Record #00047Space archive
NASA confirms Olympus Mons on Mars is the largest volcano in the solar system, with its base covering an area as large as the US state of Arizona.
Current Record
about22km high
Current record value
NASA Mars Odyssey caption: Olympus Mons rises over 40 km from base to summit, base as large as Arizona.
Commonly cited height ~22 km above datum (MOLA ~21.3 km), ~2.5x Everest elevation; ~600 km across.
The record conclusion has sufficient verification support.
Verification explanation pending
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