High quality multi-frequency seismic profiles obtained during KY06-01 cruise in the Sagami Bay, Japan

抄録

In February 2006, intensive seismic survey was carried out in Sagami Bay area, central Japan, during the KY06-01 cruise using R/V Kaiyo of JAMSTEC (Japan Agency for Marine-Earth Science and Technology). This cruise follows the previous KY05-06 cruise survey, in which we conducted single-channel seismic survey in the same area. Used tools are a 18 channel streamer with two 355 in³ GI guns, and a single-channel streamer with a cluster gun. We obtained 21 profiles with GI-guns in the eastern Sagami Bay, 20 profiles with GI-gun in the western Sagami Bay and 20 profiles with cluster gun near Hatsushima cold seep communities in the western Sagami Bay. Very clear acoustic images were captured with different frequencies on the same lines. We present here the seismic profiles obtained during the KY06-01 cruise.