Earthquake sometimes occur when blank (a. A volcanic island moves away from a hotspot and it goes extinct, b. The solid rock layer in the lithosphere is no longer influenced by the more fluid asthenosphere, c. A transform boundary causes excessive amounts of friction between two tectonic plates, d. A divergent boundary abruptly reserves rolls to become a convergent boundary) some underwater earthquake shake the ocean floor in cause large sea waves that destroy property and threaten lives such as a sea wave is called blank (a. an avalanche, b. a tsunami, c. a tidal wave, d. a landslide)