Related by context. Frequent words. (Click for all words.) 74 volcanoes 72 eruption 71 volcanic eruption 68 lava 68 Merapi 67 volcanic 67 volcano erupted 66 volcanic activity 65 active volcanoes 65 eruptions 65 volcano eruption 64 lava flow 63 volcanos 61 erupting volcano 61 lava flows 60 Mount Merapi 60 Mayon volcano 59 Indonesian volcano 59 Volcanology 59 Mayon 59 volcanic eruptions 58 volcanic ash 58 lava dome 58 Volcano 57 caldera 56 crater 56 spewing ash 55 magma 55 ash cloud 55 ash plume 55 Eyjafjallajokull 54 St. Helens 54 Alaska Volcano Observatory 54 Volcanic 53 seismic activity 52 volcanologist 52 Kilauea 52 Phivolcs 51 Eyjafjallajokull volcano 51 glacier 51 Redoubt 51 lahar 51 Surono 51 Eruption 51 molten rock 50 ash clouds 50 ash 50 Icelandic volcano 49 Katla 49 molten lava 49 plume 49 mudflow 48 Iceland volcano 48 Mount Vesuvius 48 mountain 48 quakes 47 volcanism 46 earthquakes 45 Mauna Loa 45 geysers 45 geyser 45 temblor 45 Eyjafjallajokull glacier 45 rockfall 45 volcanic ash cloud 44 Volcanic ash 44 MOUNT MERAPI Indonesia 44 tremor 44 tsunamis 43 hot springs 43 Krakatoa 43 temblors 43 #.# magnitude earthquake 43 volcanic rock 43 glaciers 42 San Andreas Fault 42 undersea earthquake 42 rockslide 42 Japan Meteorological Agency 42 observatory 42 Seismologists 42 seismologists 42 cave 41 #.# magnitude quake 41 Yogyakarta 41 aurora 41 #.# magnitude tremor 41 ridge 41 aftershocks 41 Andes mountains 41 Vesuvius 41 landslides 41 seafloor 41 erupting 41 tsunami 41 mudslide 40 tremors 40 slopes 40 quake 40 mudslides 40 earthquake