Japan Meteorological Agency Holds Pressers on Why M9.9 Quake Warning Was Issued, Rescinded on Friday
The Japan Meteorological Agency revoked a warning for an earthquake on Friday just eight minutes after issuing it, having mistakenly estimated that it would register the maximum 7 on the Japanese seismic intensity scale from Hokkaido to the Tokai region.
We haven't written up this one. The Japan News by The Yomiuri Shimbun has the full story — the link below goes straight to it.