KML(Keyhole Markup Language)is a file format used by Google Earth to express geotag.Google Earth is a powerful 3D virtual software and is widely used in the geosciences.In this study,writing in KML,we achieve a 3D dynamic demonstration of earthquakes occurring since the Wenchuan earthquake on the Longmenshan fault zone.Dragging on the time axis not only shows the three-dimensional spatial distribution of earthquakes,but also provides useful information on the full range of the observed seismic activity and seismic migration.
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张艺,丁晓光,于嘉涛.基于KML的地震震源三维动态演示[J].地震工程学报,2014,36(4):1122-1125. ZHANG Yi, DING Xiao-guang, YU Jia-tao.3D Dynamic Demonstration of Earthquake Source Using Keyhole Markup Language[J]. China Earthquake Engineering Journal,2014,36(4):1122-1125.