Related by context. Frequent words. (Click for all words.) 53 phenomena 52 earthquakes 51 Volcanic eruptions 51 microbursts 51 storms 50 glaciers melt 50 inundations 50 geomagnetic storms 50 volcanic eruptions 49 volcano eruptions 49 hurricanes 49 cataclysm 48 earthquakes tsunamis 48 El Ninos 48 tsunamis 48 explosive eruptions 47 catastrophes 47 polar caps 47 tornadic activity 47 supermoon 47 glacial retreat 47 tornados 47 supernova explosions 47 hotter summers 46 natural disasters 46 meteoroid 46 tornadic 46 dust devils 46 cataclysmic 46 havoc wrought 46 meteoroids 46 active volcanos 46 volcanoes 46 geomagnetic storm 46 quakes 46 geologically active 46 meteor 46 sunspot activity 45 eruptions 45 climatological 45 equatorial regions 45 El Nino warming 45 prolonged droughts 45 glaciers melting 45 supercells 45 calamities 45 Greenland glaciers 45 river deltas 45 aurorae 45 waterspouts 45 earth tremors 45 pyroclastic flow 45 species extinctions 45 windstorms 45 Chicxulub 44 colliding galaxies 44 landfalls 44 Antarctic ozone 44 tornadoes 44 ecological disasters 44 coronal mass ejection 44 devastation 44 solar flares 44 tremblor 44 cyclones 44 quakes measuring 44 magnetars 44 tidal waves 44 disasters 44 volcanic eruption 44 Patzert 44 icecaps 44 cataclysms 44 perturbations 43 Sunspots 43 seismically active regions 43 tropical cyclones 43 melting glacier 43 Gamma ray bursts 43 melting polar 43 cloudbursts 43 volcanically active 43 catastrophe 43 phenomenon 43 downburst 43 mass extinctions 43 mid latitudes 43 glacial melting 43 retreating glaciers 43 Halley comet 43 thundersnow 43 flu pandemics 43 meteor showers 43 plate tectonics 43 scarps 43 climate modelers 43 Cosmic rays 43 coronal mass ejections 43 journal Geophysical Research 43 planetary nebulae 43 typhoons