2026-10-10T12:45:23Z https://www.scidb.cn/oai

10.57760/sciencedb.011mm 2026-09-13T20:15:19Z

2026-09-13 Ocean Bottom Seismometer data of a two-dimensional seismic survey in the Huatung Basin–Gagua Ridge–Gagua Rise doi:10.57760/sciencedb.011mm en The wide-angle reflection/refraction seismic profile OBS2022-1 crossing the Huatung Basin was carried out with R/V Shiyan 6 of the South China Sea Institute of Oceanology, Chinese Academy of Sciences (SCSIO, CAS) in July 2022. This survey profile spans 270 km and is approximately E-W oriented. During the cruise, 23 portable Ocean Bottom Seismometers (OBSs) were deployed and 21 were recovered, with ~9 km spacing and sampling rates of 100–250 Hz. Among the recovered instruments, we use 21 stations (OBS01–OBS11, OBS13–OBS20, and OBS22–OBS23) for traveltime picking and velocity modeling because they provide high-quality arrivals. Ocean Bottom Seismometer; Marine Geophysics; Seicmic Data Jiahao Zhu PUBLIC https://creativecommons.org/licenses/by-nc-sa/4.0/ dataset Science Data Bank