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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

Counts group repeated records of the same source within each side. They do not measure evidence strength or source independence.

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

The private library was unavailable for some searches in this check. Missing library results are not evidence against the claim.

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
2026
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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/9780197817469.003.0001

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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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