Major earthquake in Japan

Name: Off-Nadir Delta
Author: Kazushi Motomura

Titles and summaries are AI-extracted from news reporting; every source is linked below. Event id 1316187230.

Where: Yatsushiro City, Kumamoto PrefectureSomewhere in Yatsushiro City, Kumamoto Prefecture — the exact site is unknown. The coordinate is an area centre, not the event site.
When: Occurrence date not stated by reporting
Sourcing: 1 articlesverification: reported
Satellite observability: observableOptical coverageSub-metre commercial imagery was recommended; Sentinel-2 is the closest we carry at 10 m, so small objects will not resolve.

What imagery could confirm

destroyed expressway ~10m at Yatsushiro City, Kumamoto Prefecture

What remains unresolved

coordinate_not_search_ready
generic_region_coordinate
quality_not_passed
geo_not_ready

Sources

Japan says over 9,000 people in evacuation centers after quake2026-07-31

Related events

Japan EarthquakeReads as another report of the same occurrence — the wording matches this event 86%, 16 km away, 2 days apart. It was filed as a separate event, so the two were never grouped. · 2026-07-29
Earthquake in Kumamoto PrefectureReads as another report of the same occurrence — the wording matches this event 80%, 16 km away, 2 days apart. It was filed as a separate event, so the two were never grouped. · 2026-07-29

Open on the Watchfloor Ask Delta Agent

Reproduce over the API (free endpoint)

bash

curl "https://offnadir-delta.com/api/v1/events/1316187230/thread" \
  -H "Authorization: Bearer ond_YOUR_API_KEY"

For situational awareness only — not for tracking or targeting individuals. Every claim above links to its reporting; satellite fields are the same values the API serves.