Semisopochnoi Volcano Volcanic Ash Advisory: ERUPTION BEGAN AROUND 2150Z. VA EVIDENT ON SATELLITE IMAGERY. to 12000 ft (3700 m)

Tue, 28 Sep 2021, 22:30
22:30 PM | BY: VN
Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Anchorage warned about a volcanic ash plume that rose up to estimated 12000 ft (3700 m) altitude or flight level 120 and is moving at 25 kts in ESE direction.
The full report is as follows:

FVAK21 at 22:23 UTC, 28/09/21 from PAWU
VAAAK1
VA ADVISORY

DTG: 20210928/2214Z

VAAC: ANCHORAGE

VOLCANO: SEMISOPOCHNOI 311060

PSN: N5156 E17935

AREA: ALEUTIAN ISLANDS

SUMMIT ELEV: 4006 FT [1221 M]

ADVISORY NR: 2021/146

INFO SOURCE: HIMAWARI/GOES/AVO

AVIATION COLOR CODE: ORANGE

ERUPTION DETAILS: ERUPTION BEGAN AROUND 2150Z. VA EVIDENT ON
SATELLITE IMAGERY.

OBS VA DTG: 28/2214Z

OBS VA CLD: SFC/FL120 N5210 E17929 - N5120 W17756 - N5037 W17906
- N5156 E17913 - N5210 E17929 MOV ESE 25KT.

FCST VA CLD +6HR: 29/0414Z SFC/FL120 N5210 E17931 - N5125 W17634
- N5017 W17742 - N5157 E17919 - N5210 E17931 - N5210 E17931.

FCST VA CLD +12HR: 29/1014Z NO VA EXP.

FCST VA CLD +18HR: 29/1614Z NO VA EXP.

RMK: ERUPTION BEGAN AROUND 2150Z. VA EVIDENT ON SATELLITE IMAGERY.

NXT ADVISORY: WILL BE ISSUED BY 20210929/0414Z

BL SEP 2021 AAWU

Previous news

Try our free app!
Volcanoes & Earthquakes - new app for Android
Android | iOS version

More on VolcanoDiscovery

Why is there advertising on this site?
Support us - Help us upgrade our services!
We truly love working to bring you the latest volcano and earthquake data from around the world. Maintaining our website and our free apps does require, however, considerable time and resources.
We need financing to increase hard- and software capacity as well as support our editor team. We're aiming to achieve uninterrupted service wherever an earthquake or volcano eruption unfolds, and your donations can make it happen! Every donation will be highly appreciated. If you find the information useful and would like to support our team in integrating further features, write great content, and in upgrading our soft- and hardware, please make a donation (PayPal or Online credit card payment).

Planned features:
  • Improved multilanguage support
  • Tsunami alerts
  • Faster responsiveness
Thanks to your past donations, these features have been added recently:
  • Earthquake archive from 1900 onwards
  • Detailed quake stats
  • Additional seismic data sources
Download and Upgrade the Volcanoes & Earthquakes app to get one of the fastest seismic and volcano alerts online:
Android | IOS
Thank you!
Copyrights: VolcanoDiscovery and other sources as noted.
Use of material: Most texts and images, in particular photographs, on this website are protected by copyright. Further reproduction and use of without authorization is usually not consented. If you are not sure or need licensing rights for photographs, for example for publications and commercial use, please contact us.
Home | Travel | Destinations | Volcanoes | Photos | Earthquakes | About | Glossary | News | Contact | Privacy | Imprint | EN | DE | EL | ES | FR | IT | RU
Follow us:Follow us on facebookFollow us on InstagramFollow us on TwitterVisit our Youtube channel