Earthquake likely caused by unruptured fault from 2016 - experts

The magnitude 7.1 earthquake that struck Kumamoto prefecture on Tuesday was likely caused by a fault that had been left unruptured after quakes from 2016, experts have told local media. In April 2016, two quakes - magnitudes 6.5 and 7.3 - struck two days apart, killing more than 270 people. Those quakes were linked to the Futagawa and Hinagu fault zones, according to experts. And Tuesday's quake stemmed from an unruptured section of the Hinagu fault zone, Sakai Shinichi, a professor at Tokyo Uni