Popocatepetl volcano news & eruption update

Обновленный: 26 сен 2021 11:13 GMT

Popocatépetl volcano Volcanic Ash Advisory: NEW VA EMS OBS IN STLT IMAGERY

Sun, 5 Nov 2017, 17:45
17:45 PM |
Volcanic Ash Advisory Center Washington (VAAC) issued the following report:

FVXX21 at 17:43 UTC, 05/11/17 from KNES
VA ADVISORY
DTG: 20171105/1741Z

VAAC: WASHINGTON

VOLCANO: POPOCATEPETL
341090
PSN: N1901 W09837

AREA: MEXICO

SUMMIT ELEV: 17802 FT [5426
M]

ADVISORY NR: 2017/160

INFO SOURCE: GOES-EAST. NON-OPERATIONAL
GOES-16.
NWP MODELS. VOLCANO WEB CAMERA.

ERUPTION DETAILS: NEW VA EMS
OBS IN STLT IMAGERY
AND WEBCAMERA

OBS VA DTG: 05/1730Z

OBS VA CLD:
SFC/FL190 N1905 W09838 - N1902 W09836
- N1856 W09851 - N1901 W09853 -
N1905 W09838 MOV
SW 15-20KT

FCST VA CLD +6HR: 05/2330Z SFC/FL190 N1905
W09837
- N1902 W09836 - N1853 W09856 - N1901 W09900 -
N1905 W09837

FCST
VA CLD +12HR: 06/0530Z SFC/FL190 N1905
W09837 - N1902 W09836 - N1850
W09901 - N1900
W09905 - N1905 W09837

FCST VA CLD +18HR: 06/1130Z
SFC/FL190 N1905
W09837 - N1902 W09835 - N1847 W09907 - N1859
W09911 -
N1905 W09837

RMK: NEW VA EMS OBS MOV SW IN STLT IMAGERY.
PREVIOUS EMS
NOT IDENTIFIABLE IN STLT IMAGERY.
WEBCAM SHOWS BURSTS OF VA AND STEAM.
NWP MODELS
SHOW CONSISTENT WINDS OUT OF THE NE. ...FISHER

NXT ADVISORY:
WILL BE ISSUED BY 20171105/2345Z

Предыдущие новости

Background:

Обновленный: 26 сен 2021 11:13 GMT

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.


---


Source: GVP, Smithsonian Institution - Popocatepetl information


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