Articles | Volume 10, issue 4
Solid Earth, 10, 1269–1282, 2019
https://doi.org/10.5194/se-10-1269-2019
Solid Earth, 10, 1269–1282, 2019
https://doi.org/10.5194/se-10-1269-2019
Research article
02 Aug 2019
Research article | 02 Aug 2019

Extrusion dynamics of deepwater volcanoes revealed by 3-D seismic data

Qiliang Sun et al.

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Latest update: 20 Sep 2022
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Short summary
3-D seismic reflection data reveal that deepwater volcanoes have rugged basal contacts, which truncate underlying strata, and erupted lava flows that feed lobate lava fans. The lava flows (>  9 km long) account for 50–97 % of the total erupted volume. This indicates that deepwater volcanic edifices may thus form a minor component (~ 3–50 %) of the extrusive system and that accurate estimates of erupted volume require knowledge of the basal surface of genetically related lava flows.