vulcanologist
1. There is no immediate need to raise the alert status for Indonesia's volatile Mount Merapi, despite magma moving higher inside the volcano, a leading vulcanologist said on Thursday.
一位主要的火山研究者周四表示,尽管岩浆在这座活跃的火山内逐渐升高,但目前并没有提高警戒层级的立即需要。
2. Popayan vulcanologist, Carlos Eduardo Cardona:The mission of the observatories is to monitor the volcanoes and give information about their behaviour and their possible changes.
观测的任务就是去监看火山,得到关于其活动和其他可能变化的资讯。