South China Sea: Beijing resources ministry gauges depth of new Vietnamese port on reef
Chinese government study says laser satellite data reveals harbour deep enough for advanced warships on largest reef in the Spratly Islands.
朝日新聞社10 个月
Oceanic volcanic eruption blamed for mysterious October tsunami
citing that the seabed topography has changed significantly within just about a year and that volcanic pumice was found in the surrounding sea area. "It is rare for the seabed topography to change ...