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The Japan Meteorological Agency issued a tsunami warning for a group of remote islands south of Tokyo after the quake. However, there have been no reports of damage or injuries from the quake so far.
An earthquake of 5.9 magnitude occurred
A magnitude 5.9 earthquake struck coastal residents of the Izu Islands on Tuesday morning, Japan's Meteorological Agency said, warning that waves up to one metre high could hit the region within minutes.
An earthquake of magnitude 7.1 occurred last month
The important thing is that last month a 7.1 magnitude earthquake struck Miyazaki province in southern Japan. At least 16 people have been injured in this earthquake. At the same time, small tsunami waves up to 50 cm high started flying, which reached the coast of Japan about half an hour later.
For the first time a major earthquake warning has been announced
Following the incident, the Japan Meteorological Agency (JMA) issued a megaquake alert for the first time. This is the first time such an advisory has been issued in Japan. The epicenter of the earthquake was off the coast and about 25 kilometers away near the Nankai Trough, an underground oceanic trough. There is a large fault zone beneath the Nankai Trough.
Earthquake threat increases in Japan
According to the Japanese government, such an earthquake can kill millions of people. The JMA issued a mega earthquake warning and advisory, saying that the possibility of a massive earthquake is higher than an earthquake under normal circumstances.
What is a megacompany warning?
According to meteorologists, an earthquake with a magnitude of more than 8 on the Richter scale is classified as a megaquake. An earthquake of this magnitude can cause devastation. It is believed that this type of earthquake occurs once every 100 years, for which a megaquake warning has been issued in Japan.