Popocatepetl volcano news & eruption update
Popocatépetl volcano Volcanic Ash Advisory: NEW VA EM
FVXX23 at 05:24 UTC, 11/12/18 from KNES
VA ADVISORY
DTG: 20181211/0521Z
VAAC: WASHINGTON
VOLCANO: POPOCATEPETL
341090
PSN: N1901 W09837
AREA: MEXICO
SUMMIT ELEV: 17802 FT [5426
M]
ADVISORY NR: 2018/565
INFO SOURCE: GOES-EAST. VOLCANO WEB CAMERA.
NWP
MODELS. CIMSS VOLCAT.
ERUPTION DETAILS: NEW VA EM
OBS VA DTG:
11/0507Z
OBS VA CLD: SFC/FL220 N1910 W09825 - N1904 W09820
- N1901
W09835 - N1902 W09837 - N1910 W09825 MOV
NE 5-10KT
FCST VA CLD +6HR:
11/1100Z SFC/FL220 N1909 W09823
- N1904 W09820 - N1901 W09834 - N1903
W09836 -
N1909 W09823
FCST VA CLD +12HR: 11/1700Z SFC/FL220 NO ASH
EXP
FCST VA CLD +18HR: 11/2300Z NO ASH EXP
RMK: NEW VA EM SEEN IN STLT
MOV ENE AWAY FM
SUMMIT. MODELS INDICATE A MOR WESTERLY WIND DIR
THRU
T+6 HRS. ...KIM
NXT ADVISORY: WILL BE ISSUED BY 20181211/1115Z
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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