This two minute animation compares the relative sizes, i.e., energy released, in memorable earthquakes since 1960. The area of the circles represents the relative energy released, and the potential for…
Read MoreSeismic and plate tectonic setting of the Caribbean region. Credit: Eric Calais, Purdue Univ. Back in early January, I had a story about proposal from a Georgia Tech team of…
Read MoreGeologists say they have discovered that an ultra-thin layer of smectitic clay on rocks along deep, older fault lines in the San Andreas fault region provide important lubrication that permits…
Read More