Nagasaki Shinjo Gotomachi, the backside of a junior high school collapsed and the school building was destroyed
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In the early morning of the 4th, in Shin-Kamigoto-cho, Nagasaki Prefecture, where heavy rain was observed, the back mountain of the junior high school collapsed and part of the school building was destroyed. Before going to school, no students were injured.
In Nagasaki Prefecture, atmospheric conditions have become unstable, and it is estimated that 120 millimeters of heavy rain fell in the vicinity of Goto City in the hour until 3:50 am, according to the radar analysis of the Japan Meteorological Agency.
In addition, at the observation point in Shinkami Gotocho, heavy rain of 44.5 mm was observed in one hour until 1:10 am.
It was discovered on the morning of the 4th that the sandstone of Urayama collapsed and the two classrooms of science and technology were broken at Uoyama Junior High School in Shinkami Gotocho.
At that time, there were no students injured before attending school.
In the camera installed near NHK, you can see that the broken sand and sand of the back mountain rushed to the school building along with the trees, and the wall of the school building on the opposite side of the back mountain was broken.
According to the town's board of education, in this mountain, about 100 cubic meters of earth and sand collapsed over 21.5 meters in width and 24 meters in height, but there was no damage to the school building.
This time, the collapsed width is expanded by 5 meters, and it seems that the earth and sand of about 300 cubic meters, which is three times the previous time, collapsed.
The Umeme Junior High School canceled classes in the morning on the 4th, but from the 5th, it was scheduled to conduct classes as usual using a classroom in another school building.
The town's board of education will consider measures to prevent another landslide.