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Boulder ejected from Halemaumau, at Kīlauea, May 11, 1925

Detailed Description

On May 11, Ruy Finch and W.O. Clark visited Halemaumau and found a rock fragment weighing about 180 kg (400 pounds) that had been thrown 60 meters (200 feet) from the rim of the crater.


Public Domain.

HVO photo courtesy of Bishop Museum