July 9th, 2009
ScienceDaily (July 9, 2009) — Increases in mysterious underground tremors observed in several active earthquake fault zones around the world could signal a build-up of stress at locked segments of the faults and presumably an increased likelihood of a major quake, according to a new University of California, Berkeley, study.
http://www.sciencedaily.com/releases/200 9/07/090709140817.htm
http://www.sciencedaily.com/releases/200


