The cruiseship owner said the incident on the 2,760-berth Carnival Triumph (built 1999) will lower first half profits by $0.08 to $0.10 per share.

With some 805 million Carnival shares on the market, that implies a more than $64m impact on the New York- and London-listed company’s bottom line.

It is also sharply higher than an initial estimate by UBS analyst Robin Farley, who predicted a $0.01-per-share