^○Hector Mora-Paez¹, Dave Mencin², Peter Molnar², Hans Diederix¹, Leonardo Cardona-Piedrahita¹, Yuli Corchuelo¹, Juan-Ramon Pelaez-Gaviria¹ (1.Colombian Geological Survey, Space Geodesy Research Group, Bogota, Colombia, 2.Department of Geological Sciences, Cooperative Institute for Research in Environmental Sciences (CIRES), University of Colorado, USA)

Carlos Alberto Vargas Jimenez¹, Gaspar Monsalve², Faustino Blanco¹, Esteban Poveda³,^○Marcelo Assumpcao⁴ (1.Universidad Nacional de Colombia at Bogota, 2.Universidad Nacional de Colombia at Medellin, 3.Universidade Federal do Rio Grande do Norte at Natal, Brazil, 4. University of Sao Paulo)

^○Takaya Iwasaki¹, Noriko Tsumura², Tanio Ito³, Hiroshi Sato¹, Eiji Kurashimo¹, Naoshi Hirata¹, Kazunori Arita⁴, Katsumi Noda⁵, Akira Fujiwara⁵, Susumu Abe⁶, Shinsuke Kikuchi⁶, Kazuko Suzuki⁷ (1.ERI, the University of Tokyo, Tokyo, Japan, 2.Graduate School of Science, Chiba University, Chiba, Japan, 3.Heisei Teikyo University, Tokyo, Japan, 4.The Hokkaido University Museum, Hokkaido University, Sapporo, Japan, 5.JGI, Inc., Tokyo, Japan, 6.JAPEX, Tokyo, Japan, 7.Schlumberger Ltd., Tokyo, Japan)

^○Pall Einarsson (Institute of Earth Sciences, University of Iceland, Reykjavik, Iceland)

^○Kevin Furlong, Matthew Herman (Penn State University, University Park, PA USA)