Located in Sicily, Mount Etna is Europe's most active volcano. Yet its origin remains largely enigmatic, as no existing ...
Learn how Mount Etna stands apart from most volcanoes, having been formed by pockets of magma held in Earth's upper mantle.
The Kikai Caldera. (Seama Nobukazu/CC BY 4.0) About 7,300 years ago, a volcano off Japan's Kyushu island unleashed what ...
No other puʻus exist on the caldera rim, but geologic deposits of tephra fall mapped in Kīlauea’s summit region indicate that ...
Past “Volcano Watch” articles have summarized the episodic lava fountaining eruptions in Kilauea’s recent history—within the ...
A team of marine researchers lowered a camera beneath the ocean surface to capture, for the first time ever, how underwater ...