Satellite images of Popocatepetl volcano (c)Google Earth View
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.
Popocatepetl volcano news & eruption update
Popocatépetl volcano Volcanic Ash Advisory: VA EM AROUND 08/1950Z
Чт, 8 сен 2016, 21:00
21:00 PM |
Satellite image of Popocatépetl volcano on 8 Sep 2016
Volcanic Ash Advisory Center Washington (VAAC) issued the following report:
FVXX21 at 20:37 UTC, 08/09/16 from KNES
VA ADVISORY
DTG: 20160908/2035Z
VAAC: WASHINGTON
VOLCANO: POPOCATEPETL
341090
PSN: N1901 W09837
AREA: MEXICO
SUMMIT ELEV: 17802 FT [5426
M]
ADVISORY NR: 2016/211
INFO SOURCE: GOES-EAST. MEXICO CITY
MWO.
RADIOSONDE. GFS WINDS. ABBA.
ERUPTION DETAILS: VA EM AROUND
08/1950Z
OBS VA DTG: 08/2025Z
OBS VA CLD: VA NOT IDENTIFIABLE FROM
SATELLITE
DATA WINDS SFC/FL240 045/10-15KT
FCST VA CLD +6HR: 09/0230Z
FCST VA CLD +12HR: 09/0830Z
FCST VA CLD +18HR: 09/1430Z
RMK: VA EM
RPRT RECEIVED FROM MEXICO CITY MWO
HOWEVER VA NOT SEEN IN STLT IMAGERY
DUE TO WX
CLDS. ...FISHER/WHISNANT
NXT ADVISORY: WILL BE ISSUED BY
20160909/0230Z
Предыдущие новости
Активности вулкана была практически неизменным за прошедшую неделю. В среднем 2-4 взрывы происходят ежедневно - главным образом малых событий с перьями меньше чем 1 км Талль - и около 50-100 импульсов пара выбросов («выдохов»).
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Пик активности произошла 31 июля - 1 августа, генерации Стромболианская частые и сильные взрывы, которые отправлены многих светящихся бомбы вне кратера и генерируется пепла шлейф, которая достигла высоты 6000 м и дрейфовал северо-запад, вызывая пепел падает в ветру областях таких как город Ozumba на западном склоне вулканического массива.
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Деятельность на вулкан оставался практически неизменным и на прошлой неделе была довольно низкой. В среднем Реферат записал 100-200 низкой энергии выбросов («выдохов») и несколько, обычно слабые взрывы с выбросы пепла, сопровождении прерывистый фазы слабый тремор.
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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.
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Source: GVP, Smithsonian Institution - Popocatepetl information
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