Regarding the huge earthquakes and tsunamis that are assumed to occur in the “Kurishima Trench” and “Japan Trench” off the coast of Hokkaido and Iwate Prefecture, the government’s investigative committee has determined that if an earthquake of magnitude 7 class occurs, the subsequent huge earthquakes will occur. I showed a draft of information to call attention to the outbreak.
Residents in areas where strong tremors and tsunamis are expected are requested to maintain their daily lives for about a week and prepare to evacuate immediately if they feel tremors.
In March this year, the government announced that it would be possible to predict a huge earthquake along the Kuril Trench from the Kuril Islands to the coast of Hokkaido, and in the area of the Japan Trench from the south of Hokkaido to the coast of Iwate Prefecture. We have compiled a report stating that if a magnitude 7-class earthquake occurs in or near the epicenter region, information should be issued to call attention to subsequent mega-earthquakes.
A national panel of experts was held to discuss this information, and the target area to call attention to is the area from Hokkaido to Chiba, where high tsunamis and large tremors are expected in the event of a huge earthquake, and about two hours after the earthquake hits. A draft to be announced later was presented.
Residents will be asked to maintain their daily lives, but if it is necessary to evacuate quickly, such as when a tsunami is expected, they will be asked to wear clothes that can be used to quickly evacuate, stay in a safe room, and check the items they bring with them. increase.
It was also indicated that the period for which disaster prevention measures are necessary is about one week after the earthquake, and that no advance evacuation is called for.
Experts who attended said, “Even after the lifting of the restrictions one week later, large earthquakes have not stopped occurring. Opinions such as “We should consider whether to ask for a more appropriate response.”
The study group plans to proceed with more detailed consideration of the period during which disaster prevention measures are required and the specific method of dissemination from local governments, and the Cabinet Office hopes to start operation by December this year.