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. It occurred at a depth of about 40 kilometers off the southeastern coast of the Nemuro Peninsula in Hokkaido, according to the Meteorological Agency.

There was no tsunami threat. However, the agency advised people in affected areas to remain alert for more temblors measuring up to a lower 5 for about a week.

The quake occurred at the boundary of two plates, where an ocean plate is subducting beneath a land plate, off the southeastern coast of Hokkaido.

No tsunami threat was issued.

Author's summary: Strong quake hits Hokkaido, Japan.

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

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