principal volcano meaning in Hindi

Examples

1. Each segment has at least one principal volcano along with several smaller edifices.
2. The first phase occurred 35, 700 years ago, and ceased with the collapse of the principal volcano.
3. Said Patrick Muffler, acting regional geologist and the center's principal volcano-hazards specialist : " This center holds an absolutely world-class earthquake group, and moving its members apart would be spectacularly injurious ."