Related by context. Frequent words. (Click for all words.) 51 explosive eruptions 50 Don Blakeman 48 Gamma ray bursts 48 Serreze 47 geologically active 46 theoretical calculations 46 Sinabung 46 USGS geophysicist 46 Hawaiian Volcano Observatory 46 magma 45 volcanic tremors 45 Geological Survey 45 lava flow 45 volcanically active 44 volcanic activity 44 Surono 44 USGS scientist 44 Seismologists 44 sunspot cycle 44 habitable planet 44 John Karevoll 43 substorms 43 Kevin Trenberth 43 pyroclastic flows 43 USGS 43 Grimsvotn 43 geophysicist 43 seismologists 43 Icelandic Meteorological Office 43 rocky planets 42 WIMPs 42 El Nino warming 42 magma chamber 42 seismic activity 42 subduction zones 42 van Dokkum 42 vulcanologist 42 Katla 42 planetary scientist 42 Athens Geodynamic Institute 42 phonons 41 Saturn moons 41 greenhouse warming 41 PALCA 41 Geologic Survey 41 Meridiani 41 lava flows 41 glacial melt 41 Alaska Mount Redoubt 41 Sean Comey 40 Volcanology 40 pyroclastic flow 40 equatorial regions 40 GNS Science 40 biologically plausible 40 volcanic gases 40 Cascadia subduction zone 40 Kavli Institute 40 volcanism 40 Landsea 40 snow melt 40 atmospheric methane 40 temperature gradient 40 Solidum 40 Earthquake Information 40 meltwater 40 Cascadia Subduction Zone 40 Oceanographers 40 quark gluon plasma 40 galaxy formation 40 statistical blip 40 University Lamont Doherty 39 Luke Popovich 39 terrestrial planets 39 Geminids 39 molten rock 39 active volcanoes 39 glacial melting 39 eruption 39 melting permafrost 39 simplest explanation 39 NOAA Climate Prediction 39 volcano eruptions 39 Cassini imaging 39 volcanic earthquakes 39 Bart Melek 39 snowmelt 39 Mark Baldassare 39 searing ash 39 Scambos 39 Richard Besser acting 39 lava dome 39 tectonic plates collide 39 climate modelers 39 plate tectonics 39 Saturn rings 39 Alaska Volcano Observatory 39 geomagnetic storms 39 Seismology Phivolcs 39 technically recoverable 38 rockfalls