Board Thread:Game Updates/@comment-3502824-20180904174540/@comment-460323-20180906193016

Shinhwalee wrote: 「艦これ」稼働全サーバ群及びサポート体制は健在です. 明朝また改めてお知らせ致しますが、北海道全域に及ぶ停電状況を鑑み、「艦これ」初秋イベ、その【前段作戦】＆同投入メンテは明後日【9/8(土)】に順延致します. また、同作戦期間は当初予定の二週間＋αから、三週間＋αに拡張予定です.

https://twitter.com/KanColle_STAFF/status/1037765293425143808 Due to the situation post the Earthquake in Hokkaido, the KanColle Maintenance & Update for the Event will unfortunately be delayed to September 8th.

Also the Event is expected to have the duration of 2 to 3 Weeks.

To clarify, the tweet said the event will run for 3 weeks+ instead of the previously planned 2 weeks+ (whatever that alpha is); so it's a minimum of 3 weeks.