Related by context. Frequent words. (Click for all words.) 65 faultlines 55 subduction zone 52 tectonic plates 51 tectonic plate 50 fissures 49 fissure 47 tectonic 47 San Andreas Fault 46 landmasses 46 Hayward Fault 45 tectonic plates collide 45 lithosphere 45 crustal 44 tectonics 44 Earth crust 44 subduction zones 41 seismically active regions 41 volcanoes 41 earth crust 41 continental plates 41 powderkeg 41 seismic activity 40 subduction 40 faults 40 sedimentary basin 40 volcanic 40 oceanic crust 40 seismically active 40 gulfs 40 gravity anomaly 39 earthquakes 39 caldera 39 ruptures 39 quakes 39 borderlines 39 epicentres 39 Moderate quake 39 Fault Zone 39 Fault 39 Quake shakes 39 shear zones 39 mineralized corridor 38 fault 38 rifts 38 geologically active 38 sedimentary basins 38 south 38 periphery 38 schisms 38 northeast trending 38 flashpoint 38 undercurrents 38 magmatic 38 boundary 38 Fire horseshoe shaped 38 rupture 38 civilizational 38 epicenter 37 calamitous consequences 37 marine sediments 37 north 37 discontinuity 37 volcanics 37 chasm 37 cleavages 37 powder keg 37 yawning chasm 37 straddles 37 nationalisms 37 nexus 37 limestones 37 escarpment 37 rift 37 geochemical anomaly 37 tremor measuring 37 flashpoints 37 cataclysm 37 geologically 37 bedrock 36 ideological divide 36 crater 36 temblors 36 northwest trending 36 undercurrent 36 seamount 36 volcanism 36 hangingwall 36 stratigraphy 36 Durand Line 36 river deltas 36 splays 36 breccia zone 36 discontinuous 36 magma 36 shear zone 36 unmapped 36 widening gulf 36 sedimentary rocks 36 east 36 lava tube 36 Geologically