Popocatepetl volcano news & eruption update
Popocatépetl volcano Volcanic Ash Advisory: NEW EMS AT 21/0715Z
FVXX20 at 07:37 UTC, 21/11/17 from KNES
VOLCANO: POPOCATEPETL 341090
PSN: N1901 W09837
SUMMIT ELEV: 17802 FT [5426 M]
ADVISORY NR: 2017/221
INFO SOURCE: NON-OPERATIONAL GOES-16. MEXICO CITY
MWO. NWP MODELS.
ERUPTION DETAILS: NEW EMS AT 21/0715Z
OBS VA DTG: 21/0722Z
OBS VA CLD: SFC/FL250 N1855 W09833 - N1844 W09831
- N1843 W09838 - N1853 W09840 - N1855 W09833 MOV
FCST VA CLD +6HR: 21/1330Z SFC/FL250 NO ASH EXP
FCST VA CLD +12HR: 21/1930Z NO ASH EXP
FCST VA CLD +18HR: 22/0130Z NO ASH EXP
RMK: IMAGERY SHOWS NEW VA EMS MOVING S. PREVIOUS
EMS HAVE DISSIPATPED. THIS EMS EXPECTED TO
DISSIPATE WITHIN 6 HRS BUT ADDITIONAL EMS ARE
NXT ADVISORY: WILL BE ISSUED BY 20171121/1330Z
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.