Related by context. Frequent words. (Click for all words.) 57 volcano 55 Tungurahua 51 volcano erupts 51 dormant volcano 50 eruption 49 volcano erupted 49 Bulusan 49 Kilauea volcano 49 volcanic eruption 48 Mount Redoubt 48 Volcanology 48 spewing ash 47 Indonesia Mount Merapi 47 volcano eruption 47 Eruptions 46 volcanoes 46 erupting volcano 46 volcanic 45 volcanic activity 45 active volcanoes 45 pyroclastic flows 44 volcanos 44 Volcanic 44 volcanic gases 44 volcanic eruptions 44 Grimsvotn 43 Eruption 43 lava flows 43 Mayon Volcano 43 volcano crater 43 volcanologists 43 plume 43 eruptions 42 active volcanos 42 lava 42 ash plume 42 Grimsvotn volcano 42 lava flow 42 erupting 42 molten rock 42 Chaiten 41 Vulcanology 41 Merapi 41 extinct volcano 41 Andes mountains 41 Mount Pinatubo 41 Andes Mountains 40 volcanologist 40 crater 40 eruptive 40 volcanic ash 40 seismic activity 40 Mount Sinabung 40 earth tremors 40 Sulfur dioxide 40 Mount Merapi volcano 39 Eyjafjallajökull 39 lava dome 39 Pinatubo 39 plumes 39 Eyjafjallajokull 39 Iceland volcano 39 Mount Merapi 39 magma 39 vulcanologist 39 Eyjafjallajokull volcano 39 Mayon volcano 39 ash 39 noxious gases 38 Indonesian volcano 38 Seismology Phivolcs 38 Geophysical Institute 38 volcanic earthquakes 38 Geophysics Institute 38 Mount Etna 38 billowing clouds 38 crater rim 38 seismicity 37 Eyjafjallajokull glacier 37 fireball 37 Volcano 37 Phivolcs 37 melting permafrost 37 geyser 37 Solidum 37 Mayon 37 Katla 37 thunderclouds 36 Civil Protection Agency 36 Redoubt 36 toxic gases 36 Iceland volcanic ash 36 caldera 36 Moderate quake 35 sulfuric 35 ash cloud 35 methane 35 quake shakes 35 glacial lakes 35 glacial lake 35 Icelandic Meteorological Office