(1) VOLCANO OBSERVATORY NOTICE FOR AVIATION (VONA) | |
(2) Issued: | 20180109/0001Z |
(3) Volcano: | Ebeko (CAVW #290380) |
(4) Current aviation colour code: | ORANGE |
(5) Previous aviation colour code: | orange |
(6) Source: | KVERT |
(7) Notice Number: | 2018-13 |
(8) Volcano Location: | N 50 deg 41 min E 156 deg 0 min |
(9) Area: | Northern Kuriles, Russia |
(10) Summit Elevation: | 3791.68 ft (1156 m) |
(11) Volcanic Activity Summary: | A moderate eruptive activity of the volcano continues. A gas-steam plume containing some amount of ash drift to the east from the volcano. A moderate eruptive activity of the volcano continues. Ongoing activity could affect low-flying aircraft. |
(12) Volcanic cloud height: | 6560-8200 ft (2000-2500 m) AMSL Time and method of ash plume/cloud height determination: 20180108/2255Z – Visual data |
(13) Other volcanic cloud information: | Distance of ash plume/cloud of the volcano: 4 mi (6 km) Direction of drift of ash plume/cloud of the volcano: E / azimuth 90 deg Time and method of ash plume/cloud determination: 20180108/2255Z – Visual data |
(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 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. |
CITATION GUIDELINES For formal scientific citation of this VONA/KVERT Information Release, please use the following: VONA/KVERT Information Release, January 09, 2018. KVERT, Institute of Volcanology and Seismology FEB RAS. URL: http://www.kscnet.ru/ivs/kvert/van/?n=2018-13. |
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. |