A satellite has mapped the aftermath of the earthquake that devastated Christchurch, New Zealand, showing how the ground deformed, researchers say. Radar data from the Japanese Alos spacecraft show the magnitude 6.3 tremor that killed more than 160 people Feb. 22 was centered directly under the city's southeastern suburbs, the BBC reported Monday.
On October 25th 2010, an earthquake followed by a devastating tsunami struck the Mentawai Islands, a group of four large islands – Siberut, Sipora, Pagai Utara and Pagai Seletan - situated off the western coast of Sumatra in Indonesia.
The scale of earthquakes is commonly measured by Richter scale which compares the maximum heights of the seismic waves at a distance of 100 kilometers from the point on the earth's surface directly above where the earthquake originated within the earth, the epicenter.
On April 14, 2010 the Southern Quinghai region in the north-west of China experienced a 6.9 magnitude earthquake which left hundreds of people dead and the majority of population injured. The immediate reports from China indicated more than 15,000 houses destroyed with a high risk of people being trapped by the destroyed infrastructure.
The topography surrounding the Laguna Salada fault in the Mexican state of Baja, California, is clearly shown in this combined radar image and topographic view (right) generated with data from NASA's Shuttle Radar Topography Mission (SRTM). On April 4, 2010, a magnitude 7.2 earthquake struck along this fault about 64 kilometers (40 miles) south of the Mexico-United States border.