Mauna Loa
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Mauna Loa is one of five volcanoes that form the Island of Hawaii in the U.S. state of Hawaii in the Pacific Ocean. Mauna Loa is Earth's largest active volcano by both mass and volume. It was historic
Mauna Loa as seen from the air. Hualālai is visible in the background.
Mauna Loa from Hilo Bay, December 2017
Mauna Loa's summit, overlaid with 100 m (328 ft) contour lines; its rift zones are visible from the air.
Snow-covered Moku'aweoweo caldera in 2016
Tamu Massif
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Tamu Massif is a seamount in the northwest Pacific Ocean, sitting atop a triple junction of mid-ocean ridges. Tamu Massif is located in the Shatsky Rise about 1,600 km east of Japan. The massif covers
Mauna Loa
…Earth's largest active volcano by both mass and volume. It was historically considered to be the largest volcano on Earth until the submarine mountain Tamu Massif was discovered to be larger. Mauna Loa is a shield volcano with relatively gentle slopes, and a volume estimated at 18,000 cubic miles (75,000 km3…
Emperor Seamounts