The first factor is that the soil is not the same in every place underneath Mexico City. Much of the centre ... Seismologist Susanne Sergeant of the British Geological Survey says: "Softer ...
A magnitude 6.2 earthquake rattled a region of southwest Mexico on Sunday, the US Geological Survey said, but there were no immediate reports of casualties or damage.
4-week course in New Mexico studying geologic field methods and the geologic history of North America The incomparable scenery and geology of the Colorado Plateau in northwestern New Mexico and the ...