Volcano | Definition, Types, & Facts | Britannica
Web4 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. A volcanic eruption is an awesome display of Earth’s power. Yet, while eruptions are spectacular to watch, they can cause disastrous loss of life and property, especially in densely populated ...
Volcano - Wikipedia
WebA volcano is a rupture in the crust of a planetary-mass object, such as Earth, that allows hot lava, volcanic ash, and gases to escape from a magma chamber below the surface.
Volcano facts and information - National Geographic
WebJan 15, 2018 · Volcanoes, explained. These fiery peaks have belched up molten rock, hot ash, and gas since Earth formed billions of years ago. By Maya Wei-Haas. January 15, 2018. • 7 min read. Volcanoes are...
Volcanoes - National Geographic Society
WebOct 19, 2023 · A volcano is an opening in a planet or moon’s crust through which molten rock, hot gases, and other materials erupt. Volcanoes often form a hill or mountain as layers of rock and ash build up from repeated eruptions. Volcanoes are classified as active, dormant, or extinct.
Indonesia raises alert for Mount Ibu volcano to highest level …
Web20 hours ago · JAKARTA, Indonesia (AP) — Indonesian authorities on Thursday raised the alert level for Mount Ibu, a volcano in North Maluku province, to the highest level following a series of eruptions since last week.. The 1,325-meter (4,347-foot) volcano on the northwest coast of the remote island of Halmahera has been spewing thick grey ash and dark clouds up to 5,000 meters (16,400 feet) into the air ...
Volcanoes and Volcanic Eruptions - Facts and Information
WebA volcano is a vent in Earth's surface where magma, gas, and ash escape. The name is also used for cones of erupted material at the vent. Volcanoes are found on many planets and moons in our solar system. Plate Tectonics and Mount Vesuvius.
Volcanoes 101 | National Geographic - YouTube
WebJan 14, 2020 · National Geographic. 23M subscribers. Subscribed. 193K. 30M views 4 years ago #Volcanoes #NationalGeographic #Educational. About 1,500 active volcanoes can be found around the world. Learn...
Global Volcanism Program | Current Eruptions
WebJul 7, 2018 · Overall, 48 volcanoes were in continuing eruption status as of 19 April 2024. An eruption marked as "continuing" does not always mean persistent daily activity, but indicates at least intermittent eruptive events without a break of 3 months or more.
Forces of Nature - National Geographic Society
WebForces of Nature. What is a volcano? A volcano is an opening in the Earth's surface through which lava, volcanic ash, and gases escape. Ancient people believed that volcanoes were under the control of the gods. In fact, the word volcano comes from Vulcan, the Roman god of fire.
What Is a Volcano? | NASA Space Place – NASA Science for Kids
WebMay 6, 2024 · A volcano is an opening on the surface of a planet or moon that allows material warmer than its surroundings to escape from its interior. When this material escapes, it causes an eruption. An eruption can be explosive, sending material high into the sky. Or it can be calmer, with gentle flows of material.
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