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Olympus Mons on Mars is the largest known volcano in the solar system. Its base sprawls across about 373 miles, NASA says.

2 sources verified 2 min read
Olympus Mons on Mars is the largest known volcano in the solar system. Its base sprawls across about 373 miles, NASA says.ILLUSTRATION · AI

Olympus Mons on Mars, the largest known volcano in the solar system, has a base about 373 miles (600 kilometers) across.

NASA's Jet Propulsion Laboratory describes Olympus Mons as the largest known volcano in the solar system, over 600 kilometers at the base. Its summit caldera, the central depression, is about 25 kilometers across.

On March 11, 2024, NASA's 2001 Mars Odyssey orbiter captured the volcano in a single horizon image Horizon views like it help scientists learn more about clouds and airborne dust on Mars.

SourcesEvery claim traced
  2. NASA/JPL: PIA00300 Olympus Mons
    Tier 1 · Primary1998
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