Strong quake shakes Hokkaido as authorities urge vigilance

Strong Quake Hits Hokkaido, Authorities Urge Vigilance

A strong earthquake struck eastern areas of Hokkaido Prefecture on Saturday, prompting warnings of potential future quakes.

The quake, with a magnitude of 5.8, reached a lower 5 on the Japanese seismic intensity scale in the city of Nemuro.

People in affected areas should remain alert for more temblors measuring up to a lower 5 for about a week.

The earthquake occurred at the boundary of two plates, where an ocean plate is subducting beneath a land plate, according to the Meteorological Agency.

Author's summary: Strong quake hits Hokkaido, authorities warn of more.

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The Japan Times The Japan Times — 2025-10-25

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