The Greek Islands might make you think of turquoise waters, stunning architecture, and Meryl Streep singing ABBA. But the island of Santorini – which was formed by volcanic activity – has a destructive past. In early 2025, over 20,000 small earthquakes prompted a Santorini evacuation. Geologist Shawn Willsey discusses the quakes on Santorini, and dives into the island's destructive past as well as its future. We'll also cover volcanic science and monitoring around the world, including here in the US.

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