Related by context. Frequent words. (Click for all words.) 71 Pinatubo 51 volcanic eruptions 50 volcanic eruption 48 Bulusan 48 volcano 48 volcanoes 47 Mayon Volcano 46 glaciers 46 lava flows 46 volcano eruption 46 pyroclastic flows 46 Volcanology 45 Mayon volcano 45 Philippines 45 eruption 44 Kilauea volcano 44 volcano erupted 44 Phivolcs 44 volcanic activity 44 Baguio 44 Eyjafjallajökull 43 active volcanoes 43 typhoons 43 Legazpi City 43 active volcanos 43 volcanologists 43 Mayon 42 Typhoon Durian 42 El Niño 42 Benguet province 42 Merapi 42 volcanic 42 mudflows 41 volcanic debris 41 Albay 41 Grimsvotn 41 Leyte island 41 Marinduque 41 Krakatoa 41 lahar 41 Tropical Storm Ketsana 41 Agusan del Norte 41 eruptions 40 dormant volcano 40 lava 40 Mount Vesuvius 40 melting permafrost 40 Cordilleras 39 Leyte 39 volcano erupts 39 Bicol region 39 Bicol 39 Zamboanga City 39 Astronomical Services 39 crater 39 Laoag 39 Mount Merapi volcano 39 Mount Sinabung 39 volcanism 39 Tuguegarao City 39 mudflow 39 Geophysical Research 39 glacier 39 floods landslides 39 extinct volcano 39 El Nino phenomenon 39 Eyjafjallajokull 38 Typhoon Fengshen 38 flashfloods 38 plate tectonics 38 National Disaster Coordinating 38 Mindanao 38 Ondoy 38 Pepeng 38 ash plume 38 Romblon 37 mid latitudes 37 molten lava 37 erupting volcano 37 Eruptions 37 Maguindanao 37 Ternate 37 Chaiten 37 volcanos 37 polar caps 37 supernova explosion 37 Ilocos Norte 37 Solidum 37 Yogyakarta 37 Mount Merapi 37 Volcano 37 Albay province 37 Tungurahua 37 water vapor 37 hot springs 37 landslides 37 lava flow 37 atmospheric circulation 37 volcanic ash 36 Eyjafjallajokull volcano 36 geologically active