A broad shield volcano with lava channels, a snow-capped summit, a dark volcanic plume, and an observatory dome on its slope.

Earth's largest active volcano demands respect — take the Mauna Loa quiz now

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Thirty thousand feet from ocean floor to summit. Bigger than Everest if you count what's hidden underwater. Mauna Loa has been erupting for 700,000 years and it's not done yet. Lava bombed by the military, snow on a tropical peak, and a goddess watching from above.

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Flat illustration of an erupting orange volcano with dark smoke clouds and a palm tree on a light gray background