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| Keywords: Sarychev Volcano edit.jpg Assessments 1 Sarychev Peak by NASA <br/> A fortuitous orbit of the International Space Station allowed the astronauts this striking view of Sarychev volcano Russia s Kuril Islands northeast of Japan in an early stage of eruption on June 12 2009 Sarychev Peak is one of the most active volcanoes in the Kuril Island chain and is located on the northwestern end of Matua Island Prior to June 12 the last explosive eruption had occurred in 1989 with eruptions in 1986 1976 1954 and 1946 also producing lava flows Commercial airline flights were diverted from the region to minimize the danger of engine failures from ash intake This detailed photograph is exciting to volcanologists because it captures several phenomena that occur during the earliest stages of an explosive volcanic eruption The main column is one of a series of plumes that rose above Matua Island 48 1 degrees north latitude and 153 2 degrees east longitude on June 12 The plume appears to be a combination of brown ash and white steam The vigorously rising plume gives the steam a bubble-like appearance; the surrounding atmosphere has been shoved up by the shock wave of the eruption The smooth white cloud on top may be water condensation that resulted from rapid rising and cooling of the air mass above the ash column and is probably a transient feature the eruption plume is starting to punch through The structure also indicates that little to no shearing winds were present at the time to disrupt the plume By contrast a cloud of denser gray ash -- most probably a pyroclastic flow -- appears to be hugging the ground descending from the volcano summit The rising eruption plume casts a shadow to the northwest of the island bottom center Brown ash at a lower altitude of the atmosphere spreads out above the ground at upper right Low-level stratus clouds approach Matua Island from the east wrapping around the lower slopes of the volcano Only about 1 5 kilometers of the coastline of Matua Island upper center can be seen beneath the clouds and ash Erupce sopky Saryčeva na ostrově Matua v Kurilských ostrovech Fotografováno 12 června 2009 z Mezinárodní vesmírné stanice Eruption des Vulkans Sarytschew am 12 Juni 2009 Le volcan Sarychev sur l'île Matua en éruption Photo prise le 12 juin 2009 Изве жение вулкана Са ычева 12 июня 2009 на о атуа 2009年6 12日萨雷切夫火山喷发情景 该火山位于千岛群岛中的马图阿岛 Sarychev_Volcano jpg 2010-11-02 13 43 UTC Sarychev_Volcano jpg NASA derivative work Avenue <span class signature-talk >talk</span> Rotated and cropped; empty corners filled in using smart replace filter; all darkened Avenue Sarychev_Volcano jpg PD-USGov-NASA And in case the retouching would attract a copyright Original upload log This image is a derivative work of the following images File Sarychev_Volcano jpg licensed with PD-USGov-NASA 2009-06-26T18 01 12Z TonyBallioni 4288x2840 627136 Bytes <nowiki> en A picture of Russia's Sarychev Volcano located in the Kuril Islands erupting ass seen from the International Space Station http //www nasa gov/multimedia/imagegallery/image_featu</nowiki> Uploaded with derivativeFX Sarychev Peak Eruption columns Pileus clouds Pyroclastic flows Wind shear Satellite pictures of 2009 Sarychev eruptions | ||||
