Magnetic processed data (Proton precession magnetometer working area dataset) of RV YOKOSUKA & RV HAKUHO MARU during cruise YK18-07, YK19-04S, YK20-18S & KH-18-02, gridded magnetic anomaly

Track line geophysical data were collected in the Mado Megamullion oceanic core complex and the adjacent areas. The data were obtained between 2018 to 2021 during five cruises; R/V Yokosuka (JAMSTEC) YK18-07, YK19-04S, YK20-18S, YK22-18S, and R/V Hakuho-maru KH-18-02. The survey covers the oceanic core complex and the adjacent area from 138°20'E to 139°40'E and from 22°50'N to 24°50'N. The total magnetic field was measured using a proton precession magnetometer towed behind the ship.