Related by context. Frequent words. (Click for all words.) 58 megathrust 54 subduction zone 53 subduction zones 53 Cascadia subduction zone 52 undersea volcanoes 52 crustal 52 lithosphere 51 magma chamber 50 deformation 50 tectonic plate 50 hydrothermal fluids 49 graphene sheet 49 Shoreline Fault 49 Earth crust 49 continental crust 49 earth crust 49 Jupiter moon Io 48 subduction 48 mud volcanoes 48 Strong quake jolts 48 Anatolian fault 48 Hayward Fault 48 temperature gradients 47 San Andreas Fault 47 tectonic fault 47 oceanic crust 47 temperature gradient 47 carbonate minerals 47 subducted 47 Olympus Mons 46 adiabatic 46 Manila Trench 46 seismicity 46 microscale 46 Zoback 46 humeral head 46 Seafloor 46 rock outcrop 46 quantum tunneling 46 Earth magnetosphere 46 ocean ridges 45 erosional 45 geologically active 45 tectonic 45 epithermal mineralization 45 igneous rock 45 foreshocks 45 volcano observatory 45 elastically 45 seismometer 45 Cascadia Subduction Zone 45 sedimentary layers 45 seismographic 45 tonalite 45 Liquefaction 45 Greenland glacier 45 twin rover Spirit 45 seafloor 44 extensional 44 USGS seismologist 44 hydrocarbon reservoirs 44 seismic activity 44 cryogenic temperatures 44 Neutron stars 44 subglacial 44 Enriquillo fault 44 crystal lattice 44 undersea volcano 44 tectonic plates collide 44 geologic 44 methane hydrate 44 inhomogeneous 44 Planetary Physics 44 collisional 44 earthquakes 44 InSAR 44 surface geochemistry 44 plate tectonics 44 rhyolitic 44 foraminifera 44 chondrules 44 numerical simulation 44 heatshield 44 mineralized breccia 44 submillimeter 44 magnetars 44 Celebes Sea 43 abyssal 43 geoid 43 nanosized 43 tropopause 43 Moho 43 M#.# 43 igneous rocks 43 Honshu island 43 nanomechanical 43 Madrid Fault 43 volcanic tremor 43 undersea earthquakes 43 caldera 43 carbonate rocks