• Very large impacts may have stimulated blasts of plate tectonics

    A new study suggests that the Earth's evolution from a hot, primordial mush into a rocky planet continuously resurfaced by plate tectonics may be triggered by extraterrestrial impacts. By examining the implications of these processes, the researchers believe…

  • First measurements of Earth’s ionosphere

    Researchers have used the largest atmospheric radar in Antarctica to make the first measurements of Earth's ionosphere. Observations in the southern hemisphere are significant in finding out the global features of both the atmosphere and the ionosphere. The…

  • The Weekly Volcanic Activity Report: November 20 – 26, 2019

    New activity/unrest was reported for 2 volcanoes from November 20 to 26, 2019. During the same period, ongoing activity was reported for 13 volcanoes. New activity/unrest: Shishaldin, Fox Islands (USA) | White Island, New Zealand. Ongoing activity: Aira, Kyushu…

  • M6.1 earthquake hits near the coast of Crete, Greece

    A strong and shallow earthquake registered by the EMSC as M6.1 hit near the coast of Crete, Greece at 07:23 UTC (08:23 LT) on November 27, 2019. The agency is reporting a depth of 55 km (34 miles). The USGS is reporting M6.0 at a depth of 71.8 km (44.6 miles). The…

  • NASA unveils first global geologic map of Titan

    NASA has revealed the first global geologic map of Titan, the largest moon orbiting Saturn. The map showed a dynamic world of dunes, lakes, plains, craters, and other types of terrain. Aside from Earth, Titan is the only other known planetary body in the solar…