| (1) VOLCANO OBSERVATORY NOTICE FOR AVIATION (VONA) | |
| (2) Issued: | 20170917/0705Z |
| (3) Volcano: | Zhupanovsky (CAVW #300120) |
| (4) Current Aviation Color Code: | YELLOW |
| (5) Previous Aviation Color Code: | orange |
| (6) Source: | KVERT |
| (7) Notice Number: | 2017-235 |
| (8) Volcano Location: | N 53 deg 35 min E 159 deg 8 min |
| (9) Area: | Kamchatka, Russia |
| (10) Summit Elevation: | 9702.24 ft (2958 m) |
| (11) Volcanic Activity Summary: | Moderate activity of the volcano continues. Gas-steam plume was noted on the height up to 4 km a.s.l. KVERT continues to monitor Zhupanovsky volcano. Moderate fumarole activity of the volcano continues. Ash explosions up to 19,700-26,240 ft (6-8 km) a.s.l. could occur at any time. Ongoing activity could affect international and low-flying aircraft. |
| (12) Volcanic cloud height: | NO ASH CLOUD PRODUSED |
| (13) Other volcanic cloud information: | NO ASH CLOUD PRODUSED |
| (14) Remarks: | |
| (15) Contacts: | Dmitry V. Melnikov, IVS FEB RAS dvm@kscnet.ru Duty scientist: +79622825253 |
| (16) Next Notice: | A new VONA will be issued if conditions change significantly or the Aviation Color Code is changes. 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. |
CITATION GUIDELINES For formal scientific citation of this VONA/KVERT Information Release, please use the following: VONA/KVERT Information Release, September 17, 2017. KVERT, Institute of Volcanology and Seismology FEB RAS. URL: http://www.kscnet.ru/ivs/kvert/van/?n=2017-235. |
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| Aviation Color Codes |
GREEN Volcano is in normal, non-eruptive state or, after a change from a higher level: Volcanic activity considered to have ceased, and volcano reverted to its normal, non-eruptive state. |
YELLOW Volcano is experiencing signs of elevated unrest above known background levels. or, after a change from higher level: Volcanic activity has decreased significantly but continues to be closely monitored for possible renewed increase. |
ORANGE Volcano is exhibiting heightened unrest with increased likelihood of eruption. or,
Volcanic eruption is underway with no or minor ash emission. |
RED Eruption is forecast to be imminent with significant emission of ash into the atmosphere likely. or,
Eruption is underway with significant emission of ash into the atmosphere. |