Japan earthquake: alert for major tremor after strong shock

Japan's Meteorological Agency warns of a potential « major » earthquake following a significant tremor.

Published 13sem5 sources✓ ConfirmedImportantupdated 5j

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Authorities urge vigilance and recommend residents prepare for stronger aftershocks.

This alert reflects Japan's location on the Pacific Ring of Fire and its ongoing seismic activity.

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Auto-synthesis from 5 media sources · identified on April 20, 2026