USGS Volcano Notice for Aviation - DOI-USGS-AVO-2026-09-08T22:30:01+00:00

VOLCANO OBSERVATORY NOTICE FOR AVIATION (VONA)

WMAK01 PAVO 082231   
VONA
DTG:                    20260908/2231Z
VOLCANO:                KUPREANOF 312060
PSN:                    N5601 W15947
AREA:                   ALASKA
SOURCE ELEV:            6217FT AMSL
NOTICE NR:              2026/03
CURRENT COLOUR CODE:    UNASSIGNED
PREVIOUS COLOUR CODE:   YELLOW
SVO:                    ALASKA VOLCANO OBSERVATORY
ACT STS:                DECREASED UNREST
ONSET:                  NIL
DUR:                    NIL
VA CLD HGT:             NO VA CLD PRODUCED
HGT SOURCE:             NO VA CLD PRODUCED
MOV:                    NO VA CLD PRODUCED
CTC:                    AVO DUTY SCIENTIST 907-786-7497
RMK:                    [CORRECTED] VOLCANIC ACTIVITY HAS DECLINED. AVIATION COLOR CODE IS UNASSIGNED RATHER
                        THAN GREEN DUE TO INSUFFICIENT GROUND-BASED MONITORING DATA.
NXT NOTICE:             A NEW VONA WILL BE ISSUED IF COND CHANGE SIGNIFICANTLY OR IF THE COLOR CODE CHANGES
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