Did you feel that quake? Online survey helps USGS seismologists
Friday, March 19, 2010 - 18:56
in Earth & Climate
Answers from web surfers about what they feel during quakes is proving valuable to scientists and emergency responders. When a 4.4 magnitude earthquake shook Southern Californians awake in the pre-dawn hours Tuesday, many rushed to their computers to learn about it from the U.S. Geological Survey website.