From October 19 to November 12, 2024 (Honolulu, Hawaiʻi, to Honolulu, Hawaiʻi), NOAA Ocean Exploration conducted the Papahānaumokuākea Marine National Monument Mapping expedition (EX2501), a mapping expedition to Papahānaumokuākea Marine National Monument. EX2501 mapped 44,264 sq. km of seafloor, all within the U.S. Exclusive Economic Zone >200m water depth.
Albano et al. (Fri,) studied this question.