Rafael Abreu is a geophysicist at the National Earthquake Information Center for the United States Geological Survey.
Interviews with Rafael Abreu
Rafael Abreu: Colorado and East Coast earthquakes not relatedRafael Abreu
Most Popular on EarthSky
Featured Blogs
Matt Daniel's WeatherGlobe
Everything you need to know: Tornado safety
Blogus scientificus by Alex Reshanov
Invasive ladybugs: Secrets of their success
Earth Trekker by Deanna Conners
What are cloud streets?
This Date in Science by Elizabeth Howell
This date in science: Wright brothers' flying machine patented
