海底数据的严重匮乏束缚了我们对地震和火山的认识。地球物理学家必须在近海安置更多的仪器,A.V.Newman说。3月11日袭击日本的东北近海9.0级地震及其所引发的海啸,不仅对于日本民众是个巨大的灾难,对于整个科学界也同样是场灾难。地震学家曾低估了这场地震的规模,其规模是他们预料的4倍甚至更大,海 The severe lack of seabed data constrains our understanding of earthquakes and volcanoes. Geophysicists have to place more instruments offshore, A.V. Newman said. The March 9.0 earthquake off Japan’s northeastern offshore area of ​​magnitude 9.0 and its tsunami triggered not only a huge disaster for the Japanese people, but also a disaster for the entire scientific community. Seismologists have underestimated the size of the earthquake, its size is that they expected 4 times or more, the sea