1.   Another Earth science piece warns that a new volcano may be forming in Oregon near the dormant peaks known as the Three Sisters.

2.   The Russian volcanoes form an area of exceptional beauty with major concentrations of wildlife.

3.   Like many Caribbean islands, Montserrat, St. Kitts and St. Vincent were formed by volcanoes.

4.   Some have blamed chlorine gas formed by volcanoes for the problem.

5.   The researchers also found the water to be much cooler and more acidic than water that surrounds vent systems formed by volcanoes, Karson said.