First published Oct 28, 2026, 3:57:15 PM UTC · Last updated Oct 28, 2026, 3:57:15 PM UTC

Earthquakes

Green earthquake (Magnitude 5.5M, Depth:41.356km) in Japan 28/10/2026 15:07 UTC, 100 thousand in MMI V.

Reported by GDACS Global Disaster Alerts

A magnitude 5.5 earthquake was reported in Japan at 15:07 UTC on 28 October 2026, at a depth of 41.356 km. The source estimates 100,000 people potentially experienced MMI V.

At a glance

Affected location: Japan
Magnitude 5
Depth 41.356 km

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Why it matters

The report describes a magnitude 5.5 earthquake and estimates potential MMI V shaking for 100,000 people.

Location

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Generated scores

Scores are based on the cited reporting and use a 1–10 scale. Read the methodology.

Confidence: 6/10How certain the assessment is based on the clarity and evidence in the cited reporting.
Geographic reach: 1/10How widely the event reaches, from a local area (1) to worldwide impact (10).
Global importance: 5/10The event's broader significance, from limited importance (1) to major global importance (10).
Impact magnitude: 6/10The scale or severity of the real-world impact, from minor (1) to extreme (10).
Urgency: 6/10How time-sensitive the event is, from low urgency (1) to immediate attention needed (10).

Primary official sources

GDACS Global Disaster Alerts Green earthquake (Magnitude 5.5M, Depth:41.356km) in Japan 28/10/2026 15:07 UTC, 100 thousand in MMI V.Global Disaster Alert and Coordination System (GDACS) Usage terms

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