Related by context. Frequent words. (Click for all words.) 68 Kilauea 66 lava 64 volcano 60 lava flow 60 Hawaii Volcanoes National 59 lava flows 56 magma 56 molten rock 56 volcanic gases 56 dormant volcano 56 Mount Redoubt 55 Mount Merapi volcano 55 volcanic 55 lava dome 55 caldera 54 active volcanoes 54 volcanoes 54 eruption 54 molten lava 53 Indonesia Mount Merapi 53 volcanic activity 53 Mauna Loa 52 volcanos 52 Mount Sinabung 51 glacial lake 51 Sulfur dioxide 51 Mayon volcano 51 volcanic crater 51 volcano erupted 51 vog 51 Merapi 51 Haleakala 50 extinct volcano 50 volcano crater 50 Indonesian volcano 49 eruptions 49 Eyjafjallajokull glacier 49 Eruptions 49 rockfalls 49 volcanic eruptions 49 ash plume 49 plume 49 pyroclastic flows 48 crater 48 glacier 48 Tungurahua 48 volcanic eruption 47 Mount Merapi 47 Bulusan 47 erupting volcano 47 Eyjafjallajökull 47 Pacific Ocean 47 geyser 46 WM Keck Observatory 46 Grimsvotn 46 Eyjafjallajokull volcano 46 sulfur dioxide 46 Alaska Volcano Observatory 46 hydrothermal vents 46 active volcanos 46 hot springs 46 volcanism 46 seismic activity 46 Grimsvotn volcano 45 X ray emission 45 Mauna Kea 45 smoke plumes 45 crater rim 45 Eyjafjallajokull 45 methane 44 earth crust 44 Mount Pinatubo 44 St. Helens 44 volcanic rock 44 glacial lakes 44 plumes 44 volcano eruption 44 glaciers 44 meltwater 44 Earth crust 44 Mayon 44 geysers 43 basalt 43 Volcanic 43 Geysers 43 volcanic earthquakes 43 Iceland Eyjafjallajokull volcano 43 water vapor 43 ridge 43 sunspot 43 ocean 43 Mayon Volcano 43 seawater 43 rock formations 43 Saturn moons 43 volcano erupts 42 Volcanology 42 Tibetan Plateau 42 glacial ice 42 Volcano 42 volcanologist