It may happen just once in your lifetime: a large tsunami is coming, big enough to make you run for your life. Where do you go? USGS has released a new tool to help planners plot out shelters in West Coast communities and other tsunami-hazard zones.
A new paper marshals evidence detailing the catastrophic landslide and mega-tsunami that struck Lake Tahoe during the late Pleistocene.
A new paper attempts to describe a realistic picture of the unimaginable: a colossal cosmic impact that left a crater 500 kilometers across on the ancient Earth.