2015 Gold King Mine waste water spill
The 2015 Gold King Mine waste water spill was an environmental disaster that began at the Gold King Mine near Silverton, Colorado, when Environmental Protection Agency (EPA) personnel, along with workers for Environmental Restoration LLC (a Missouri company under EPA contract to mitigate pollutants from the closed mine), caused the release of toxic waste water into the Animas River watershed. They caused the accident by breaching a tailings dam while attempting to drain ponded water near the entrance of the mine on August 5.
2010 Copiapó mining accident
The 2010 Copiapó mining accident, also known then as the "Chilean mining accident", began on 5 August 2010, with a cave-in at the San José copper-gold mine, located in the Atacama Desert 45 kilometers (28 mi) north of the regional capital of Copiapó, in northern Chile. Thirty-three men were trapped 700 meters (2,300 ft) underground and 5 kilometers (3 mi) from the mine's entrance, and were rescued after 69 days.
1949 Ambato earthquake
The 1949 Ambato earthquake was the deadliest earthquake in the Western Hemisphere in five years. On August 5, 1949, it struck Ecuador's Tungurahua Province southeast of its capital Ambato and killed 5,050 people. Measuring 6.4 on the Ms scale, it originated from a hypocenter 15 km beneath the surface.
