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Archive for the ‘volcanic plume’ Category

Recent Volcanic Activity – Satellite Images

Posted by feww on June 11, 2010

Plume Spewed by Ulawun Volcano

Ulawun Volcano located  on Papua New Guinea (PNG) island of New Britain spewed a plume of steam and ash on June 10, 2010. The above is a  natural-color image captured by ALIon NASA’s EO-1 satellite on the same day.

Ulawun is one of the most active volcanoes in PNG and has repeatedly erupted producing large lava and pyroclastic flows over the past 40 years. Image Source: NASA E/O. Click images to enlarge.

Ulawun Volcano (Father) and Bamus Volcano (Son)

Summit Elevation:    2,334 m
Coordinates: 5.05°S, 151.33°E

Ulawun and Bamus volcano (upper left) are the two highest volcanoes of the Bismarck arc, and are known as the Father and South Son volcanoes. The peak to the left of the summit is a prominent E-W-trending escarpment on the south side that may result from large-scale slumping. Historical eruptions date back to the beginning of the 18th century. Photo by Wally Johnson (Australia Bureau of Mineral Resources). Caption: GVP.

Klyuchevskaya Volcano Signals New Round of Activity

Protruding from clouds, the summit of Klyuchevskaya Volcano located on Kamchatka Peninsula (Russia)  released a small plume on June 7, 2010. Natural-color image acquired by ALI on NASA’s EO-1Download large image (924 KB, JPEG) satellite the same day. “A faint brown-gray plume blows toward the north (image right), contrasting with the bright clouds below.” Source: NASA E/O.

6,000-year-old Kliuchevskoi:  Kamchatka’s highest and most active volcano

Summit Elevation: 4,835m
Coordinates: 56.057°N, 160.638°E

The 4,835-m-high basaltic stratovolcano has produced frequent moderate-volume explosive and effusive eruptions without major periods of inactivity. More than 100 flank eruptions have occurred during the past roughly 3,000 years, with most lateral craters and cones occurring on the NE (seen here) and SE flanks of the conical volcano at altitudes of 500-3,600 m. Photo by E.Y. Zhdanova (courtesy of Oleg Volynets, Institute of Volcanology, Petropavlovsk). Source: GVP.

Grouping on the Global Map

Map of Volcanoes

Map of Volcanoes. Background Map: University of Michigan. Designed and enhanced by Fire Earth Blog. Click image to enlarge.

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Posted in Bamus Volcano, Klyuchevskaya Volcano, Ulawun Volcano, volcanic eruption, volcanic plume, volcanism, volcano | Tagged: , , | Leave a Comment »

Shiveluch Release Plumes of Ash

Posted by feww on August 4, 2009

More Activity at Shiveluch Volcano

A  true-color image of Shiveluch captured by the Moderate Resolution Imaging Spectroradiometer (MODIS) on NASA’s Aqua satellite on August 3, 2009. The volcanic plume blows away from the summit, crossing the coastline and fanning out over the Bering Sea. The plume’s relatively dark color compared to nearby clouds suggests the presence of volcanic ash.  One of Kamchatka’s largest volcanoes, with a 3,283 meters high summit,  Shiveluch has undergone about 60 significant eruptions in the past 10,000 years.
NASA image courtesy MODIS Rapid Response Team, Goddard Space Flight Center. The Rapid Response Team provides daily images of this region. Caption by Michon Scott. [Edited by FEWW.]

Young Shiveluch: 56°38′ N, 161°19′ E, elevation: active dome about 2,800 m, summit of Old Shiveluch 3,283 m

Shiveluch volcano seen from the southeast: Young Shiveluch with its active dome is to the left, and Late Pleistocene Old Shiveluch is to the right of the photo. Source: Institute of Volcanology and Seismology, Kamchatka, Image may be subject to copyright.

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Posted in Bering Sea, Kamchatka volcanoes, volcanic plume, volcano images, volcanoes | Tagged: , , , , | 2 Comments »