Abstract
High-Resolution AUV Mapping and Targeted ROV Observations of Three Historical Lava Flows at Axial Seamount
Highlights
The most voluminous volcanic activity on Earth occurs in the deep sea (Crisp, 1984) along the global 65,000 km-long mid-ocean ridge system
The lava flows produced by eruptions at Axial Seamount in 1998, 2011, and 2015 were mapped at 1 m resolution from autonomous underwater vehicles (AUVs) developed at the Monterey Bay Aquarium Research Institute (MBARI)
New Results New AUV mapping of much of the south rift (Figure 2a) and comparison to pre1998 ship bathymetry did not detect any 1998 lava flows there, in agreement with earlier results based on pre- and post-eruption ship surveys
Summary
The most voluminous volcanic activity on Earth occurs in the deep sea (Crisp, 1984) along the global 65,000 km-long mid-ocean ridge system. ~50 km down the south rift (Dziak and Fox, 1999), but comparison of pre- and post-eruption ship-based bathymetric surveys did not detect new lava flows in those distal areas (Chadwick at al., 2013).
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