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Popocatépetl Vulkan stößt Aschenwolke aus

Mi, 18. Aug 2021, 02:30
02:30 AM | VON: VN
Das Warnzentrum für Vulkanasche VAAC Washington brachte folgende Meldung heraus: VA EMS HAS DISP

Originaltext:
FVXX22 at 02:28 UTC, 18/08/21 from KNES
VA ADVISORY
DTG: 20210818/0225Z

VAAC: WASHINGTON

VOLCANO: POPOCATEPETL 341090
PSN: N1901 W09837

AREA: MEXICO

SUMMIT ELEV: 17802 FT [5426 M]

ADVISORY NR: 2021/522

INFO SOURCE: GOES-16. NWP MODELS. VOLCAT.

ERUPTION DETAILS: VA EMS HAS DISP

OBS VA DTG: 18/0211Z

OBS VA CLD: VA NOT IDENTIFIABLE FM STLT DATA

FCST VA CLD +6HR: 18/0800Z NO VA EXP

FCST VA CLD +12HR: 18/1400Z NO VA EXP

FCST VA CLD +18HR: 18/2000Z NO VA EXP

RMK: VA EMS HAS DISP IN STLT IMAGERY. NO NEW EMS
OBS. NO RPRTS OF NEW EMS. ...FISHER

NXT ADVISORY: NO FURTHER ADVISORIES

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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


Satellite images of Popocatepetl volcano (c)Google Earth View
Satellite images of Popocatepetl volcano (c)Google Earth View
Stratovolcano 5426 m / 17,802 ft
Central Mexico, 19.02°N / -98.62°W
Aktueller Status: Ausbruch (4 von 5) Ausbrüche des Popocatépetl:
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
Typische Aktivität
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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