Earthquake

M 4.6 earthquake, 130 km SE of Itoman, Japan

Source: USGS event page

Origin time: 2026-09-30 21:11 UTC

Magnitude: M 4.6 (mb)
Depth: 10 km

Reviewed by a USGS seismologist

Revised by USGS · 2026-10-08 03:21 UTC

What this tells you

Magnitude measures quake size. It does not confirm injuries or damage.

Nearest indexed city: Itoman, Japan · 130 km
People nearby: 1.1 million in 9 towns and cities within 200 km. Proximity, not people affected. Source: GeoNames indexed cities.

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Population on live map

2020 estimates · people/km². Population context, not people affected.

Citation & source notes

Origin time: 2026-09-30 21:11 UTC
Agency revision: 2026-10-08 03:21 UTC
Retrieved by this site: 2026-10-11 19:48 UTC

Published facts in your selected timezone, with original source links. Check the agency for revisions.

Attributed summary

M 4.6 earthquake, 130 km SE of Itoman, Japan
10 km deep
Reviewed by a USGS seismologist
Revised by USGS
Origin time: 2026-09-30 21:11 UTC
Agency revision: 2026-10-08 03:21 UTC
Retrieved by this site: 2026-10-11 19:48 UTC

Sources:
USGS: https://earthquake.usgs.gov/earthquakes/eventpage/us6000tym9

Natural Disaster Map: https://naturaldisastermap.com/event/q-us6000tym9
Snapshot of published information; agencies may revise it. Check the official source for updates.
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Agency measurements and details

Magnitude: M 4.6 (mb)
Depth: 10 km
Origin time: 2026-09-30 21:11 UTC
Status: Reviewed by USGS
Last revised: 2026-10-08 03:21 UTC

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Nearby USGS reports

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