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Ball's Pyramid is an erosional remnant of a shield volcano and caldera[2] lying 20 kilometres (12 mi) southeast of Lord Howe Island in the Pacific Ocean. 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 … [Read more...] about Ball’s Pyramid