: occurring after an eruption (such as a volcanic eruption)
posteruption climate change
… to make alternative plans the next time its winter carnival falls during a posteruption winter warming.Richard A. Kerr

Examples of post-eruption 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.
Back on land, Beinart’s lab is now studying post-eruption changes in the genetic diversity in host animals and the bacteria that provide their energy. Ashley Balzer Vigil, Ars Technica, 4 Sep. 2024 Given the level of destruction, Pompeii’s few post-eruption inhabitants would have made their homes amid upper floor ruins of any buildings that endured the devastation. Andrew Paul Aug 7, Popular Science, 7 Aug. 2025 Vegetation also slowly returned to the land, and Pompeii’s post-eruption inhabitants dug wells to reach groundwater beneath the ash coating the city, the study authors said. Ashley Strickland, CNN Money, 14 Aug. 2025

Word History

First Known Use

1907, in the meaning defined above

Time Traveler
The first known use of post-eruption was in 1907

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Cite this Entry

“Post-eruption.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/post-eruption. Accessed 10 Jul. 2026.

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