Nobody Knows Where This Big Raft of Pumice Came From

Last week, a Royal New Zealand Air Force flight spotted a new pumice raft in the middle of the Pacific ocean to the west of Tonga. Pumice rafts are floating islands of pumice created during a submarine volcanic eruption and they can persist for months or longer. This raft was seen by aircraft and satellite in an area with no known volcanoes. However, from the looks of the raft, it might be a long way from home. Learn more about your ad choices. Visit podcastchoices.com/adchoices