Semisopochnoi Volcano Volcanic Ash Advisory: LOW LEVEL ERUPTIONS CONTINUED to 6000 ft (1800 m)
Thu, 23 Dec 2021, 01:30
01:30 AM | BY: VNThe full report is as follows:
FVAK21 at 01:14 UTC, 23/12/21 from PAWU
VAAAK1
VA ADVISORY
DTG: 20211223/0115Z
VAAC: ANCHORAGE
VOLCANO: SEMISOPOCHNOI 311060
PSN: N5156 E17935
AREA: ALEUTIAN ISLANDS
SUMMIT ELEV: 4006 FT [1221 M]
ADVISORY NR: 2021/203
INFO SOURCE: HIMAWARI
AVIATION COLOR CODE: ORANGE
ERUPTION DETAILS: LOW LEVEL ERUPTIONS CONTINUED
OBS VA DTG: 23/0115Z
OBS VA CLD: SFC/FL060 N5356 W17945 - N5150 E17959 - N5150 E17826
- N5349 E17810 - N5349 E17810 - N5356 W17945 MOV N 30KT
FCST VA CLD +6HR: 23/0715Z SFC/FL060 N5355 E17941 - N5145 W17951
- N5151 E17855 - N5351 E17739 - N5355 E17941 - N5355 E17941
FCST VA CLD +12HR: 23/1315Z NO VA EXP
FCST VA CLD +18HR: 23/1915Z NO VA EXP
RMK: NONE
NXT ADVISORY: WILL BE ISSUED BY 20211223/0715Z
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Previous news
Wed, 22 Dec 2021, 19:30
Wed, 22 Dec 2021, 13:44
AVO reported that low-level eruptive activity and elevated seismicity at Semisopochnoi's North Cerberus crater continued during 22-28 December. Small explosions were detected almost daily in seismic and infrasound data. Low-level ash-and-steam emissions were observed by webcams and in satellite images during 22-25 December, when weather conditions were clear. ... Read all
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