
  • Kueishantao
    Distance: 151 km ·Stratovolcano ·Elevation: 361 m ·Last eruption: 1853 ·Taiwan
  • Tatun Volcanic Group
    Distance: 206 km ·Lava dome(s) ·Elevation: 1'120 m ·Last eruption: 648 ·Taiwan
  • Iraya
    Distance: 382 km ·Stratovolcano ·Elevation: 1'009 m ·Last eruption: 1454 ·Philippines
  • Babuyan Claro
    Distance: 486 km ·Stratovolcano(es) ·Elevation: 1'064 m ·Last eruption: 1924 ·Philippines

Radius · 100 km

Nearby infrastructure

Up to 3 nearest sites per category

Airports

  • Yonaguni AirportJapan · OGN · ROYN
    74.2 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 hours0
First 24 hours0
First 72 hours0
Strongest subsequent eventM4.7
M3.52026-10-04 21:26:10 UTC132.3 kmHualien City M4.72026-10-05 13:30:46 UTC149.1 km75 km NNE of Yonakuni, Japan M3.72026-10-11 21:30:04 UTC142.0 km50.4 km S of Hualien County Hall M4.42026-10-12 09:16:45 UTC130.7 km26.4 km ESE of Yilan County Hall M3.52026-10-15 23:40:32 UTC138.9 km17.4 km SSW of Hualien County Hall M4.62026-10-17 03:13:19 UTC141.7 km23.9 km S of Yilan County Hall M3.42026-10-20 20:03:19 UTC126.3 km9.9 km ENE of Hualien County Hall

Comparison of seismic sources

7 sources currently report magnitudes from M5.6 to M5.9.

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

SourceMagnitudeDepthPosition difference
CWAM5.913.3 km6.1 km
USGSM5.610.8 km0.0 km
EMSCM5.81.2 km11.5 km
SERBIA_RSZM5.710.0 km8.0 km
GFZM5.810.0 km9.0 km
INGVM5.714.8 km7.5 km
RESIFM5.610.0 km11.5 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#15
Earlier events M≥4226
Earlier events M≥559
Compared since2025-01-03

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

Strongest earlier events

M6.82025-12-27 15:05:56 UTC129.9 km31 km ESE of Yilan, Taiwan M6.72025-12-27 15:05:56 UTC130.8 kmtai wan M6.72025-12-27 15:05:56 UTC129.5 kmtai wan M6.62025-12-27 15:05:56 UTC130.0 km31 km ESE of Yilan, Taiwan M6.62025-12-27 15:05:56 UTC129.3 kmTaiwan Region

Stats (last 24h)

Global (24h)
566
Country (24h)
—
—
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