Coming 95 minutes apart, the two slumps raced down the 970 - meter - tall northern wall of the open - pit mine at speeds topping 160 kilometers per hour, researchers report in the January issue of GSA Today, a publication of the Geological Society of America. (sciencemag.org)
Just where the northern wall was in the first century is not yet conclusively established, but it is difficult to find a convincing course for it that would leave the traditional Calvary and tomb outside. (religion-online.org)
They took measurements of magma - filled fractures (dykes) which are exposed in impressive form along the northern wall of the Santorini caldera. (sciencedaily.com)