(1) VOLCANO OBSERVATORY NOTICE FOR AVIATION (VONA) | |
(2) Issued: | 20211021/2311Z |
(3) Volcano: | Ebeko (CAVW #290380) |
(4) Current aviation colour code: | YELLOW |
(5) Previous aviation colour code: | orange |
(6) Source: | KVERT |
(7) Notice Number: | 2021-125 |
(8) Volcano Location: | N 50 deg 41 min E 156 deg 0 min |
(9) Area: | Northern Kuriles, Russia |
(10) Summit Elevation: | 1156 m (3791.68 ft) |
(11) Volcanic Activity Summary: | A moderate gas-steam activity of the volcano continues, but eruptive events were observed on 22 September, 2021, last time. A thermal anomaly over the volcano was noting on 25 August, 2021, last time. Probably a moderate explosive eruption of the volcano gradually ends. KVERT continues to monitor Ebeko volcano. A moderate activity of the volcano continues. A danger of ash emission up to 6 km (19,700 ft) a.s.l. at any time is remains. Ongoing activity 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 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/. 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, October 21, 2021. KVERT, Institute of Volcanology and Seismology FEB RAS. URL: http://www.kscnet.ru/ivs/kvert/van/?n=2021-125. |
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. |