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the claim
The largest volcanoes on Earth are found on land rather than on the ocean floor.
the verdict
INSUFFICIENT LEANING
Recorded sources
0 sources for · 3 against
Is it true that the largest volcanoes on Earth are found on land rather than on the ocean floor?
Unclear. Three sources lean against the claim: NOAA states the greatest number of Earth's volcanoes occur on the ocean floor, a textbook chapter notes underwater volcanic formations are a dominant ocean-floor feature, and a peer-reviewed study suggests the submerged Tamu Massif could be the largest single volcano on Earth. None of these directly compares the largest land volcano with the largest ocean-floor volcano, so the evidence only partially addresses the claim.
Verdict: PARTIAL LEAN · 0 sources for, 3 against · Last checked
Evidence against · 3
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Do volcanoes occur in the ocean?dot gov iconhttps icon. (n.d.). oceanservice.noaa.gov. https://oceanservice.noaa.gov/facts/volcanoes.html
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More against · 2
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Jovanelly, T. J. (2026). Where Does Lava Come
From, and Where are Volcanoes Found on Earth?. doi.org. https://doi.org/10.1093/wentk/9780197817469.003.0001Get citation
An immense shield volcano within the Shatsky Rise oceanic plateau, northwest Pacific Ocean. (n.d.). cir.nii.ac.jp. https://doi.org/10.1038/ngeo1934
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