Most countries in Oceania are south of the Equator ... Scientists call this coral bleaching. A map showing the location of the Ring of Fire. Tonga is a archipelago of more than 170 islands ...

Silversea’s cruise will depart from Miami on Jan. 5, 2028, on the line’s 392-guest Silver Shadow ship. Oceania’s sailing will also begin in Miami on Jan. 6, 2027, aboard Oceania Vista, which can ...