The recent earthquake swarm near Santorini has brought the topic of volcanoes in Greece back into the spotlight.

For most of deep time, spreading ridges released more carbon than volcano chains, changing how we interpret Earth’s climate history.

Depending on how you count them, the Big Island is home to an astounding seven volcanoes -- Kilauea, Mauna Loa, Mauna Kea, Hualalai, Mahukona, Kohala and Kamaʻehuakanaloa (which is forming underwater ...