Abstract
Shiveluch (Kamchatka, Russia) is the most active andesitic volcano of the Kuril-Kamchatka arc, typically exhibiting near-continual high-temperature fumarolic activity and periods of exogenous lava dome emplacement punctuated by discrete large explosive eruptions. These eruptions can produce large pyroclastic flow (PF) deposits, which are common on the southern flank of the volcano. Since 2000, six explosive eruptions have occurred that generated ash fall and PF deposits. Over this same time period, the Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) instrument has been acquiring image-based visible/near infrared (VNIR), short wave infrared (SWIR) and thermal infrared (TIR) data globally, with a particular emphasis on active volcanoes. Shiveluch was selected as an ASTER target of interest early in the mission because of its frequent activity and potential impact to northern Pacific air transportation. The north Pacific ASTER archive was queried for Shiveluch data and we present results from 2000 to 2009 that documents three large PF deposits emplaced on 19 May 2001, 9 May 2004, and 28 February 2005. The long-term archive of infrared data provides an excellent record on the changing activity and eruption state of the volcano.
Highlights
The specific focus was on the three pyroclastic flow (PF)-forming eruption that occurred on 19 May 2001, 9
The associated PF deposit travelled 12 km confined within a channel, which was the topographic low-point south of the summit dome
ASTER imaged Shiveluch and revealed a high-temperature thermal anomaly centred on the central summit region
Summary
Shiveluch Volcano ( known as Sheveluch) is located at 56.65°N, 161.36°E on the Kamchatka peninsula of eastern Russia (Figure 1). It lies isolated in the lowland area of the Central Kamchatka depression and is the northernmost of 29 potentially active volcanoes on the peninsula [1]. The volcano is comprised of two sectors: Old and Young Shiveluch [2,3,4])—the summit of Old Shiveluch is. 3,283 m above sea level (a.s.l.), whereas the summit of Young Shiveluch is approximately. 2,800 m a.s.l. The activity at Young Shiveluch is composed of multiple extrusive andesite lava domes and thick (up to 100 m) lava flows [5]. Ponomareva et al [6] provide a detailed account of activity spanning the 1964–2004 time period
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