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Вулкан Popocatépetl: спорадические выбросы вулканического пепла

Сб, 4 сен 2021, 12:00
12:00 PM | ПЇЅПЇЅПЇЅПЇЅПЇЅ: VN
Слабая эруптивная активность вулкана продолжается. Консультативный центр по вулканическому пеплу (VAAC) Washington сообщил о периодических выбросах вулканического пепла.
Полный отчет выглядит следующим образом: INTMT VA EMS..

FVXX25 at 11:48 UTC, 04/09/21 from KNES
VA ADVISORY
DTG: 20210904/1145Z

VAAC: WASHINGTON

VOLCANO: POPOCATEPETL 341090
PSN: N1901 W09837

AREA: MEXICO

SUMMIT ELEV: 17802 FT [5426 M]

ADVISORY NR: 2021/523

INFO SOURCE: GOES-16. WEBCAM. NWP MODELS.
RADIOSONDE.

ERUPTION DETAILS: INTMT VA EMS.

OBS VA DTG: 04/1116Z

OBS VA CLD: SFC/FL200 N1910 W09842 - N1901 W09837
- N1859 W09838 - N1905 W09847 - N1910 W09842 MOV
NW 10KT

FCST VA CLD +6HR: 04/1730Z SFC/FL200 N1916 W09846
- N1902 W09836 - N1900 W09838 - N1905 W09855 -
N1916 W09846

FCST VA CLD +12HR: 04/2330Z NO VA EXP

FCST VA CLD +18HR: 05/0530Z NO VA EXP

RMK: VA EM OBSD BY STLT ARND 1020Z. ANOTHER VA EM
OBSD ON WEBCAM AT 1053Z THAT IS NOT SEEN BY STLT.
OBS VA MOVMT AGREES WITH 00Z MMMX RADIOSONDE AND
IS BASIS FOR FL. NWP MDLS FCST LTLCG IN WIDNS
THRU T+6HRS. ...HOSLEY

NXT ADVISORY: WILL BE ISSUED BY 20210904/1745Z

Предыдущие новости

Wed, 1 Sep 2021, 06:00

Popocatepetl volcano (Mexico) - Smithsonian / USGS Weekly Volcanic Activity Report for 1 September-7 September 2021 (Continuing Activity)

CENAPRED reported that each day during 31 August-7 September there were 66-102 steam-and-gas emissions from Popocatépetl. Cloudy weather often prevented views of the volcano. Crater incandescence was visible during the morning of 1 September and explosions were recorded at 2135, 2254, and 2345 later that same day. ... Read all
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Background:

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.


---


Source: GVP, Smithsonian Institution - Popocatepetl information


Satellite images of Popocatepetl volcano (c)Google Earth View
Satellite images of Popocatepetl volcano (c)Google Earth View
Popocatépetl вулкан
Стратовулкан 5426 m / 17,802 ft
Central Mexico, 19.02°N / -98.62°W
Текущее состояние: извергающийся (4 из 5) Popocatépetl Вулкан-извержения:
1345-47, 1354, 1363(?), 1488, 1504, 1509(?), 1512, 1518, 1519-23(?), 1528, 1530, 1539-40, 1542, 1548, 1571, 1580, 1590, 1592-94, 1642, 1663-65, 1666-67, 1697, 1720, 1802-04, 1827(?), 1834(?), 1852(?), 1919-22, 1923-24, 1925-27(?), 1933, 1942-43, 1947, 1994-95, 1996-2003, 2004-ongoing
Типичный извержения стиль
Dominantly explosive, construction of lava domes. Plinian eruptions at intervals of several centuries or few thousands of years, vulcanian and strombolian activity in intermittent phases.

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