On Aug. 9, the HMNZS Canterbury, a Royal New Zealand Air Force ship, observed a stretch of floating pumice, measuring a whopping 300 miles (482 kilometers) in length and more than 30 miles (48 km) ... more 
On Aug. 9, the HMNZS Canterbury, a Royal New Zealand Air Force ship, observed a stretch of floating pumice, measuring a whopping 300 miles (482 kilometers) in length and more than 30 miles (48 km) wide. less 
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LiveScience.com | Photo By New Zealand Defence Force
Tue, Aug 14, 2012 2:20 AM EDT