Depth 3
Depth 3 : The distance (usually measured in km) below the surface of the earth delineated by 0km (the mean spheroid). Also known as earthquake depth " Earthquakes can occur anywhere between the Earth's surface and about 700 kilometers below the surface. For scientific purposes, this earthquake depth range of 0 " 700 km is divided into three zones: shallow, intermediate, and deep. (USGS-CEDIM)