| ISS033 Earth Sciences and Image Analysis Photographic Highlights |
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| ISS033-E-18010 |
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| Central Kamchatka Volcanoes, Russian Federation: The
snow-covered peaks of several volcanoes on the central Kamchatka
Peninsula stand above a fairly uniform cloud deck that obscures
the surrounding lowlands. In addition to the rippled cloud
patterns—caused by interactions of air currents and the volcanoes—a
steam and ash plume is visible extending north-northeast from the
relatively low summit (2,882 meters above sea level) of Bezymianny
volcano. Volcanic activity in this part of Russia is relatively
frequent, and well monitored by Russia’s Kamchatka Volcanic Eruption
Response Team (KVERT). The KVERT
web site provides updated information about activity levels on
the peninsula, including aviation alerts and webcams. Directly to the north and northeast of Bezymianny, the much larger and taller stratovolcanoes Kamen (4,585 meters above sea level) and Klyuchevskaya (also Kliuchevskoi) (4,835 meters) are visible. Klyuchevskaya is Kamchatka’s most active volcano; it last erupted in 2011, whereas Kamen has not erupted during the recorded history of the region. The most recent activity at the volcanic massif of Ushkovsky (3,943 meters) was an explosive eruption in 1890. To the south of Bezymianny, the peaks of Zimina (3,081 meters above sea level) and Udina (2,923 meters) volcanoes are just visible above the cloud deck; no historical eruptions are known from either of them. While the large Tobalchik volcano to the southwest is largely formed from a basaltic shield volcano, its highest peak (3,682 meters) is formed from an older stratovolcano. Tobalchik last erupted in 1976. While this image may look like it was taken from a passenger airplane, in fact it was taken from the considerably higher altitude of the International Space Station (ISS). At the time the image was taken, the ISS was located approximately 417 kilometers above the Sea of Okhotsk and more than 700 kilometers to the southwest of the volcanoes. The combination of the low viewing angle, the shadows, the height, and the distance from the volcanoes contributes to the appearance of a topographic relief map. |
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This service is provided by the International Space Station program and the JSC Astromaterials Research & Exploration Science Directorate. Recommended Citation: Image Science and Analysis Laboratory, NASA-Johnson Space Center. "The Gateway to Astronaut Photography of Earth." . |
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