WebSep 27, 2024 · A volcano is a feature in Earth's crust where molten rock is squeezed out onto the Earth's surface. Along with molten rock, volcanoes also release gases, ash, and solid rock. WebAn active volcano is a volcano which is either erupting or is likely to erupt in the future. ... uses this definition, by which there are more than 500 active volcanoes. As of March 2024, the Smithsonian Global Volcanism Program recognizes 560 volcanoes with confirmed historical eruptions. As of 2013 ...

Volcano - Wikipedia

WebOct 18, 2024 · One of the strategies to detect the precursors of an eruption is to define the background dynamical state of a volcano for a prompt recognition of deviations from the basic condition. Mt. Vesuvius (Italy), currently in a quiescent state, is one of the most monitored volcanoes in the world, inciting multidisciplinary advanced studies. Hence an … Web1. Of, resembling, or caused by a volcano or volcanoes: a volcanic peak; volcanic islands. 2. Produced by or discharged from a volcano: volcanic ash. 3. Characterized by the presence of volcanoes. 4. Powerfully explosive: a volcanic temper. fly or train from london to paris

Volcano definition and meaning Collins English …

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. On Earth, volcanoes are most often found where tectonic plates are diverging or converging, and most are found underwater. For example, a mid-ocean ridge, such as the Mid ... WebMagma which has reached the surface through a volcanic eruption. The term is most commonly applied to streams of liquid rock that flow from a crater or fissure. It also refers to cooled and solidified rock. Lava Flow. An outpouring of lava onto the land surface from a vent or fissure. Also, a solidified tongue like or sheet-like body formed by ... green party scotland leader