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EntityQ8072· pop 233· linked from 5,130 articles

火山

天然，表面通風或裂縫，通常呈山地形式

OverviewAI-generated

A volcano is a subclass of mountain. It is named after Vulcano. The subject has parts including volcanic rock. It is made from material such as volcanic rock, magma, lava, and lava flow. Products or materials produced by volcanoes include carbon dioxide, igneous rock, and carbon dioxide in the atmosphere of Earth.

Volcanoes are studied by geology, volcanology, igneous petrology, and geophysics. They are distinct from mud volcanoes and Berkane. The Unicode character for a volcano is 🌋. OpenStreetMap tags volcanoes with natural=volcano. The topic is maintained by WikiProject Mountains, WikiProject Geology, and WikiProject Anthropology. It is referenced by 5,130 other encyclopedia articles.

Synthesized by Vinony from 28 facts across 3 sources: Wikidata, Firecrawl, Vinony graph. Generated from structured data (not the Wikipedia text) and checked against those facts — may still contain errors.

Described at

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Wikidata facts

Has part: volcanic rock
Named after: Vulcano
Material used: tephra
Image: Erupción en el volcán Sabancaya, Perú.jpg

Show 16 more facts

Unicode character: 🌋
equivalent class: schema.org/Volcano
OpenStreetMap tag: natural=volcano
Commons category: Volcanoes
Commons gallery: Volcano
topic's main Wikimedia portal: Portal:Volcanoes
topic's main category: Category:Volcanoes
topic has template: Template:Volcanoes
on focus list of Wikimedia project: Wikipedia:Vital articles/Level/4
category for eponymous categories: Category:Wikipedia categories named after volcanoes
studied by: geodynamics
different from: Berkane
product or material produced: carbon dioxide in the atmosphere of Earth
described at URL: neal.fun/earth-reviews/volcanoes
exact match: purl.obolibrary.org/obo/ENVO_00000247
maintained by WikiProject: WikiProject Anthropology

Sources (8)

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Article · 中文

火山是地表下在岩浆库中的高温岩浆及其有关的气体、碎屑从行星的地壳中喷出而形成的，具有特殊形態的地质结构。岩石圈由若干板块组成，它们漂浮在地幔的软流层之上，在板块的交界处岩石圈比较破碎，地下岩浆容易在此喷发形成火山。火山可以分为死火山、休眠火山和活火山。在一段时间内，没有出現喷发事件的活火山叫做睡火山（休眠火山）。另外还有一种泥火山，它在科学上严格来说不属于火山，但是许多社会大众也把它看作是火山的一种类型。火山爆发可能会造成许多危害，常伴有地震，影响范围不仅在火山爆发附近。其中一个危险是火山灰可能对飞机构成威胁，特别是那些喷气发动机，其中灰尘颗粒可以在高温下熔化; 熔化的颗粒随后粘附到涡轮机叶片并改变它们的形状，从而中断涡轮发动机的操作。大型爆发可能会影响气温，火山灰和硫酸液滴遮挡太阳辐射并冷却地球的低层大气（或对流层）; 然而，它们也吸收地球辐射的热量，从而使高层大气（或平流层）变暖。历史上，火山冬天造成了灾难性的饥荒。虽然火山喷发会对人类造成危害，但同时它也带来一些好处。例如：可以促进宝石的形成；扩大陆地的面积（夏威夷群岛就是由火山喷发而形成的）；作为观光旅游考察景点，推动旅游业，如日本的富士山。专门研究火山活动的学科称为火山学。

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