фото: Islands of the Four Mountains (snowy), Aleutians, Alaska (15-01-2024)

Miguel MasegosaNikolski • 07-06-2024  

Описание: Satellite: Sentinel-2. Visualization RGB: bands 4 (red), 3 (green), 2 (blue). True color. La imagen tiene 80 km de ancho (aprox.) En esta imagen destacan las dos puntas de flecha apuntando al norte desde los volcanes Cleveland (en el centro) y Carlisle (arriba, a la izquierda de la anterior). Estas son las sombras que delatan la forma c'onica de ambos estratovolcanes. La sombra del volc'an Herbert (abajo a la izquierda en la imgen) no acaba en punta pues su cumbre es una peque~na caldera. In this image, the two arrowheads point north from the Cleveland volcano (in the center) and Carlisle volcano (above, to the left of the previous one) that stand out. These are the shadows that reveal the conical shape of both stratovolcanoes. The shadow of the Herbert volcano (bottom left in the image) does not end in a point because its summit is a small caldera In the northern Pacific Ocean off the southwest coast of Alaska, the planet is building new land. Arcing southwestward from Alaska like the tail of a kite, the Aleutian Islands are a string of active and dormant volcanoes fed by magma created by the collision of the Pacific Plate with the North American Plate. In the northeast part of the range, a cluster of summits known as the Islands of the Four Mountains is home to Cleveland Volcano, one of the Aleutians’ most frequently active volcanoes. In the center of the image, Cleveland Volcano is connected to Chuginadak Volcano by a thin strip of land that appears to be barely above sea level in places. Together these mountains make up Chuginadak Island. (earthobservatory.nasa.gov/images/8013/islands-of-the-four...)

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