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Submarine flows from the Hunga Tonga–Hunga Ha‘apai eruption decimated seafloor cables
In December 2021, an undersea volcano in the southern Pacific Ocean, the Hunga Tonga–Hunga Ha‘apai (hereafter called the Hunga volcano) began erupting. In January 2022 the eruption reached a powerful climax, triggering atmospheric waves that traveled around the globe and a tsunami that swept across the Pacific Ocean. An estimated 75% of Earth’s volcanoes are underwater, and 20% of all fatalities caused by volcanic eruptions since 1600 CE have been associated with underwater volcanism (3).
China’s high demand for online food delivery resulted in an increase in the use of disposable, single-use cutlery. Disposable cutlery increases plastic pollution, and paper napkins and wooden chopsticks contribute to environmental degradation that endangers wildlife and marine species and compromises human health. Informed by the literature on “green nudges, ” which are prompts to promote environmentally friendly behaviors, He et al. collaborated with Alibaba to use its mobile food delivery platform, Eleme, in a longitudinal field study across China.
Video timeline: 00:00 Introduction 01:47 The Day of the Eruption in Tonga: Firsthand Accounts 08:44 Geologists Study the Volcano to Determine the Cause of the Eruption 20:49 Understanding the Unpredictability of Submarine Volcanoes. 27:00 The Tsunami Caused by the Eruption in Tonga 41:55 Studying Tofua: The Volcanic Twin of Hunga Tonga–Hunga Haʻapai 50:10 How Communities Can Prepare for Future Eruptions and Tsunami
Through first-person accounts of the disaster and eyewitness footage, experience the terrifying power of the eruption and the devastating tsunami that struck the shores of Tonga. Why was this eruption so big, how did it cause the tsunami, and could another disaster loom?
Notice that Mauna Loa, the largest active volcano in the world, was going to erupt — as it did this week for the first time in nearly four decades — came to people on the Big Island of Hawaii an hour before the lava began to flow. Public officials scrambled to alert nearby residents. Scientists rushed to predict which areas of the island might be in danger. The curious made plans to observe what could shape up to be an event of a lifetime: the exhalation of a massive mountain.
Seth Doane travels to Iceland where a new volcano is spewing lava from an unusually deep place in the Earth. See the story on 60 Minutes Plus, streaming now on Paramount+.
Located in the state of Michoacán Mexico, this church is the only remaining building left from the village of San Juan Parangaricutiro. On February 20, 1943, a volcano began to erupt, slowly consuming two villages in lava and ash.
It took almost a year for the lava to reach and melt the rocks around this small church. The Paricutin volcano continued to erupt for another eight years, but the small church withstood it all.
Nuevo San Juan Parangaricutiro is a small village in the Mexican state of Michoacán near the Parícutin volcano. The city is called “Nuevo” because the original San Juan Parangaricutiro was destroyed during the formation of the Parícutin volcano in 1943.
Parícutin is a cinder cone volcano located in the Mexican state of Michoacán, near the city of Uruapan and about 322 kilometers west of Mexico City. The volcano surged suddenly from the cornfield of local farmer Dionisio Pulido in 1943, attracting both popular and scientific attention.
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