A pilot encountered an ash plume from the erupting Mount Galunggung in Java, Indonesia in 1982.
1982年，一名飞行员在印度尼西亚的爪哇岛遇到了从喷发的加隆贡火山喷发出的火山灰羽。
2
The natural history of the Hawaiian island chain clearly shows the movement of the Pacific plate over a fixed plume.
夏威夷岛链的自然历史清楚地显示了太平洋板块在一个固定的羽流上的运动。
3
The surface mark of an established plume is a hot spot—an isolated region of volcanoes and uplifted terrain located far from the edge of a surface plate.