Popocatepetl volcano news & eruption update

Обновленный: 25 сен 2021 00:04 GMT

Вулкан Popocatépetl: Консультативный центр по вулканическому пеплу: VA EM OBS IN STLT.

Thu, 20 Feb 2020, 22:15
22:15 PM | ПЇЅПЇЅПЇЅПЇЅПЇЅ: VN
Спутниковое изображение вулкана Popocatépetl 20 Feb 2020
Спутниковое изображение вулкана Popocatépetl 20 Feb 2020
Эруптивная активность продолжается. Консультативный центр по вулканическому пеплу (VAAC) в Washington предупредил о шлейфе вулканического пепла, который поднялся на высоту 19000 футов (5800 m).
Полный отчет выглядит следующим образом:

FVXX20 at 22:13 UTC, 20/02/20 from KNES
VA ADVISORY
DTG: 20200220/2211Z

VAAC: WASHINGTON

VOLCANO: POPOCATEPETL 341090
PSN: N1901 W09837

AREA: MEXICO

SUMMIT ELEV: 17802 FT [5426 M]

ADVISORY NR: 2020/170

INFO SOURCE: GOES-EAST. WEB CAM. NWP MODELS.

ERUPTION DETAILS: VA EM OBS IN STLT.

OBS VA DTG: 20/2156Z

OBS VA CLD: SFC/FL190 N1914 W09852 - N1902 W09837
- N1900 W09837 - N1907 W09859 - N1914 W09852 MOV
NW 5-10KT

FCST VA CLD +6HR: 21/0400Z SFC/FL190 N1917 W09852
- N1901 W09837 - N1901 W09838 - N1908 W09858 -
N1917 W09852

FCST VA CLD +12HR: 21/1000Z SFC/FL190 N1913
W09837 - N1901 W09837 - N1901 W09837 - N1912
W09844 - N1913 W09837

FCST VA CLD +18HR: 21/1600Z SFC/FL NO ASH EXP

RMK: VA EM OBS IN STLT AND WEBCAM MOV NW OF
SUMMIT. LGT WINDS FCST THRU T+12HR BASED ON NWP
MODEL GDNC. ...LEVINE

NXT ADVISORY: WILL BE ISSUED BY 20200221/0415Z

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Background:

Обновленный: 25 сен 2021 00:04 GMT

Volcán Popocatépetl, whose name is the Aztec word for smoking mountain, towers to 5426 m 70 km SE of Mexico City to form North America's 2nd-highest volcano.  The glacier-clad stratovolcano contains a steep-walled, 250-450 m deep crater.  The generally symmetrical volcano is modified by the sharp-peaked Ventorrillo on the NW, a remnant of an earlier volcano. 
At least three previous major cones were destroyed by gravitational failure during the Pleistocene, producing massive debris-avalanche deposits covering broad areas south of the volcano.  The modern volcano was constructed to the south of the late-Pleistocene to Holocene El Fraile cone.  Three major plinian eruptions, the most recent of which took place about 800 AD, have occurred from Popocatépetl since the mid Holocene, accompanied by pyroclastic flows and voluminous lahars that swept basins below the volcano.  Frequent historical eruptions, first recorded in Aztec codices, have occurred since precolumbian time.


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Source: GVP, Smithsonian Institution - Popocatepetl information


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