Diana C. Roman¹, Peter La Femina², Charles Connor³, Christelle Wauthier⁴, Maureen D Feineman², Elisabeth Gallant³, Armando Saballos⁵, Wilfried Strauch⁵, Virginia Tenorio⁵ and Martha Navarro⁵, (1)Carnegie Institution for Science, Department of Terrestrial Magnetism, Washington, DC, United States, (2)The Pennsylvania State University, Department of Geosciences, University Park, PA, United States, (3)University of South Florida, School of Geosciences, Tampa, FL, United States, (4)The Pennsylvania State University, Department of Geosciences and Institute for Cyber Science, University Park, United States, (5)Instituto Nicaragüense de Estudios Territoriales, Managua, Nicaragua