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Japan mega-earthquake alert: what is known, when it is expected and which countries it would affect

The Japan Meteorological Agency has sent an “Early Earthquake Alert: Prepare for strong tremors. Stay calm and seek shelter nearby” to citizens’ phones, authorities report.

The high tide alert is currently at level 3, and one of the actions that should be taken would be to evacuate the elderly and children from dangerous areas to facilitate evacuation as soon as possible.

Alert for mega earthquake

The data has caused the prime minister to cancel his trips abroad. A warning of caution in the face of a possible mega earthquake of apocalyptic proportions that could occur in the Nakai submarine trench; it is the first time the country has issued such an alarm.

This is how it would affect Chile

This weekend, there was a 7.1 magnitude earthquake in Japan, which could be providing information about another event that may occur in the coming days. According to the data, there will not be an earthquake in Chile, but this Asian event could be a precursor to a larger one. Right now there is a greater probability of another earthquake of magnitude 8, or perhaps 9, and then there could be an impact on the coasts of Chile.

Other countries that could be affected include Canada, the United States and Mexico, according to some simulations. The Peruvian Geophysical Institute (IGP) has indicated that the conditions for an 8.8 magnitude earthquake to occur off the central coast are high.

“It could be in a year, 50 years, 100 years, but the earthquake is going to happen. What we are trying to do here is that, with this information, we really begin to prepare ourselves,” the executive president of the Institute, Hernando Tavera, recently told RPP.

National Multi-Hazard Drill in Peru

Along these lines, next Thursday, August 15, at 3:00 p.m. (local time), the second National Multi-Hazard Drill of 2024 will be held in Peru. An exercise promoted by the National Institute of Civil Defense, which aims to strengthen the response of the population to various natural phenomena according to the geographical characteristics of each region of the country. The drill will focus on an 8.8 magnitude earthquake with its epicenter on the central coast of the country.

Nakai’s Pit

This area, south of Japan, has been hit by large earthquakes for decades. The last major event was in 1707 and was magnitude 9. Since then, two other large earthquakes have occurred in 1854 and 1944. Right now, there could be a lot of pent-up energy that could lead to such a magnitude 9 earthquake.

“The 7.1 magnitude earthquake that occurred the other day is part of the large seismic lagoon in the area. It occurs in the extreme south, in the central contact zone of the plates,” according to the Chilean Geoscientific Network.

“In 2011, on March 9, another earthquake occurred in the town of Sendai, with a magnitude of 7.2. Two days later, the great magnitude 9 earthquake occurred in Tohoku. A warning that lasted a week at the time and which now serves as a reference to note the difference in tension in the area. “The probability has increased, but scientists say that the deadline could be up to 30 years from now,” so they call for calm in the face of the current situation, but they do ask the population to prepare an evacuation route just in case.

Storm Maria and typhoon waiting

Meanwhile, northeastern Japan remains on alert Tuesday due to the passage of Typhoon Maria, which continues to dump heavy rains despite its intensity having been downgraded to a tropical depression, while another typhoon approaches the Japanese archipelago.

Rainfall in the past 24 hours has reached 150 millimetres in Hokkaido (north) and more than 100 millimetres on the north-east and north-east coasts of the country, where strong gusts of wind and rough seas are also occurring.

The JMA also forecasts that another typhoon, the seventh of the season, called Ampil, will approach the Japanese archipelago. This Tuesday it is categorized as a tropical depression and is located in the Pacific southwest of the country.

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The Japanese agency expects the typhoon to gain in intensity in the coming hours. At the moment, the phenomenon has a central atmospheric pressure of 985 hectopascals, causes wind gusts of up to 108 kilometers per hour and can leave up to 120 millimeters of rain in one day, according to data from the JMA.

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