US Geological Survey
![A reddish-brown ash plume after the magnitude 6.9 quake. [Photo: U.S. Geological Survey]](https://www.samoanews.com/sites/default/files/styles/teaser/public/field/image/volcano.jpg?itok=ZZhUl6ur "A reddish-brown ash plume after the magnitude 6.9 quake. [Photo: U.S. Geological Survey]")
THE BIG ISLAND — A large explosion in Hawaii's Kilauea volcano could mark the beginning of more violent activity, geologists say.
The US Geological Survey (USGS) said that the volcano could spray rocks for miles and dust nearby towns in ash.
Kilauea, Hawaii's most active volcano, erupted last week...