(1) VOLCANO OBSERVATORY NOTICE FOR AVIATION (VONA) (2) Issued:20180420/0315Z (3) Volcano:Maly Semyachik (CAVW #300140) (4) Current aviation colour code:GREEN (5) Previous aviation colour code:yellow (6) Source:KVERT (7) Notice Number:2018-36 (8) Volcano Location:N 54 deg 8 min E 159 deg 40 min (9) Area:Kamchatka, Russia (10) Summit Elevation:5116.8 ft (1560 m)(11) Volcanic Activity Summary:An activity of the volcano increased in the second half of March, 2018. The ice that covered the lake into the volcano crater melted within 5-6 days, but an explosive activity of the volcano was not registered. Satellite data by KVERT shows a weak thermal anomaly over the volcano from 20 March till now. KVERT continues to monitor Maly Semyachik volcano.\n\nAn activity of the volcano continues. Gas-steam plumes could affect low-flying aircraft. (12) Volcanic cloud height:NO ASH CLOUD PRODUSED(13) Other volcanic cloud information:NO ASH CLOUD PRODUSED(14) Remarks:(15) Contacts:Dr. Olga A. Girina, Head of KVERT, IVS FEB RAS\ngirina@kscnet.ru +74152202044\n\nDuty 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.\n\nIn 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.