Popocatepetl volcano news & eruption update
Popocatépetl Volcano Volcanic Ash Advisory: NEW VA EMS. to 19000 ft (5800 m)
The full report is as follows:
FVXX21 at 11:59 UTC, 23/01/21 from KNES
VA ADVISORY
DTG: 20210123/1155Z
VAAC: WASHINGTON
VOLCANO: POPOCATEPETL 341090
PSN: N1901 W09837
AREA: MEXICO
SUMMIT ELEV: 17802 FT [5426 M]
ADVISORY NR: 2021/102
INFO SOURCE: GOES-16. WEBCAM. NWP MODELS.
ERUPTION DETAILS: NEW VA EMS.
OBS VA DTG: 23/1100Z
OBS VA CLD: SFC/FL190 N1934 W09820 - N1857 W09834
- N1901 W09841 - N1934 W09851 - N1934 W09820 MOV
N 10KT
FCST VA CLD +6HR: 23/1700Z SFC/FL190 N1935 W09843
- N1926 W09816 - N1901 W09834 - N1900 W09843 -
N1935 W09843
FCST VA CLD +12HR: 23/2300Z NO VA EXP
FCST VA CLD +18HR: 24/0500Z NO VA EXP
RMK: SMALL VA PUFF NOTED IN VOLCAT PROD AS WELL
AS WEB CAM. VA MOV TO N OF SUMMIT. ...LEE
NXT ADVISORY: WILL BE ISSUED BY 20210123/1800Z
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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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