Question

Earthquake warning systems a. alert people when an earthquake has taken place, possibly giving them seconds to get to a safer place. b. alert people just before an earthquake takes place, allowing them to evacuate buildings. c. do not yet exist, but the technology is something seismologists are working on. d. are based on long-term predictions of earthquakes, allowing planners to schedule evacuations.

Answer 1

the shake alert system is a remarkable technology years in the making it is the position to save tens of thousands of life in areas which high magnitude earthquake occur by providing a few seconds warning through time for people to take basis safety precautions