Greenland Landslide Triggered Seismic Event That ‘Shook the Earth’ for Nine Days
An enormous landslide of rock and glacial ice in a Greenland fjord last year led to a seismic wave that “shook the Earth” for nine straight days, reported BBC News. The landslide triggered a 656-foot “mega-tsunami” inside the narrow fjord, where it moved back and forth, generating vibrations felt by sensors all over the planet. […]