A 6.6-magnitude earthquake struck the east coast of Japan. Why do earthquakes often occur in Japan?

According to the Japan Meteorological Agency, a 6.6-magnitude earthquake struck the east coast of Honshu, northeast Japan, on the morning of Labor Day 10:27. The source is in the sea near Miyagi Prefecture, with a depth of 60 kilometers. There was a clear earthquake in Tokyo, the capital of Japan, and local TV stations said there was no danger of tsunami. We often hear the news of earthquakes in Japan. Why do earthquakes often occur in Japan? Let's discuss the reasons below.

The main reason why earthquakes often occur in Japan, which is located at the junction of the two plates, is that it is just between the Pacific plate and the sub-European plate, at the junction of the two plates. In the process of drift, these two plates are easy to squeeze and collide with each other, which leads to geological movements such as fracture and deformation of the rock layer at the junction of the plates. The energy released by these geological movements is transmitted to the ground, leading to disasters such as earthquakes and volcanic eruptions. This is the reason for frequent earthquake disasters in Japan, and the strata below the Japanese archipelago are inherently unstable.

Japan's geographical position on the edge of the Pacific Rim seismic belt is very embarrassing, and it is doomed to be a disaster-stricken country. On a larger scale, Japan is also on the edge of the Pacific Rim seismic belt, which is listed as the most important seismic belt on earth, and this seismic belt is famous for its violent plate movement. The Pacific Rim seismic belt is 40,000 kilometers long and distributed around the Pacific Ocean. It is like a huge circle, covering more than 80% of shallow earthquakes and almost all deep and moderate earthquakes in the world. Think about it, the Japanese archipelago is on the edge of such an earthquake zone, and of course there will be no good fruit to eat.

Geological instability, too many volcanoes, Japan as a country composed of islands, geological stability is certainly not as good as the mainland. Earthquakes and volcanoes often complement each other. After the earthquake, it is easy to cause volcanic eruption in China, and volcanic eruption is also easy to cause nearby earthquakes. There are 270 large and small volcanoes on the island of Japan. With Mount Fuji, the most famous volcano in Japan, as the center, eight volcanic clusters extend around the image, and a small Japanese island has110 volcanoes in the world. At the same time, it also has the largest Yasu crater in the world, which makes the Japanese earthquake situation more severe. Because there are too many volcanoes in China, volcanoes and earthquakes complement each other. Once a large-scale earthquake or volcanic eruption occurs, Japan will sink? Really? Just around the corner? This is the fundamental reason why the Japanese are extremely unstable and always want to invade other countries, because their own territory is unstable and they can only grab the stable territory of others.