(1) VOLCANO OBSERVATORY NOTICE FOR AVIATION (VONA)
(2) Issued:	20181010/0327Z
(3) Volcano:	Sarychev Peak (CAVW #290240)
(4) Current aviation colour code:	ORANGE
(5) Previous aviation colour code:	orange
(6) Source:	KVERT
(7) Notice Number:	2018-102
(8) Volcano Location:	N 48 deg 5 min E 153 deg 12 min
(9) Area:	Central Kuriles, Russia
(10) Summit Elevation:	4906.88 ft (1496 m)
(11) Volcanic Activity Summary:	Activity of the volcano continues. According to data by Tokyo VAAC, and satellite data by KVERT, an ash cloud drift to the east from the volcano. KVERT continues to monitor Sarychev Peak volcano. An eruptive activity of the volcano continues. Ash explosions up to 32,800-49,200 ft (10-15 km) a.s.l. could occur at any time. Ongoing activity could affect international and low-flying aircrafts.
(12) Volcanic cloud height:	5576-6560 ft (1700-2000 m) AMSL Time and method of ash plume/cloud height determination: 20181010/0230Z – Himawari-8
(13) Other volcanic cloud information:	Distance of ash plume/cloud of the volcano: 43 mi (70 km) Direction of drift of ash plume/cloud of the volcano: E / azimuth 88 deg Time and method of ash plume/cloud determination: 20181010/0230Z – Himawari-8 Start time of explosion and how determined: 20181010/0100Z – Satellite data
(14) Remarks:
(15) Contacts:	Dr. Olga A. Girina, Head of KVERT, IVS FEB RAS girina@kscnet.ru +74152202044 Duty scientist: +79622825253
(16) Next Notice:	A new VONA will be issued if conditions change significantly or the colour code is changed. VONAs are posted at http://www.kscnet.ru/ivs/kvert/index_eng.php. In Russia, KVERT, on behalf of the Institute of Volcanology and Seismology (IVS) FEB RAS, is responsible for providing information on volcanic activity to international air navigation services for the airspace users.