As one of the ocean sudden natural disasters,the tsunami is not easily to differentiate from the ocean variation in the open ocean due to the tsunami wave ampli
Based on analysis of the GPS data during 1999-2007,2009-2011,and 2011-2013 mainly from the Crustal Motion Observation Network of China,we obtained the GPS horiz
On February 12,2014,a large Mw7. 3 earthquake occurred in Yutian of Xijiang Province,China.We processed the global ionosphere maps provided by CODE( the Center for Orbit Determination in Europe)and th