Scientists discover a hidden secret under Japan that caused a lot of destruction
A group of experts and scientists has found, through a new 3D imaging feature, an explanation for the earthquakes that strike Japan from time to time, sometimes accompanied by deadly tsunamis.
Scientists have found that tectonic energy from massive earthquakes has been shifted to several attractions by a massive rock hidden beneath Japan called the umano pluton.
Scientists have detected a huge and giant mass of igneous rocks down the southern coast of Japan, which, according to experts, can act as a kind of magnet or lightning rod for huge earthquakes, that is, it absorbs huge earthquakes from neighboring areas.
According to the study published in the scientific journal Nature Geophysics, this may help scientists better predict the impact of massive earthquakes in the region, as well as better understand how these igneous masses interact with tectonic activity.
The giant rock first appeared as hints in 2006, which was given the name "Pluton Kumano", due to the presence of a rocky feature within it known as the pluton, which is a penetration or flow of igneous rocks that displaces rocks underground, to cool and slowly solidify in most of its parts.
Seismic imaging showed that there was something with a different density from the surrounding rock in the vicinity, and simulations helped reveal that the massive rock lay horizontally, while its true size remained a mystery.
The team made a complete map of the strange rock by drawing and comparing seismic data detected 20 years ago in the Nankai subduction zone.
Although earthquakes are considered destructive events, scientists also consider them a wonderful tool for studying the Earth and its nature. Earthquakes arise from a specific point and spread across the planet as waves. The way these seismic waves travel through certain materials and reflect them allows seismologists to map structures which we cannot see in the depths of the earth.
The researchers fed huge amounts of data collected from the region into the "LoneStar5" supercomputer at the University of Texas at Austin to create a high-resolution 3D model of the pluton below, where it detected previously unseen sights and features.
Large earthquakes of greater than magnitude 8 originated on the sides of the giant rock Pluton in 1944 and 1946.
Given that plate tectonics are very sensitive to changes in structure, the pluton is likely to have a profound impact on both the landscape and tectonic activity in the region.
The team hopes their discovery will lead to comprehensive research that captures underground structures that may be hiding in other subduction zones, and around the world.
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