Hawaiian–Emperor seamounts
A chain of volcanoes nearly 6,000 km long, from Hawaii to the Detroit and Meiji seamounts near Kamchatka. The Pacific Plate slides over a hotspot, so each volcano is carried away and a new one forms. The sharp bend in the chain formed about 47 million years ago.
Measured from its base on the ocean floor, Hawaii's Mauna Kea is about 10,200 m tall: well over a kilometre taller than Everest stands above sea level.
Pull the plug and watch the sea level fall, explore the seafloor as real terrain, find what lies off your own coast, and follow guided stories, from the Ice Age land bridge between England and France to the wreck of the Titanic. Everything is built from GEBCO's grid of the world's ocean floor and land.
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Stories
- Walk from England to France: Doggerland in the Ice Age
- Asia to America on foot: Beringia, the Ice Age land bridge
- Where the Titanic rests: 3,800 m down in the North Atlantic
- Drop Everest into the Mariana Trench: And watch it disappear
- The longest mountain range on Earth: is underwater: the mid-ocean ridge
Places
- Challenger Deep
- Mid-Atlantic Ridge
- Hawaiian–Emperor seamounts
- Puerto Rico Trench
- Kerguelen Plateau
- Titanic wreck site
- Monterey Canyon
- East Pacific Rise