Ball's Pyramid

Ball's Pyramid is an uninhabited islet in the Pacific Ocean located 20 kilometres (12 mi) southeast of Lord Howe Island. The steep rocky basalt outcrop is the eroded plug of a shield volcano and caldera that formed 6.4 million years ago. It is 572 metres (1,877 ft) high, while measuring 1,100 metres (3,609 ft) in length and only 300 metres (984 ft) across, making it the tallest volcanic stack in the world.

Ball's Pyramid
Ball's Pyramid seen from the surrounding waters
Ball's Pyramid (Oceania)
Geography
LocationPacific Ocean
Coordinates31°45′15″S 159°15′06″E
Length1,100 m (3600 ft)
Width300 m (1000 ft)
Highest elevation572 m (1877 ft)
Administration
Australia

Ball's Pyramid, which is part of Australia's Lord Howe Island Marine Park, is positioned in the centre of a submarine shelf surrounded by rough seas, which makes any approach difficult.

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