VOLCANO OBSERVATORY NOTICE TO AVIATION (VONA)

WMRA01 RUVX 230114
VONA
STATUS: TEST
DTG: 20260123/0114Z
VOLCANO: FUSS PEAK 290340
PSN: N5016 E15515
AREA: RUSSIAN FEDERATION
SOURCE ELEV: 1772M AMSL
NOTICE NR: 2026/01
CURRENT COLOUR CODE: GREEN
PREVIOUS COLOUR CODE: GREEN
SVO: KVERT
ACT STS: NIL
ONSET: NIL
DUR: NIL
VA CLD HGT: NO VA CLD PRODUCED
HGT SOURCE: NO VA CLD PRODUCED
MOV: NO VA CLD PRODUCED
CTC: OLGA A. GIRINA, IVS FEB RAS, TEL: +79622825253, GIRINA@KSCNET.RU, KVERT.FEBRAS.NET
RMK: TEST TEST TEST
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). January 23, 2026. KVERT, Institute of Volcanology and Seismology FEB RAS. URL: http://kvert.febras.net/van/?vn=15.
Aviation Colour 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.
[specify ash-plume height if possible]

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.
[specify ash-plume height if possible]

UNASSIGNED

There is insufficient information available to assess the current status of the volcano or volcanic activity.