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Strong quake, small tsunami


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IMAGE: For a total of two years, 15 ocean bottom seismometers off northern Chile recorded aftershocks from the 2014 Iquique earthquake.
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Credit: Jan Steffen/GEOMAR
Northern Chile is an ideal natural laboratory to study the origin of earthquakes. Here, the Pacific Nazca plate slides underneath the South American continental plate with a speed of about 65 millimetres per year. This process, known as subduction, creates strain between the two plates and scientists thus expected a mega-earthquake here sooner or later, like the last one in 1877. But although northern Chile is one of the focal points of global earthquake research, until now there was no comprehensive data set on the structure of the marine subsurface - until nature itself stepped in to help. ....

United States , Dietrich Lange , Heidrun Kopp , Florian Petersen , Geophysical Research Letters , Chilean Navy , Oregon State University United States , Helmholtz Centre For Ocean Research Kiel , Northern Chile , Pacific Nazca , South American , Ocean Research , Geophysical Research , Universidad De Chile , Oregon State University , ஒன்றுபட்டது மாநிலங்களில் , புவி இயற்பியல் ஆராய்ச்சி எழுத்துக்கள் , சிலியன் கடற்படை , ஓரிகந் நிலை பல்கலைக்கழகம் ஒன்றுபட்டது மாநிலங்களில் , வடக்கு சிலி , பெஸிஃபிக் நாஸ்கா , தெற்கு அமெரிக்கன் , கடல் ஆராய்ச்சி , புவி இயற்பியல் ஆராய்ச்சி , யுனிவர்சிடாட் டி சிலி , ஓரிகந் நிலை பல்கலைக்கழகம் ,

Mount Etna erupts and creates huge fountains of lava as volcanic stones rain down


Mount Etna erupts and creates huge fountains of lava as volcanic stones rain down
Mount Etna has been visible from space as it spews lava into the area, with a nearby airport forced to close on Sunday, February 21. Locals living nearby reported ash descending on the area
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Mount Etna has been visible from space (Image: Barcroft Media via Getty Images)
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Mediterranean Sea , Oceans General , Letizia Olivieri , John Murray , Alfio Cristaudo , Heidrun Kopp , Geomar Helmholtz Centre For Ocean Research , Daily Star , Mount Etna , Geomar Helmholtz Centre , Ocean Research , In The News , மத்திய தரைக்கடல் கடல் , பெருங்கடல்கள் ஜநரல் , லேத்தீஜிய ஆலிவேரி , ஜான் முர்ரே , தினசரி நட்சத்திரம் , ஏற்ற எட்னா , கடல் ஆராய்ச்சி , இல் தி செய்தி ,