ENCORE “Locked and loaded” is how one scientist recently described the San Andreas fault. Find out when this famous west-coast rift might cause “the big one;” also, the state of early earthquake warning systems.
Plus, another sign of our planet’s unceasing turmoil: volcanos! Could the eruption that produced the Deccan Traps, and not a rock from space, have been the nail in the coffin for the dinosaurs? One seismologist shares new evidence about some suspicious timing.