Indonesia’s volatile Mount Merapi volcano has unleashed a river of lava that flowed 1,400 meters (4,590 feet) down its slopes. Merapi, on the island of Java, has entered an “effusive eruption phase,” ...
Some rhyolitic volcanos erupt abruptly and violently, while others are far more sedate in their eruptive behavior. Ludwig-Maximilians-Universitaet (LMU) in Munich geoscientist Professor Donald ...