Magnetometer data from the Jurassic Quiet Zone, western Pacific (SKQ202418S, 2024-2025)

This magnetics data set was collected using a SeaSPY2 magnetometer during a survey of the Jurassic Quiet Zone area in the western Pacific Ocean, as part of Sikuliaq cruise SKQ202418S in late 2024 and early 2025. These magnetometer data files are in ASCII format with the following columns: year, month, day, hour, minute, second, longitude (decimal degrees), latitude (decimal degrees), measured total magnetic field in nT, magnetic anomaly corrected using the 14th generation IGRF release in nT, diurnal corrected anomaly in nT. Navigation information was derived from the R/V Sikuliaq Seapath navigation system, and locations were corrected for the position of the magnetometer (towed 325 m behind the ship). There are gaps in the data for periods when the magnetometer was not deployed. The diurnal correction was applied using the Pohnpei base station and scaled between Guam and Honolulu base stations. The data set was acquired as part of the project called Resolving the Origin of the Jurassic Quiet Zone. Funding was provided by NSF awards OCE22-21814 and OCE22-21815.