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Popocatépetl Vulkan: sporadische Ausstöße von Vulkanasche

Do, 29. Aug 2019, 02:15
02:15 AM | VON: VN
Schwache bis mittlere explosive Tätigeit des Vulkans hält mit Unterbrechnungen an. Das Zentrum für Vulkanaschewarnungen (Volcanic Ash Advisory Center, VAAC) in Washington meldet sporadische Auswürfe von Vulkanasche.
Hier der originale Bericht: INTMT VA EMS..

FVXX24 at 01:59 UTC, 29/08/19 from KNES
VA ADVISORY
DTG: 20190829/0156Z

VAAC: WASHINGTON

VOLCANO: POPOCATEPETL 341090
PSN: N1901 W09837

AREA: MEXICO

SUMMIT ELEV: 17802 FT [5426 M]

ADVISORY NR: 2019/773

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

ERUPTION DETAILS: INTMT VA EMS.

OBS VA DTG: 29/0141Z

OBS VA CLD: SFC/FL220 N1901 W09837 - N1900 W09836
- N1855 W09843 - N1900 W09846 - N1901 W09837 MOV
SW 15-20KT

FCST VA CLD +6HR: 29/0730Z SFC/FL220 N1901 W09837
- N1900 W09835 - N1849 W09857 - N1857 W09901 -
N1901 W09837

FCST VA CLD +12HR: 29/1330Z SFC/FL220 N1901
W09837 - N1900 W09837 - N1850 W09902 - N1859
W09904 - N1901 W09837

FCST VA CLD +18HR: 29/1930Z SFC/FL220 N1905
W09904 - N1901 W09837 - N1900 W09837 - N1855
W09904 - N1905 W09904

RMK: VA EMS OBS TO 7 NMI SW OF SUMMIT. EARLIER WX
CLD OBSC SUMMIT BUT HAS MOVD W AND COULD BE OBSCG
VA CLDS. NWP MDLS FCST VA TO BEGIN MOVG WSW BY
T+6 THEN W BY T+18. ...HOSLEY

NXT ADVISORY: WILL BE ISSUED BY 20190829/0800Z

Vorherige Nachrichten

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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