Portal:Earth sciences/DYK/21

Archive – Start a new article...
 * ... that Dabusun Lake (pictured) is the largest remaining lake in China's Qarhan Playa, which 30,000 years ago held a single lake spreading over at least 25000 km2?
 * ... that the Trout Creek Hill volcanic eruption approximately 340,000 years ago, during the Pleistocene, produced a lava flow that extended 20 km, temporarily damming the Columbia River?
 * ... that Takuyo-Daisan was once an island in the South Pacific but is now a seamount off Japan?
 * ... that the name of Melimoyu, a volcano in Chile, means "four breasts"?
 * ... that a former island is named after the Massachusetts Institute of Technology?
 * ... that an underwater mountain between Greenland and Norway has been compared to a coral reef?