Depth-dependence of time-lapse seismic velocity change detected by a joint interferometric analysis of vertical array data

Kaoru Sawazaki1, Tatsuhiko Saito2, Tomotake Ueno3,4 and Katsuhiko Shiomi2, (1)National Research Institute for Earth Science and Disaster Resilience, Earthquake and Tsunami Research Division, Tsukuba, Japan, (2)National Research Institute for Earth Science and Disaster Resilience, Tsukuba, Japan, (3)NIED National Research Institute for Earth Science and Disaster Prevention, Tsukuba, Japan, (4)National Research Institute for Earth Science and Disaster Prevention, Tsukuba, Japan