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Showing posts from September, 2025

WK 5: Valcanoes

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  Japan is one of the most volcanically active countries in the world because it sits along the Pacific “Ring of Fire,” where multiple tectonic plates collide. The country has over 100 active volcanoes, many of them clustered in Kyūshū and Honshū. These volcanoes are not just part of Japan’s landscape but also part of its history, culture, and daily life. Communities living near them have learned to adapt, but the danger is always present. One of the best-known examples is Sakurajima , which erupts so often that locals see ash fall like snow across Kagoshima City. Its eruptions can include lava flows, explosive ash clouds, and glowing lava at night. Another important site is Mount Aso , which has one of the largest calderas on Earth. The sheer size of Aso reminds people of the massive eruptions that shaped the region thousands of years ago, while the steaming vents today show that the system is still alive. Japan has also suffered sudden disasters. In 2014, Mount Ontake erupte...

WK 3: Earthquakes

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Japan is one of the most earthquake-prone countries in the world because it lies at the meeting point of four tectonic plates: the Pacific, Philippine Sea, North American, and Eurasian plates. This position makes earthquakes frequent and sometimes very powerful. To live with this constant threat, Japan has developed some of the most advanced earthquake preparedness systems in the world. One of the main strategies has been strict building regulations. Since 1981, all new construction must meet updated seismic standards, and many high-rise buildings now use base isolation or special dampers that allow them to move safely with the shaking. Schools, hospitals, and other important structures have also been reinforced to protect people during a major quake.  Technology also plays a big role. The Earthquake Early Warning system sends alerts to phones, TV, and radio, often giving people a few seconds to take cover before the strongest shaking hits. It even slows down bullet trains automati...