Earthquakes are usually brought about when underground rock all of a sudden breaks and there is quick motion together a fault. This unexpected release of Strength causes the seismic wavesseismic wavesWhat are Seismic Waves? Seismic waves are due to the unexpected movement of materials inside the Earth, such as slip https://artybookmarks.com/story13685199/new-step-by-step-map-for-natural-events