VONA/KVERT WEEKLY INFORMATION RELEASE 38-2016
Kamchatkan and Northern Kuriles Volcanic Activity
September 23, 2016, 00:02 UTC (September 23, 2016, 12:02 KST)
KVERT monitor 30 active volcanoes of Kamchatka and 6 active volcanoes of Northern Kuriles. Not all of these volcanoes had eruptions in historical time, however they are potentially active and therefore are of concern to aviation.
SUMMARY OF AVIATION COLOR CODES:
KLYUCHEVSKOY, SHEVELUCH: ORANGE
AVACHINSKY, DIKY GREBEN, GAMCHEN, GORELY, ICHINSKY, ILIINSKY, KAMBALNY, KARYMSKY, KHANGAR, KHODUTKA, KIKHPINYCH, KIZIMEN, KOMAROV, KORYAKSKY, KOSHELEV, KRASHENINNIKOV, KRONOTSKY, KSUDACH, MALY SEMYACHIK, MUTNOVSKY, OPALA, PLOSKY TOLBACHIK, TAUNSHITS, USHKOVSKY, VYSOKY, ZHELTOVSKY, ZHUPANOVSKY: GREEN
ALAID, CHIKURACHKI, EBEKO, FUSS PEAK, KARPINSKY, TATARINOV: GREEN
SHEVELUCH VOLCANO (CAVW #300270)
56.64 N, 161.32 E; Elevation 10768 ft (3283 m), the dome elevation ~8200 ft (2500 m)
Aviation Color Code is ORANGE
Explosive-extrusive eruption of the volcano continues. Ash explosions up to 32,800 ft (10 km) a.s.l. could occur at any time. Ongoing activity could affect international and low-flying aircraft.
A growth of the lava dome continues (a viscous lava flow reveal in the northern its part), strong fumarole activity, ash explosions, hot avalanches and an incandescence of the dome blocks and hot avalanches accompany this process. There was a moderate explosive event in the extrusive dome on 18 September, resulting in the collapsed dome blocks and the formation of pyroclastic flows about 10 km long. Pyroclastic flows deposits were noted at the valley of Baydarnaya river and in the central part of the southern slope of the volcano. Satellite data by KVERT showed a thermal anomaly over the lava dome all week; due to dense meteorological clouds in the area of the volcano on 18 September, ash clouds and plumes were not observed.
KLYUCHEVSKOY VOLCANO (CAVW #300260)
56.06 N, 160.64 E; Elevation 15580 ft (4750 m)
Aviation Color Code is ORANGE
Explosive-effusive eruption of the volcano continues. Ash explosions up to 26,240-33,000 ft (8-10 km) a.s.l. could occur at any time. Ongoing activity could affect international and low-flying aircraft.
Explosive-effusive eruption of the volcano continues: there are bursts of volcanic bombs above the summit crater and above the cinder cone into Apakhonchich chute, and strong gas-steam activity of two volcanic centers with emission of different amounts of ash, and the effusing of lava flows along Apakhonchich chute at the eastern flank of the volcano, and at the south-western its flank. According to satellite data by KVERT, a large bright thermal anomaly was observed in the area of the volcano all week; on 15 and 20-22 September explosions sent ash up to 7 km a.s.l. and ash plumes extended for about 100 km to the south-west, east and south-east from the volcano.
BEZYMIANNY VOLCANO (CAVW #300250)
55.97 N, 160.6 E; Elevation 9453 ft (2882 m)
Aviation Color Code is YELLOW
A moderate gas-steam activity of the volcano continues. Ongoing activity could affect low-flying aircraft.
A moderate gas-steam activity of the volcano continues. Satellite data by KVERT showed a weak thermal anomaly over the volcano on 21 September, the volcano was obscured by clouds in the other days of week.
IF YOU HAVE ANY QUESTIONS OR CONCERNS, PLEASE CONTACT:
Dr. Olga A. Girina, Head of KVERT, IVS FEB RAS
Tel. Duty scientist: +79622825253
In Russia, KVERT, on behalf of the Institute of Volcanology and Seismology (IVS) FED RAS, is responsible for providing information on volcanic activity to international air navigation services for the airspace users.
KVERT scientists was available in the office from 8:30 AM till 6:00 PM (KST) 7 days in week and by phone during the evenings since 2005. KVERT produces daily satellite monitoring (since 2002 till now); analyses information from remote scientific observation stations and seismic data for volcanoes: Alaid, Avachinsky, Bezymianny, Gorely, Karymsky, Kizimen, Klyuchevskoy, Koryaksky, Mutnovsky, Plosky Tolbachik, Sheveluch, Ushkovsky, Zhupanovsky (from the Kamchatkan Branch of Geophysical Survey RAS); and other information to monitor activity at Kamchatkan and Northern Kuriles Volcanoes.
KVERT web-page (the Institute of Volcanology and Seismology FED RAS): http://www.kscnet.ru/ivs/kvert/index_eng.php
KVERT Information Releases at the web-page of AVO (Alaska Volcano Observatory): http://www.avo.alaska.edu
Web-cameras for Kamchatkan volcanoes: http://www.kscnet.ru/ivs/kvert/
For formal scientific citation of this VONA/KVERT Weekly Release, please use the following:
VONA/KVERT Weekly Release, September 23, 2016. KVERT, Institute of Volcanology and Seismology FEB RAS. URL: http://www.kscnet.ru/ivs/kvert/van/index.php?n=38-2016.