NASA: It is happening now - Está sucediendo ahora - 10-02-11 - Activity at Shiveluch Volcano - Russia’s Kamchatka Peninsula
Posted by Ricardo Marcenaro | Posted in NASA: It is happening now - Está sucediendo ahora - 10-02-11 - Activity at Shiveluch Volcano - Russia’s Kamchatka Peninsula | Posted on 22:34
Activity at Shiveluch Volcano
acquired September 7, 2010
Activity at Shiveluch Volcano
January 27, 2011
With a summit that reaches 3,283 meters (10,771 feet), Shiveluch is one of the largest and most active volcanoes in Russia’s Kamchatka Peninsula. At least 60 large eruptions of Shiveluch have occurred during the last 10,000 years, making it the most vigorous volcano of the Kuril-Kamchatka volcanic arc.
On January 25, 2011, the Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) on NASA’s Terra satellite detected an hot avalanche of volcanic debris—a pyroclastic flow—sliding down the south side of the volcano. This image shows the flow’s heat signature as measured in thermal infrared light. The white area at the lava dome is very hot, while the red areas on the edge of the flow are just warmer than the surrounding snow.
The hot trail of material descending to the south forms a large distributed deposit, indicating a recent collapse of the lava dome and formation of a large debris avalanche. According to the Global Volcanism Program, Shiveluch’s current eruptive period began in 1999.
References
- Global Volcanism Program. (n.d.) Shiveluch. Smithsonian Institution, National Museum of Natural History. Accessed February 10, 2011.
- Photojournal. (2011, January 27). NASA spacecraft captures fury of Russian volcano. NASA Jet Propulsion Laboratory. Accessed February 10, 2011.
NASA Earth Observatory image by Jesse Allen and Robert Simmon NASA/GSFC/METI/ERSDAC/JAROS, and U.S./Japan ASTER Science Team. Caption adapted from NASA spacecraft captures fury of Russian volcano, NASA Jet Propulsion Laboratory.
- Instrument:
- Terra - ASTER
NASA: It is happening now - Está sucediendo ahora - 10-02-11 - Activity at Shiveluch Volcano - Russia’s Kamchatka Peninsula
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