Related by context. Frequent words. (Click for all words.) 62 volcanic crater 57 dormant volcano 57 caldera 57 basalt 56 magma chamber 56 lava tube 55 volcanic rock 54 glacial lake 54 Kilauea Volcano 54 Chaiten volcano 53 lavas 53 glacier 53 crater 53 lava flows 53 marine sediments 53 melting glacier 53 volcano 52 Eyjafjallajökull volcano 52 extinct volcano 52 lava tubes 52 Younger Dryas 52 lahars 51 granite peaks 51 lava 51 igneous rock 51 volcanoes 51 Crater Lake 51 volcano erupted 51 Kilauea volcano 51 stalactite 51 Kelud 51 supercontinent 50 stalagmite 50 limestone cave 50 eruption 50 volcanic peaks 50 magmas 50 Valles Marineris 50 Toutle River 50 volcanic 50 sandstone cliffs 50 lava flow 50 explosive eruptions 49 ridge 49 icecap 49 lava dome 49 snowfield 49 pyroclastic flow 49 glacial lakes 49 glacial ice 49 Omo River 49 Cretaceous Period 49 Jurassic Period 48 glaciation 48 volcanic activity 48 volcanic eruption 48 granite boulders 48 volcanism 48 molten rock 48 Cascade Range 48 sedimentary rock 48 Burgess Shale 48 interglacial period 48 spewing lava 48 escarpments 47 lichen 47 oceanic crust 47 glaciers 47 Arctic permafrost 47 mud volcanoes 47 rock outcropping 47 basaltic 47 Mendenhall Glacier 47 massif 47 rock outcrop 47 Alaska Mount Redoubt 47 Pacaya volcano 47 steam vents 47 lake sediments 46 buttes 46 Iceland Eyjafjallajokull volcano 46 Volcanic eruptions 46 basalts 46 volcano crater 46 cliff dwellings 46 Mount Vesuvius 46 glaciated 46 Tibetan Plateau 46 snowslide 46 spewed ash 46 Mount Kelud 46 Mount Sinabung 46 Mount Etna 46 evergreen forests 46 mudstone 46 crater rim 46 lithosphere 46 volcanic eruptions 45 pumice 45 rocks 45 igneous rocks