Semisopochnoi Volcano Volcanic Ash Advisory: NOT PROVIDED
Wed, 22 Sep 2021, 12:15 | BY: VN
Volcanic Ash Advisory Center Washington (VAAC) issued the following report:FVXX24 at 12:07 UTC, 22/09/21 from KNES
VA ADVISORY
DTG: 20210922/1205Z
VAAC: WASHINGTON
VOLCANO: SEMISOPOCHNOI
PSN: N5156 E17937
AREA: ALEUTIAN.IS
SUMMIT ELEV: 4006 FT [1221 M]
ADVISORY NR: 2021/117
INFO SOURCE: NOT PROVIDED
ERUPTION DETAILS: NOT PROVIDED
OBS VA DTG: NOT PROVIDED
OBS VA CLD: NOT PROVIDED
FCST VA CLD +6HR: NOT PROVIDED
FCST VA CLD +12HR: NOT PROVIDED
FCST VA CLD +18HR: NOT PROVIDED
RMK: PLEASE SEE FVAK21 PAWU 221156 ISSUED BY THE
ANCHORAGE VAAC THAT DESCRIBES CONDITIONS NEAR THE
WASHINGTON VAAC AREA OF RESPONSIBILITY. ...FISHER
NXT ADVISORY: WILL BE ISSUED BY 20210922/1800Z
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Wed, 22 Sep 2021, 06:15
Semisopochnoi Volcano Volcanic Ash Advisory: PERIODIC VA EMISSIONS VISIBLE ON SATELLITE IMAGERY. to 12000 ft (3700 m)
Wed, 22 Sep 2021, 06:00
Semisopochnoi volcano (Aleutian Islands, USA) - Smithsonian / USGS Weekly Volcanic Activity Report for 22 September-28 September 2021 (Continuing Activity)
AVO reported that eruptive activity at Semisopochnoi's North Cerberus crater continued during 22-28 September. Seismicity remained elevated; daily explosions were recorded by seismic and infrasound networks. The frequency and intensity of ash emissions decreased during 21-22 September with occasional discrete ash clouds drifted W at altitudes of 3-4.6 km (10,000-15,000 ft) a.s.l. ... Read all
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