TERCEIRA.7 - 2025-12-04 11:38 utc
Quantitative Volcanic Ash : Determinist Low Medium High Very High
Advisories
TERCEIRA.7 - 2025-12-04 11:38 utc 
VA ADVISORY
STATUS: EXER
DTG: 20251204/1138Z
VAAC: TOULOUSE
VOLCANO: TERCEIRA 382050
PSN: N3843 W02719
AREA: AZORES-TERCEIRA RIFT VOLCANIC PROVINCE
SOURCE ELEV: 1023M
ADVISORY NR: 2025/7
INFO SOURCE: VONA, GROUND OBS, SAT IMAGERY
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: ERUPTION AT 20251204/0855Z EXPLOSIVE ERUPTION ONGOING
OBS VA DTG: 04/1120Z
OBS VA CLD: SFC/FL300 N3848 W02721 - N3909 W02618 - N3833 W02615 - N3757 W02709 - N3848 W02721 MOV W 25KT FL250/470 N3848 W02721 - N3830 W02700 - N3742 W02657 - N3733 W02803 - N3848 W02721 MOV S 20KT
FCST VA CLD +6 HR: 04/1720Z SFC/FL200 N3851 W02727 - N4042 W02300 - N3818 W02218 - N3836 W02727 - N3851 W02727  FL150/300 N3715 W02800 - N3933 W02533 - N3842 W02357 - N3718 W02612 - N3715 W02800  FL250/470 N3630 W02957 - N3824 W02621 - N3748 W02509 - N3427 W02745 - N3630 W02957 
FCST VA CLD +12 HR: 04/2320Z SFC/FL230 N3930 W02612 - N4045 W02215 - N4121 W01921 - N4045 W01551 - N3815 W02009 - N3839 W02736 - N3930 W02612  FL150/300 N3645 W02921 - N3845 W02448 - N3836 W02127 - N3530 W02815 - N3645 W02921  FL250/470 N3615 W03000 - N3818 W02457 - N3808 W02342 - N3603 W02457 - N3118 W03118 - N3615 W03000 
FCST VA CLD +18 HR: 05/0520Z SFC/FL230 N3900 W02733 - N4042 W02112 - N4200 W01424 - N3854 W00954 - N3815 W01445 - N3839 W02724 - N3900 W02733  FL100/300 N3745 W02724 - N3918 W02251 - N3918 W01915 - N3433 W02951 - N3745 W02724  FL250/470 N3545 W02942 - N3751 W02527 - N3818 W02151 - N3538 W02533 - N2715 W03351 - N2836 W03412 - N3545 W02942 
RMK:  EXERCISE VOLCAZO25.02 PLEASE DISREGARD. THE ERUPION IS ONGOING BUT THE PLUME HEIGHT HAS DROPPED TO 6KM AMSL. EXERCISE EXERCISE EXERCISE
NXT ADVISORY: 20251204/1430Z=
VAA (txt) VAG (png) VAG (csv) Concentration maps (png) Concentration maps (csv) Concentration maps SFC-FL200 (pdf) Concentration maps FL200-FL350 (pdf) Concentration maps FL350-FL550 (pdf) Annotated satellite views (jpeg) QVA det (json) QVA low (json) QVA medium (json) QVA high (json) QVA very high (json)

Latest OPER VAA

Latest EXER VAA

Volcanoes

Agua de pau Ashikule volcanic field Askja Calbuco Cameroon mt Campi flegrei Chaine des puys Chaiten Cordon caulle Dubbi Erta ale Etna Eyjafjoll Fayal Fogo Furnas Grimsvotn Hayli gubbi Heard Hekla Hunga tonga hunga haapai Katla La palma Merapi Meru Nabro Nyambeni hills Nyamuragira Nyiragongo Ol doinyo lengai Piton de la fournaise Sete cidades Soufriere st. vincent Stromboli Tahalra volcanic field Tenerife Terceira Teyr djebel Unknown Vesuvius Vulcano

States

Algeria Australia Cameroon Cape verde Chile China Dr congo Eritrea Ethiopia France Iceland Indonesia Italy Kenya Portugal Saint vincent and the grenadines Spain Tanzania Tonga Unknown Yemen

years

2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025 2026