volcanics in a sentence

Examples

1. Tsunami are potentially dangerous waves triggered by seismic or volcanic activity.
2. The islands of the Comoros Archipelago were formed by volcanic activity.
3. In countries where volcanic ashes are available ( e . g.
4. The volcanic islands tend to be younger, the more westward.
5. Because of volcanic threat, the northern islands have been evacuated.
6. Geologically, these islands were formed by volcanic and seismic events.
7. Historically, so-called volcanic winters have caused catastrophic famines.
8. Volcanic eruptions may inject aerosols into the Earth's atmosphere.
9. The Yellowstone Caldera is the largest volcanic system in North America.
10. Most are volcanic and extrusive in nature, rather than tectonic.