Indonesia’s Mount Lewotobi Laki Laki volcano spewed towering columns of hot ash high into the air yesterday, days after a huge eruption killed nine people and injured dozens of others. Activity at the ...

Indonesia's Mount Lewotobi Laki Laki volcano spewed towering columns of hot ash high into the air days after a huge eruption ...

Geologic mapping has been one of the most fundamental mandates of the U.S. Geological Survey (USGS) since its establishment ...

Tiltmeters are a crucial component of the volcanic monitoring network in Hawaii. By detecting subtle changes in ground ...