volcanism

noun

vol·ca·nism ˈväl-kə-ˌni-zəm

ˈvȯl-

: volcanic action or activity

Examples of volcanism in a Sentence

Recent Examples on the Web

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.

Moon rocks found in Antarctica include tiny amounts of gas that may have come from Earth If true, then this geologically recent volcanic and tectonic activity means that the moon is still contracting as heat slowly leaks out from its interior, and that volcanism might still be happening today. —

Keith Cooper, Space.com, 3 Feb. 2025 But almost simultaneously, intense volcanism covered a vast area of the Indian subcontinent with over 2 kilometers thick lava flows. —

David Bressan, Forbes, 23 Dec. 2024 This led to the discovery of a hitherto unknown region of Io that's subject to extreme volcanism across 40,000 square miles (100,00 square kilometers). —

Robert Lea, Space.com, 31 Jan. 2025 With the effects of volcanism practically ruled out, this would leave the Yucatán meteorite impact as the primary cause of the later mass extinction. —

David Bressan, Forbes, 23 Dec. 2024 See all Example Sentences for volcanism