Some volcanoes are so massive that their true size is hidden beneath the ocean.
In this educational documentary, we explore five of Earth's giant volcanoes and discover what makes them extraordinary—from enormous Hawaiian shield volcanoes to massive volcanic structures hidden deep beneath the Pacific Ocean.
🌋 Featured volcanoes:
#5 Haleakalā
#4 Mauna Kea
#3 Mauna Loa
#2 Tamu Massif
#1 Pūhāhonu
But here's the surprising part: the "biggest" volcano isn't necessarily the tallest.
We explore volcanic size, volume, underwater structures, massive lava flows, and the incredible geological forces that can build mountains over millions of years.
Watch until the end for the most important lesson about how scientists actually measure the size of a volcano.
Note: "Biggest" can refer to different measurements, including volume, footprint, elevation, and base-to-summit height.
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