About 80,000 people and their homes sit inside Mount Rainier’s mapped lahar-hazard zones, according to the U.S. Geological ...

Mount Rainier carries a “Very High” threat rating from the U.S. Geological Survey, and the reason traces back to lahars, the volcanic mudflows that have historically traveled far enough to reach the ...

In a recent study, researchers dated a historic lahar called the Electron Mudflow to the summer of 1507, establishing a way to determine when past geologic events around the Puget Sound occurred Mount ...

Until now, it has been widely accepted that the fossils found in the Burgess Shale area of British Columbia in Canada had all lived together, representing one of the earliest ecosystems known to date.

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. Residents of a California neighborhood had to be rescued after Tropical ...

An outpouring of magma isn’t the biggest risk to people downhill from Mount Rainier. The active volcano’s greatest danger comes from lahars — amalgams of mud, rock and water that are as dense as wet ...

Residents affected by the Lapindo mud volcano disaster in Sidoarjo, East Java, scattering flower petals near the embankment of the mud retaining pool on May 24, 2017, to mark the 11th anniversary of ...

The temporary bridge over the mudflow damaged section of East Mountain Drive in Montecito is now in and open. (Photo: John Palminteri) John Palminteri The temporary bridge over the mudflow damaged ...