The Economic Times

In 2017, USGS and MIT researchers dated a magma pulse to 251.9 million years ago. 9 years later, it links to Earth's worst extinction

Earth faced its worst extinction event around 252 million years ago. Volcanic activity in the Siberian Traps is the leading explanation for this crisis. New dating places a major magmatic phase near the extinction's start. Underground magma interacting with sedimentary rocks released greenhouse gases.