Floating pumice stones set to hit Kanto coastlines, putting

The stones are thought to have originated from an underwater eruption that was one of the largest volcanic events seen anywhere in modern-day Japan.

Japan removes pumice pebbles clogging coastline after underwater volcano eruption

A giant pumice stone floating in the Pacific could help heal Australia's Great Barrier Reef

LASI V: Xeno-Pumice-- Mysterious Floating Rocks of the Canary Islands - Georneys - AGU Blogosphere

Pumice stone accumulation on Okinawa beach 'disastrous' for village

A giant pumice stone floating in the Pacific could help heal Australia's Great Barrier Reef

A giant pumice stone floating in the Pacific could help heal Australia's Great Barrier Reef

Pumice Rafts: The Floating Rocks of the Sea

Floating Stones from Underwater Volcano Hit Beautiful Beaches in Japan

Enormous Underwater Volcanic Eruption Creates Waves of Pumice Off Japan