USGS Volcano Notice for Aviation - DOI-USGS-AVO-2026-07-21T18:52:50+00:00

VOLCANO OBSERVATORY NOTICE FOR AVIATION (VONA)

WMAK01 PAVO 212008   
VONA
DTG:                    20260721/2008Z
VOLCANO:                ATKA VOLCANIC COMPLEX 311160
PSN:                    N5220 W17408
AREA:                   ALASKA
SOURCE ELEV:            5030FT AMSL
NOTICE NR:              2026/05
CURRENT COLOUR CODE:    GREEN
PREVIOUS COLOUR CODE:   YELLOW
SVO:                    ALASKA VOLCANO OBSERVATORY
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:                    MATT HANEY SIC, USGS MHANEY@USGS.GOV (907) 786-7497 DAVID FEE, COORDINATING
                        SCIENTIST, UAFGI, DFEE1@A...
RMK:                    UNREST DECLINED.
NXT NOTICE:             A NEW VONA WILL BE ISSUED IF COND CHANGE SIGNIFICANTLY OR IF THE COLOR CODE CHANGES
NNNN