Japan Issues Warning for 'Most Powerful Earthquake in History' Before Apology
- A magnitude 6.9 to 7.0 earthquake struck Russia’s Kamchatka Peninsula at a depth of about 130 to 143 kilometers.
- Japan’s Meteorological Agency mistakenly issued a warning based on a magnitude 9.9 estimate before withdrawing it minutes later after further analysis.
- Tsunami centers reported no tsunami threat, while initial reports found no confirmed casualties or major damage.
16 Articles
16 Articles
Japan Agency Issues Erroneous 9.9 Quake Warning After Russia Tremor
A magnitude 6.9–7.0 earthquake struck deep beneath Russia’s Kamchatka Peninsula, with no tsunami threat reported. Initial reports did not confirm casualties or significant damage; Japan’s meteorological agency also mistakenly issued an early warning estimating a magnitude 9.9 quake. · 21 sources across the spectrum on IJR News.
Confusion arose locally after the Japan Meteorological Agency (JMA) issued a warning on the 16th, incorrectly estimating a magnitude 6.9 earthquake near Russia's Kamchatka Peninsula as 9.9, only to cancel it about eight minutes later. It is a highly unusual occurrence for the JMA to completely cancel an emergency earthquake bulletin after issuing it. Around 12:40 PM on that day, the JMA [issued] warnings covering Hokkaido, Tohoku, Kanto, Hokurik…
The earthquake would have been the most powerful ever measured if it had occurred as first predicted.
Japan's Earthquake Alert Mistakenly Said 9.9. How Bad Would Such A Quake Be?
There is no upper limit on the magnitude of an earthquake, but it depends on the length of a faultline. Japan sits on Pacific Ring Of Fire, a zone of active faultlines that witnesses the maximum number of earthquakes.
Russia hit by 7-magnitude earthquake, Japan's wrong 9.9 warning sparks panic
A magnitude-7 earthquake near Kamchatka triggered an emergency warning in Japan based on an initial 9.9 estimate. The alert was withdrawn, and authorities are investigating the automated system's inaccurate preliminary calculation.
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