New analysis provides a stunning peek into the inner workings—and potential hazards—of volcanoes thought to have long ago gone quiet.

For more information, click on the following links:

Extinct or asleep volcanoes: hints from Ciomadul (Romania)

https://www.sciencedirect.com/science/article/pii/S0012821X19303371?via%3Dihub

https://www.nationalgeographic.com/science/2019/07/magma-found-simmering-under-extinct-volcano-what-that-means/