Home seismometers provide crucial data on Haiti’s quake

“A network of inexpensive seismometers, installed in people’s living rooms, gardens and workplaces across Haiti, is helping scientists to unravel the inner workings of the magnitude-7.2 earthquake that devastated the southwestern part of the Caribbean nation this month. The community-science effort launched after the country’s last major earthquake — a magnitude-7 tremor in 2010 that killed more than 100,000 people — and has since helped to reveal details about Haiti’s seismic activity