THE earthquake of 7.6 Richter which occurred in Japan it was so strong which shifted the ground 1.3 meters to the west, while “raising” the surface by more than 4 meters.
In accordance with BBCit was immediately possible to make an accurate measurement of the size of the enclave, because at strategic points scattered throughout the country are GPS stations that monitor seismic activity.
This system showed in Monday's latest earthquake that the earth moved up to 130 cm to the west. Meanwhile, scientists are also monitoring Japan from space, comparing satellite images taken before and after the earthquake.
On its last pass, the ALOS-2 spacecraft he mentioned that the distance between it and the ground had decreased as the Earth's surface had risen due to the earthquake. The ground moved more on the western side of the Noto Peninsula. The ocean floor shifted off the coast there, creating tsunami waves about 80 centimeters high.
It is noted that Japan is at the junction of four major tectonic plates. It is one of the most seismically active regions on Earth as the country accounts for about 20% of the world's earthquakes of magnitude 6.0 or greater, with measurements showing some kind of quake every five minutes on average. Therefore, Japan has invested huge amounts in its infrastructure and its population.
Source: News Beast
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