Augustine Volcano (Alaska) during its eruptive phase on January 24, 2006 A volcano is commonly defined as a vent or fissure in the crust of a planetary-mass object, such as Earth, that allows hot …

3 days ago · Volcano, vent in the crust of Earth or another planet or satellite, from which issue eruptions of molten rock, hot rock fragments, and hot gases. The term volcano can also refer to the landform …

Principal Types of Volcanoes Geologists generally group volcanoes into four main kinds--cinder cones, composite volcanoes, shield volcanoes, and lava domes. Cinder cones C inder cones are the …

Feb 25, 2025 · Discover interesting facts about volcanoes, including why and where they form and history's deadliest eruption.

The drop down items below contain 6 descriptions of volcano types based on morphology. They were originally written for an "ask-a-volcanologist" answer. Read on for a bit more information and history …

The Global Volcanism Program (GVP) seeks better understanding of all volcanoes through documenting their eruptions during the past 12,000 years.

Get more information about volcanoes from National Geographic.

Color code explanation (click to close legend) Black = (Probably) extinct Green = normal activity / dormant Yellow = unrest: some signs of unrest, but no eruption in near future (days to weeks) likely …

Jan 21, 2025 · Volcanoes have long been a source of myths and legens. To ancient cultures, volcanoes’ power could only be explained as acts of gods or demigods. We now know that volcanoes are in fact …

Dec 21, 2023 · Did you know Texas has volcanoes? Here’s where you can see them.