Related by context. Frequent words. (Click for all words.) 56 Lava flows 56 volcanic quakes 55 Thick clouds 51 pyroclastic 51 fumaroles 51 Huge plumes 51 Bulusan 50 Kelud 50 Kilauea Volcano 50 clasts 50 Mount Mayon 50 Kilauea volcano 50 volcanic cone 50 Mount Asama 50 pyroclastic flow 49 volcanic 49 lava 49 chalcopyrite mineralization 49 volcanic tremor 49 Mayon Volcano 49 volcanic gases 48 Augustine Volcano 48 photosphere 48 Taal Volcano 48 lava flowing 48 lava flow 48 billowing cloud 48 Lake Nyos 48 andesitic 48 PHIVOLCS 48 Alaska Mount Redoubt 48 thick pall 47 volcanic earthquakes 47 Geological Survey Hawaiian Volcano 47 lava flows 47 lahars 47 hummocks 47 Anatahan 47 haloes 47 tuffs 47 Mount Redoubt 47 gaseous planets 47 Chaiten volcano 46 protostars 46 Mount Bromo 46 volcanic tremors 46 steam vents 46 Seismology Phivolcs 46 eruptive 46 magma chamber 46 Grimsvotn 46 quartz monzonite 46 hardened lava 46 carbonate alteration 46 pyroxenite 46 Iceland Eyjafjallajökull volcano 46 Cagsawa 46 volcanic crater 46 chromosphere 46 amber glow 46 molten rock 45 earthward 45 dacite 45 papules 45 red supergiant 45 Mount Spurr 45 hydrothermally altered 45 Sulfur dioxide 45 Gamma ray bursts 45 tonalite 45 Mount Ruapehu 45 Meteor showers 45 mud volcanoes 45 Phivolcs 45 ejecta 45 Charred bodies 45 volcanic peaks 45 cyanosis 45 billowing clouds 45 gabbroic 45 Gamma rays 45 Eyjafjallajökull volcano 45 jarosite 45 craggy peaks 45 undersea volcanoes 44 galaxy NGC 44 granite cliffs 44 Dense smoke 44 molten lava 44 Powerful gusts 44 gneisses 44 Olympus Mons 44 hydrothermal breccias 44 Ambrilia views 44 carbonate minerals 44 stockwork veining 44 spherules 44 granitic rocks 44 Vatnajokull glacier 44 hydrothermal fluids 44 smoke plumes