Most volcanoes form at the boundaries of Earth's tectonic plates, which are huge slabs of crust and upper mantle that fit together like puzzle pieces. Think of these plates as massive rafts floating ...

A new submarine volcano was formed off the island of Mayotte in the Indian Ocean in 2018. This was shown by an oceanographic campaign in May 2019. Now an international team has illuminated the ...

Underwater volcanoes are powerful geological forces shaping our planet and oceans. These hidden giants form through tectonic activity and magma rising from Earth's depths. While most eruptions are ...

*Refers to the latest 2 years of stltoday.com stories. Cancel anytime. Q How do volcanoes form, and how did the volcano of Pompeii show up? — Andrew Vigliotta, Mount Horeb, Wis. A Clifford Thurber, ...