For formal scientific citation of this VONA/KVERT Operative Report, please use the following:
VONA/KVERT Operative Report, January 01, 1970. KVERT, Institute of Volcanology and Seismology FEB RAS. URL: http://www.kscnet.ru/ivs/kvert/van/?n=.
|Aviation Colour Codes
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.
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.
Volcano is exhibiting heightened unrest with increased likelihood of eruption.
Volcanic eruption is underway with no or minor ash emission.
Eruption is forecast to be imminent with significant emission of ash into the atmosphere likely.
Eruption is underway with significant emission of ash into the atmosphere.