Volcano - Wikipedia
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 …
Volcano | Definition, Types, & Facts | Britannica
Nov 26, 2025 · 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 …
Volcano facts and information | National Geographic
Get more information about volcanoes from National Geographic.
Volcano facts and types of volcanoes | Live Science
Feb 25, 2025 · Discover interesting facts about volcanoes, including why and where they form and history's deadliest eruption.
Global Volcanism Program - Smithsonian Institution
The Global Volcanism Program (GVP) seeks better understanding of all volcanoes through documenting their eruptions during the past 12,000 years.
Volcano Hazards Program | U.S. Geological Survey
3 days ago · There are about 170 potentially active volcanoes in the U.S. The mission of the USGS Volcano Hazards Program is to enhance public safety and minimize social and economic disruption …
Which volcanoes are erupting? - List & map of active volcanoes …
3 days ago · Interactive Map of Active Volcanoes and recent Earthquakes world-wide
Texas Has Over 200 Volcanoes. Here's Where to Find Some of Them
Jul 15, 2025 · Texas has more than 200 volcanoes. But don’t worry, they’re extinct. Still, they make for a pretty cool road trip stop. Here’s where to find some of them.
Types of Volcanoes | Volcano World | Oregon State University
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 …
Volcanes: qué son y cómo se forman - National Geographic España
Mar 4, 2025 · ¿Qué es un volcán? ¿Cómo se forman los volcanes? ¿Cuáles son las partes de un volcán? ¿Cuántos tipos de volcanes hay? ¿Cuántos volcanes están actualmente en erupción?