Japan warns of possible megaquake after powerful earthquake

Japan issued a megaquake advisory after a magnitude 7.5 earthquake struck northern Honshu, causing 34 mostly minor injuries and some structural damage.

Officials warned that a subsequent magnitude 8 or larger quake could occur within a week, potentially triggering a tsunami up to 98 feet and killing nearly 200,000 people.

The advisory aims to prompt residents, especially along the coast, to prepare emergency supplies and evacuation plans, though the probability of a larger quake is only about 1%.

The quake struck near the Japan and Chishima Trenches, the same fault zones responsible for the deadly 2011 magnitude 9.0 quake and tsunami that devastated northern Japan and damaged the Fukushima Daiichi nuclear plant, CBS News has reported.

Authorities hope the warning will raise awareness without causing the panic seen during a 2024 megaquake advisory for southern Japan.

read more: https://www.cbsnews.com/news/japan-earthquake-megaquake-advisory-tsunami/

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