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VOLCANO OBSERVATORY NOTICE FOR AVIATION (VONA) WMRA01 RUVX 080949 VONA DTG: 20261008/0949Z VOLCANO: BEZYMIANNY 300250 PSN: N5558 E16036 AREA: RUSSIAN FEDERATION SOURCE ELEV: 2882M AMSL NOTICE NR: 2026/28 CURRENT COLOUR CODE: YELLOW PREVIOUS COLOUR CODE: YELLOW SVO: KVERT ACT STS: ERUPTION ONGOING ONSET: NIL DUR: NIL VA CLD HGT: NO VA CLD PRODUCED HGT SOURCE: NO VA CLD PRODUCED MOV: NO VA CLD PRODUCED CTC: ALEXANDER G. MANEVICH, IVS FEB RAS, TEL: +79622825253, MAG@KSCNET.RU, KVERT.FEBRAS.NET RMK: EFFUSIVE ERUPTION OF VOLCANO CONT. SAT DATA SHOW A THERMAL ANOMALY ON VOLCANO. ONGOING ACTIVITY COULD AFFECT LOW-FLYING AIRCRAFT. NXT NOTICE: A NEW VONA WILL BE ISSUED IF COND CHANGE SIGNIFICANTLY OR IF THE COLOUR CODE CHANGES. |
CITATION GUIDELINES For formal scientific citation of this KVERT/VONA, please use the following: KVERT Volcano Observatory Notice for Aviation (VONA). October 08, 2026. KVERT, Institute of Volcanology and Seismology FEB RAS. URL: http://kvert.febras.net/van/?vn=166. |
| KVERT Information Releases |
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Information of Kamchatkan Volcanic Eruption Response Team (KVERT)
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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. |
