A big earthquake can not only cause other quakes, but large ones, and on the opposite side of our planet, according to new research from Oregon State University. O’Malley et al find quakes can systematically trigger other ones on opposite side of the globe. This image shows a high school running track in Taiwan crossed by the Chelungpu fault in an earthquake in September 1999. Image credit: Bob Yeats, Oregon State University. Dr. Robert O’Malley...