Indonesian volcano erupts after 400 years of quiet

TANAH KARO, Indonesia ? Tens of thousands of people packed emergency shelters Monday after a long-dormant volcano in western Indonesia spewed clouds of hot ash and smoke more than a mile (several kilometers) into the air ? an eruption that caught scientists off-guard.

Russian Scientists: Drilling Did Not Trigger Sidoarjo Mud

Russian report says mud eruption was triggered by series of seismic events that reactivated centuries old mud volcano structure