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the claim

Volcanic arcs exhibit gaps in distribution caused by variations in subducting plate geometry.

the verdict
SUPPORTED
the evidence backs this
Recorded sources
2 sources for · 0 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 volcanic arcs exhibit gaps in distribution caused by variations in subducting plate geometry?

Yes. Volcanic arcs frequently exhibit spatial gaps in their distribution that are directly tied to structural variations and geometric anomalies in the underlying subducting plate.

Verdict: SUPPORTED · 2 sources for, 0 against · Last checked

The analysis

The claim is specific, empirical, and testable. The retrieved literature includes multiple peer-reviewed studies (such as papers 0 and 3) demonstrating that volcanic gaps (like those in the Cascades and Alaska) correlate directly with subducting plate geometry and structural segmentation. No papers refute the core premise.

Evidence for · 2
Distribution of Late Cenozoic volcanic vents in the Cascade range: Volcanic arc segmentation and regional tectonic considerations
1988
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Guffanti, M. & Weaver, C. (1988). Distribution of Late Cenozoic volcanic vents in the Cascade range: Volcanic arc segmentation and regional tectonic considerations. doi.org. https://doi.org/10.1029/JB093IB06P06513

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More for · 1
The Crustal Magmatic Structure Beneath the Denali Volcanic Gap Imaged by a Dense Linear Seismic Array
2023
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Rabade, S., Lin, F., Tape, C., Ward, K. M., Waldien, T., & Allam, A. (2023). The Crustal Magmatic Structure Beneath the Denali Volcanic Gap Imaged by a Dense Linear Seismic Array. doi.org. https://doi.org/10.1029/2023JB027152

Receipt History
first checked04 Aug 2026
judged → SUPPORTED · 8904 Aug 2026
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