The Ministry of Internal Affairs and Communications has compiled a report on damage estimation, such as when the explosion phenomenon on the surface of the sun called "solar flare" becomes active, in the worst case, the mobile phone will be intermittently unavailable for two weeks.

The sun has a cycle of activity, and it is expected that it will become active around 2025, three years later, and that a huge explosion phenomenon on the surface of the sun called "solar flare" will increase.



On the 21st, a meeting of experts from the Ministry of Internal Affairs and Communications compiled a report on damage estimation.



According to this, the magnetism on the earth is disturbed by the solar flare, and in the worst case, broadcasting such as mobile phones and televisions may be intermittently unavailable or unviewable for two weeks.



He also points out that the accuracy of GPS satellites may be inaccurate and the car navigation system may not function properly.



Furthermore, it is said that there is a risk of wide-area power outages due to malfunctions in electric power equipment that has not taken measures.



For this reason, in the report, we will introduce forecasts and warnings that inform us of the social impact, avoid frequencies that are easily affected in fields such as communication, and secure alternative means such as wired communication. Is recommended.

Mamoru Ishii, director of NICT = National Institute of Information and Communications Technology, who is investigating the effects of solar flares, said, "I want you to understand that there is such a scenario in the industry and gradually improve the infrastructure." I'm talking.

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