The Earth Shook Every 90 Seconds for 9 Days in 2023 – Scientists Finally Know Why

Scientists used satellite and seismic data to prove mega tsunamis in Greenland fjords created trapped standing waves that shook the Earth. In September 2023, scientists detected a strange global seismic signal that repeated every 90 seconds for nine days and then occurred again a month later. Nearly a year later, two scientific studies suggested that [...]