The glacier-covered Redoubt Volcano is one of many that line Alaska’s southern shores. In late January 2009, the volcano started to rumble once again.
Published Feb 11, 2009
In August 2015, Cotopaxi volcano awoke with its first significant eruption in more than 70 years.
Published Sep 16, 2015
Three Central American countries—El Salvador, Honduras, and Nicaragua—have coastline along the Gulf of Fonseca, which opens into the Pacific Ocean. The southern boundary of the Gulf is a peninsula formed by the Cosigüina Volcano. Cosigüina is a stratovolcano, which is a cone-shaped volcano formed by alternating layers of solidified lava and volcanic rocks produced by explosive eruptions.
Published Dec 31, 2007
Old, hardened lava flows extend from the caldera of Medicine Lake volcano in northern California.
Published Oct 10, 2017
An ash plume billows above one of Mexico’s most active volcanoes.
Published Feb 23, 2015
