archivenatural disaster

Japanese Sandai Earthquake
Technology

NASA shows location & intensity of Japanese earthquakes, aftershocks and foreshocks

NASA’s Earth Observatory has issued a map documenting the number of earthquakes, foreshocks and aftershocks that have rocked Japan this week. According to NASA the tsunami that resulted from the 8.9 magnitude quake occurred 24.4 kilometers (15.2 miles) below the seabed, 130 kilometers (80 miles) east of Sendai. The earthquake was preceded by a number of smaller foreshocks which began on March 9, including one that measured 7.2 on the Richter scale.