A Japanese study found that the locked zone in the Nankai Trough, where tectonic plates merge and stress builds, is not permanent but changes over time. This discovery by the University of Tokyo and the Japanese coastguard complicates the prediction of megaquakes and tsunamis along Japan's Pacific coast.
Scientists have discovered evidence of a vast magma system beneath Mars' surface, challenging previous assumptions that such geological activity requires tectonic plates. The finding, based on data from NASA's InSight lander, suggests Mars may have had conditions suitable for life.
Scientists have identified the world's oldest impact crater in Australia's Pilbara region, dating back 3 billion years. Analysis of zircon and apatite minerals in ancient rocks at the North Pole Dome crater provided evidence of a meteorite strike during the Archean eon, offering insights into early Earth.
A new study proposes that the Yellowstone hotspot, a major geological phenomenon in North America, may be powered not by a traditional mantle plume, but by stresses created by the ancient, largely vanished Farallon tectonic plate. This plate's subduction under the continent is thought to have created pathways for molten rock to reach the surface, explaining the unique volcanic activity in the region.
