Google is sharing data about distortions in light waves passing through its undersea cables with seismologists to help them detect earthquakes (Justine Calma/The Verge)

Justine Calma / The Verge:
Google is sharing data about distortions in light waves passing through its undersea cables with seismologists to help them detect earthquakes  —  That data could one day warn people about tsunamis  —  The web of undersea cables that transmit data around the world could one day be used …