Related by context. Frequent words. (Click for all words.) 66 mudflow 57 Mount Kelud 57 Lapindo 57 Kilauea Volcano 55 volcano 54 Tambora 53 Indonesia Mount Merapi 53 lava 53 earth tremors 53 pyroclastic flows 52 densely populated Java 52 volcanoes 52 undersea quake 52 active volcanoes 51 Kilauea volcano 51 seafloor 51 volcanic 51 lava flows 50 seabed 50 volcanic crater 50 earth tremor 50 Merapi 50 marine sediments 50 Sidoarjo 50 volcano erupts 50 seismic activity 49 eruption 49 earthquakes 49 volcano erupted 49 volcanic eruption 49 undersea earthquake 49 spewing lava 48 volcanic activity 48 lava flow 48 eruptions 48 Sumatera 48 Indonesia Sulawesi island 48 Sumatra island 48 Nabire 48 Sinabung 48 Mount Merapi volcano 48 molten rock 48 tsunamis 47 Nias island 47 reef 47 volcanos 47 seismicity 47 volcano eruption 47 lahar 47 volcanic gases 47 Sumatra 47 deepwater wells 47 mudflows 47 spewed ash 47 active volcanos 47 Bulusan 47 dormant volcano 47 methane hydrate 47 volcanic islands 47 Mount Sinabung 46 Sumatran coast 46 Indonesian volcano 46 Volcanology 46 Mount Merapi 46 volcanism 46 volcano erupting 46 caldera 46 magma 46 volcanic rock 46 crater 46 Cepu 46 oceanic crust 46 drilling rig exploded 46 Tungurahua 46 quakes 46 hydrothermal vents 46 subduction 46 Pinatubo 45 Mayon Volcano 45 methane 45 volcano slopes 45 Pacaya volcano 45 hydrogen sulphide 45 Simeulue 45 volcanic eruptions 45 glacial lake 45 seawater 45 subduction zone 45 extinct volcano 45 Alaska Mount Redoubt 45 Krakatoa 44 lava tube 44 tidal surges 44 tectonic plates collide 44 Sulu Sea 44 magnitude earthquake 44 tidal waves 44 seamount 44 Krakatau 44 landslip 44 methane hydrates