Editorial

15:23 JST, July 31, 2025

The Japanese archipelago could see a massive earthquake anywhere and at any time, and tsunami could follow. It is important to strive to “fear properly” based on accurate information.

A magnitude 8.7 earthquake struck near Russia’s Kamchatka Peninsula, prompting tsunami warnings across a wide swath of coast, from Hokkaido to Wakayama Prefecture. The Kamchatka Peninsula is a seismically active area, with a magnitude 7.4 earthquake having also struck recently, on July 20.

In Russia’s Far East region, near the latest quake’s epicenter, tsunami waves of 3 to 4 meters reportedly submerged buildings, resulting in casualties. In Japan, the earthquake measured 2 on the Japanese seismic intensity scale of 7 in eastern........

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