Popocatepetl volcano news & eruption update
Popocatépetl Volcano Volcanic Ash Advisory: CONTG VA EMS. to 20000 ft (6100 m)
The full report is as follows:
FVXX21 at 07:44 UTC, 07/02/21 from KNES
VA ADVISORY
DTG: 20210207/0742Z
VAAC: WASHINGTON
VOLCANO: POPOCATEPETL 341090
PSN: N1901 W09837
AREA: MEXICO
SUMMIT ELEV: 17802 FT [5426 M]
ADVISORY NR: 2021/152
INFO SOURCE: GOES-16. NWP MODELS. VOLCAT.
ERUPTION DETAILS: CONTG VA EMS.
OBS VA DTG: 07/0731Z
OBS VA CLD: SFC/FL200 N1908 W09725 - N1850 W09725
- N1850 W09746 - N1907 W09745 - N1908 W09725 MOV
E 10KT SFC/FL200 N1904 W09837 - N1858 W09823 -
N1852 W09830 - N1901 W09838 - N1904 W09837 MOV SE
10KT
FCST VA CLD +6HR: 07/1330Z SFC/FL200 N1937 W09727
- N1920 W09721 - N1859 W09837 - N1902 W09838 -
N1937 W09727
FCST VA CLD +12HR: 07/1930Z SFC/FL200 N2001
W09800 - N1952 W09744 - N1900 W09835 - N1903
W09837 - N2001 W09800
FCST VA CLD +18HR: 08/0130Z SFC/FL200 N2005
W09830 - N2004 W09814 - N1900 W09835 - N1901
W09838 - N2005 W09830
RMK: REMNANT VA OBS MOV E 65 NM E OF SUMMIT. NEW
VA EM OBS MOV SE EXT 10 NM FM SUMMIT. OBS VA FL
BASED ON VOLCAT AND NWP MDLS. FL MVMT EXP TO TURN
T N THRU T+18 HRS. ...CLARK
NXT ADVISORY: WILL BE ISSUED BY 20210207/1345Z
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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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