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Satellite images of Popocatepetl volcano (c)Google Earth View
Satellite images of Popocatepetl volcano (c)Google Earth View
Popocatépetl vulkaan
Stratovulkaan 5426 m / 17,802 ft
Central Mexico, 19.02°N / -98.62°W
Current status: losbarstend (4 out of 5)
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Popocatépetl vulkaanuitbarstingen:
1345-47, 1354, 1363(?), 1488, 1504, 1509(?), 1512, 1518, 1519-23(?), 1528, 1530, 1539-40, 1542, 1548, 1571, 1580, 1590, 1592-94, 1642, 1663-65, 1666-67, 1697, 1720, 1802-04, 1827(?), 1834(?), 1852(?), 1919-22, 1923-24, 1925-27(?), 1933, 1942-43, 1947, 1994-95, 1996-2003, 2004-ongoing
Typical eruption style:
Dominant explosieve, bouw van lavakoepels. Pliniaanse uitbarstingen met tussenpozen van enkele eeuwen of enkele duizenden jaren vulkanische en Stromboli activiteit in intermitterende fasen.
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Popocatepetl volcano news & eruption update

Popocatépetl volcano (Central Mexico) activity update: strong degassing, ash explosions, growing lava dome

Wednesday May 15, 2013 14:34 PM | DOOR: T

Aerial view of the growing lava dome in Popo's crater (CENAPRED)
Aerial view of the growing lava dome in Popo's crater (CENAPRED)
Current view of Popo from the south
Current view of Popo from the south
Current seismic recording from Popocatépetl
Current seismic recording from Popocatépetl
Activity remains elevated as new magma continues to rise to the summit at increased rate. The volcano produces intense steaming and occasional explosions that generate steam and ash plumes up to 3 km height and throw incandescent blocks to distances of 700 m. Phases of moderate continuous tremor and several volcano-tectonic earthquakes up to magnitudes 2 accompany this process. Authorities are starting preparations for evacuations should it further increase.
CENAPRED made an aerial survey flight yesterday morning and observed that the lava dome has grown significantly and is now 350 m in diameter and 50 m thick.
After an explosion at 9:56 (local time 14 May), it could be seen that the dome had slightly deflated, although it did not diminish considerably in volume. This event might represent the beginning of the dome´s destruction.
CENAPRED maintains volcanic alert level "YELLOW Phase 3". In past years, this type of activity often lead to one of the following likely scenarios: intermediate to high scale explosive activity, dome growth and possible lava emission; explosions of growing intensity, occurrence of pyroclastic flows, and notorious ash fall on the closer villages and in lesser amounts in the more remote places, depending on the wind direction.
(CENAPRED)
Vorig nieuws
Current seismic recording from Popocatépetl
Tuesday, May 14, 2013
Activity has been lower today with lesser earthquakes and intermittent emissions. [meer...]
Current seismic recording from Popocatépetl
Monday, May 13, 2013
Activity at the volcano continues to increase. A relatively long phase of strong volcanic tremor today and high levels of SO2 output suggests that the rise of magma is accelerating. A continuous plume of steam and some ash was observed last night reaching 1 km high, in addition to intermittent explosions. Lava glow at night is now strong. [meer...]
Current seismic recording from Popocatépetl
Sunday, May 12, 2013
The activity continued to increase over the past days and CENAPRED raised the alert level to Yellow Phase 3 this morning. The volcano has been producing frequent sequences of continuous steam and ash emissions as well as discrete vulcanian-type explosions that throw glowing bombs to several hundred meters distance from the crater and create ash plumes up to about 2 km high. ... [meer...]
Friday, May 10, 2013
On 9 May, 28 explosions were noted from the volcano, the largest were at 05:16 and 07:01 am. Incandescence was seen at night. Several periods of harmonic tremor were noted in the reporting period. A gas and steam plume drifted SE. [meer...]
Explosion from Popocatépetl this night
Wednesday, May 08, 2013
A significant increase in activity occurred at the volcano. Starting at 19:28 h local time yesterday, volcanic tremor of high amplitude has been recorded for 3.5 hours and accompanied by strong steam and ash emissions creating an eruption column rising 3 km. Explosions ejected incandescent fragments to distances of 700 m from the crater. ... [meer...]

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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