Maybe supervolcano not to blame for our near-extinction

By Charles Q. ChoiLiveScienceA supervolcanic eruption thought to have driven humanity extinct may not have endangered the species after all, a new investigation suggests.Supervolcanoes are capable of eruptions dwarfing anything ever seen in recorded history, expelling thousands of times more magma and ash than even a Mount St. Helens or Pinatubo. A supervolcanic eruption could wreak as much havoc ...