Peter I Island Peter I Island Peter I Island () is an uninhabited volcanic island in the Bellingshausen Sea, from Antarctica. It is claimed as a dependency of Norway, and along with Bouvet Island and Queen Maud Land comprises one of the three Norwegian dependent territories in the Antarctic and Subantarctic. Peter I Island is long and , slightly larger than Staten Island. The tallest peak is the ultra and tall Lars Christensen Peak. Nearly all of the island is covered by a glacier and it is surrounded most of the year by pack ice, making it inaccessible during these times. There is
Bouvet Triple Junction Bouvet Triple Junction The Bouvet Triple Junction is a geologic triple junction of three tectonic plates located on the seafloor of the South Atlantic Ocean. It is named after Bouvet Island, which lies 275 kilometers to the east. The three plates which meet here are the South American Plate, the African Plate, and the Antarctic Plate. The Bouvet Triple Junction is an R-R-R type, that is, the three plate boundaries which meet here are mid-ocean ridges: the Mid-Atlantic Ridge (MAR), the Southwest Indian Ridge (SWIR), and the South American-Antarctic Ridge (SAAR). There are two prominent transform valleys in the area: