Popocatepetl volcano news & eruption update
Popocatépetl volcano Volcanic Ash Advisory: ONGOING VA EM
Volcanic Ash Advisory Center Washington (VAAC) issued the following report:
FVXX21 at 05:44 UTC, 30/11/16 from KNES
VA ADVISORY
DTG: 20161130/0542Z
VAAC: WASHINGTON
VOLCANO: POPOCATEPETL
341090
PSN: N1901 W09837
AREA: MEXICO
SUMMIT ELEV: 17802 FT [5426
M]
ADVISORY NR: 2016/248
INFO SOURCE: GOES-EAST. GFS WINDS. VOLCANO
WEB
CAMERA.
ERUPTION DETAILS: ONGOING VA EM
OBS VA DTG: 30/0515Z
OBS VA
CLD: SFC/FL180 N1925 W09820 - N1919 W09810
- N1900 W09836 - N1902
W09840 - N1925 W09820 MOV
NE 20KT
FCST VA CLD +6HR: 30/1130Z SFC/FL180
N1931 W09815
- N1920 W09805 - N1859 W09835 - N1902 W09840 -
N1931
W09815
FCST VA CLD +12HR: 30/1730Z SFC/FL180 NO ASH EXP
FCST VA CLD
+18HR: 30/2330Z NO ASH EXP
RMK: T+0 CONFIDENCE HIGH. CONS LGT VA PLUME
EXTD
APRX 32NM NE OF SUMMIT AS SEEN IN STLT. EM ALSO
VISIBLE IN WEBCAM.
REMNANT ASH OVER GULF OF
MEXICO FROM EARLIER EM DISP. ...VELASCO
NXT
ADVISORY: WILL BE ISSUED BY 20161130/1145Z
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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
