DevelopingDisasters · Sapporo, Japan

Japan’s weather agency cancels mistakenly issued 9.9-magnitude quake alert, transit disrupted

First reported 2026-10-16 21:35 UTC · Updated 2026-10-17 06:13 UTC · 2 independent sources

The alert set off loud emergency alerts on millions of mobile phones in Japan. Japan's weather agency clarified later that a 6.9-magnitude quake occurred near Russia's Kamchatka Peninsula at a depth of 160 kilometres (100 miles).

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Who reported it

  1. 2026-10-16 21:35 UTCStraits Times · straitstimes.com ↗
  2. 2026-10-17 06:13 UTCCNA · channelnewsasia.com ↗

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