Shishaldin volcano news & activity updates:
Shishaldin Volcano Volcanic Ash Advisory: 20191212/1610Z ERUPTION to 30000 ft (9100 m)
Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Anchorage warned about a volcanic ash plume that rose up to estimated 30000 ft (9100 m) altitude or flight level 300 and is moving at 35 kts in NW direction.
jeu., 12 déc. 2019, 17:3017:30 PM | AUTEUR : VN
The full report is as follows:
FVAK21 at 17:19 UTC, 12/12/19 from PAWU
VOLCANO: SHISHALDIN 311360
PSN: N5445 W16358
AREA: ALEUTIAN ISLANDS
SUMMIT ELEV: 9374 FT [2857 M]
ADVISORY NR: 2019/003
INFO SOURCE: HIMAWARI/GOES/LIGHTNING DATA
AVIATION COLOR CODE: ORANGE
ERUPTION DETAILS: 20191212/1610Z ERUPTION
OBS VA DTG: 12/1710Z
OBS VA CLD: SFC/FL300 N5442 W16333 - N5516 W16556 - N5603 W16456
- N5509 W16256 - N5442 W16333 MOV NW 35KT.
FCST VA CLD +6HR: 12/2310Z SFC/FL300 N5537 W16739 - N5630 W17133
- N5749 W17004 - N5618 W16635 - N5537 W16739 - N5537 W16739.
FCST VA CLD +12HR: 13/0510Z NO VA EXP.
FCST VA CLD +18HR: 13/1110Z NO VA EXP.
RMK: VA CLOUD TOPS ESTIMATED PER PACD 20191212/1200Z RAOBS WINDS
NXT ADVISORY: WILL BE ISSUED BY 20191212/2310Z
DH DEC 2019 AAWU
sam., 30 nov. 2019, 20:05
Shishaldin Volcano continues to erupt episodically. USGS AVO report that seismic levels were variable throughout the week, with elevated activity early in the week and over the past 36 hours. This was accompanied by strongly elevated surface temperatures suggesting renewed lava effusion. Persistent clouds have obscured observations of eruptive activity in the web cameras. ... lire toutes
mer., 27 nov. 2019, 08:42
The Alaska Volcano Observatory (AVO) reported that seismicity at the volcano has decreased over the past day, but remains elevated. Strongly elevated surface temperatures have been observed in multiple satellite images over the past 24 hours. ... lire toutes
dim., 24 nov. 2019, 20:17
USGS AVO reports that Shishaldin Volcano has been in an eruptive hiatus over the past several days, with low seismic tremor and only weakly elevated surface temperatures, consistent with cooling lava flows. No anomalous activity has been observed in AVO’s satellite and webcam data, and no ash plumes have been detected. ... lire toutes
jeu., 21 nov. 2019, 08:08
The Alaska Volcano Observatory reported that the eruption at the volcano continued at variable levels during 13-19 November. ... lire toutes
mer., 20 nov. 2019, 08:35
The Alaska Volcano Observatory (AVO) reported that during the last 24 hours seismicity at the volcano increased to a level similar to that observed during other eruptive periods over the past few weeks, consistent with the resumption of eruptive activity at the volcano. ... lire toutes