- 火山口 huǒshānkǒu cratervolcanic crater; the vent of a volcano where magma is ejected
- 火山岩 huǒshānyán volcanic rockrock formed by the cooling and solidification of magma at or near the earth's surface; lava
- 火山爆发 huǒshānbàofā volcanic eruptioneruption of a volcano; the process by which a volcano ejects gas, lava, and debris due to geothermal heat
- 火山灰 huǒshānhuī volcanic ashvolcanic ash; fine dust ejected from a volcano during an eruption
- 活火山 huóhuǒshān active volcanoA volcano that is currently erupting or erupts periodically.
- 火山学 huǒshānxué volcanologythe scientific study of volcanoes
- 火山岛 huǒshāndǎo volcanic island
- 死火山 sǐhuǒshān extinct volcanoA volcano that has had no eruption records in human history and is no longer capable of activity.
- 维苏威火山 wéisūwēihuǒshān Mount VesuviusActive volcano located on the Gulf of Naples in southwestern Italy, famous for the eruption in 79 AD that buried the city of [[庞贝|龐貝|pang2 bei4]]
- 泥火山 níhuǒshān mud volcanoa geological landform created by the eruption of mud, water, and gases; commonly found in volcanic or geothermal areas
- 休眠火山 xiūmiánhuǒshān dormant volcanoA volcano that has erupted in historical times and may erupt again, but is currently in a long period of inactivity.
- 火山带 huǒshāndài volcanic beltA large area or region where volcanoes are distributed, typically found along tectonic plate boundaries or formed by hotspots.
- 埃特纳火山 āitènàhuǒshān Mount EtnaMount Etna, an active volcano located in northeastern Sicily, Italy.
- 喀拉喀托火山 kālākātuōhuǒshān KrakatoaKrakatoa, a volcanic island located in Indonesia
- 火山砾 huǒshānlì lapillismall rock fragments or pebbles ejected from a volcano
- 火山豆 huǒshāndòu macadamia nut
- 炽热火山云 chìrèhuǒshānyún nuée ardenteA fast-moving cloud of hot gas and volcanic ash; a pyroclastic flow
- 环太平洋火山带 huántàipíngyánghuǒshāndài Ring of FireAn area around the rim of the Pacific Ocean where many volcanic eruptions and earthquakes occur; circum-Pacific seismic belt
- 火山地震 huǒshāndìzhèn volcanic earthquakeAn earthquake caused by underground magma activity or a volcanic eruption, typically characterized by relatively low intensity and a limited impact area.
- 休火山 xiūhuǒshān dormant volcanoA volcano that has erupted in the past and is currently inactive but still capable of erupting again.
- 低平火山口 dīpínghuǒshānkǒu maara broad, low-relief volcanic crater caused by a phreatomagmatic eruption
- 喷火山 pēnhuǒshān volcanoA volcano, especially one in a state of eruption that ejects lava, gravel, mud, or steam
- 国家火山公园 guójiāhuǒshāngōngyuán Hawaiʻi Volcanoes National ParkHawaiʻi Volcanoes National Park on the island of Hawaiʻi
- 夏威夷火山国家公园 xiàwēiyíhuǒshānguójiāgōngyuán Hawaii Volcanoes National Park
- 大屯火山群 dàtúnhuǒshānqún Tatun Volcanic Groupa group of volcanoes located in northern Taiwan, specifically north of Taipei city limits of Taipei
- 太平洋火山带 tàipíngyánghuǒshāndài Ring of Firemajor area in the basin of the Pacific Ocean where many earthquakes and volcanic eruptions occur
- 火山作用 huǒshānzuòyòng volcanismThe process of magma and associated gases rising from the Earth's core, intruding into the crust, or erupting onto the surface and into the atmosphere
- 伊通火山群 yītōnghuǒshānqún Yitong volcanic areaA volcanic group located in the Yitong Manchu Autonomous County, Jilin Province
- 火山毛 huǒshānmáo Pele's hairin geology, thin threads of volcanic glass formed from cooled lava
- 火山活动 huǒshānhuódòng volcanic activityvolcanic activity; volcanism; volcanicity
- 火山灰土 huǒshānhuītǔ andosolandosol; a type of dark soil formed from volcanic ash
- 火山爆发指数 huǒshānbàofāzhǐshù Volcanic Explosivity Indexa scale that measures the relative explosiveness of volcanic eruptions
- 火山石 huǒshānshí volcanic rockvolcanic rock; lava; pelelith
- 火山碎屑流 huǒshānsuìxièliú pyroclastic flowa fast-moving current of hot gas and volcanic matter that moves away from a volcano during an eruption