Wednesday, August 1, 2012
Volcano Early Warning System
Did you know that there are 169 active volcanoes in the United States and that 88 of them could potentially erupt? Watch this video courtesy of the US Geological Survey (USGS), that explains the work and study to provide an early warning system. usgs.gov
If you see this story from an email, click on the title to fully open the blog post and you can then see this video.