1996年8月在我国首都北京召开的第三十届国际地质大会,会前、会后安排了两处有关东北区火山的旅游点,即五大连池和长白山。火山,是地球深部内动力地质作用的表现,是海底扩张、大陆漂移、板块碰撞运动的产物。它常与地震相伴生,与人类的生存、发展 In August 1996, at the thirtieth International Geological Congress held in Beijing, China’s capital, two pre-meeting and post-conference tours on the volcanoes in northeastern China were planned, the Wudalianchi and Changbai Mountains. Volcanoes are the manifestation of dynamical geological features in the deep earth and are the product of submarine expansion, continental drift and plate collision. It often accompanied by earthquakes, and human survival and development