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

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.