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Satellite images of Popocatepetl volcano (c)Google Earth View
Satellite images of Popocatepetl volcano (c)Google Earth View
Popocatépetl volcano
Stratovolcano 5426 m / 17,802 ft
Central Mexico, 19.02°N / -98.62°W
Current status: erupting (4 out of 5)
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Popocatépetl volcano eruptions:
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:
Dominantly explosive, construction of lava domes. Plinian eruptions at intervals of several centuries or few thousands of years, vulcanian and strombolian activity in intermittent phases.
Last earthquakes nearby
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Popocatepetl volcano news & eruption update

Popocatepetl volcano (Central Mexico) activity update

Wednesday Dec 26, 2012 10:40 AM | BY: T

Crater glow from Popo this morning
Crater glow from Popo this morning
SO2 plume from Popocatépetl on 25 Dec 2012 (NOAA)
SO2 plume from Popocatépetl on 25 Dec 2012 (NOAA)
Current seismogram from Popocatepetl (CENAPRED)
Current seismogram from Popocatepetl (CENAPRED)
During 24-25 Dec, the number of emission (72) has risen again to about 3 per hour, and some of them were moderate in size and produced small ash plumes.
Some of the larger events were at 11:00 h, 16:18 h, and 18:12 h local time on 24 Dec, and at 08:49 on 25 Dec. A constant emission of steam and gas drifting eastwards is visible, and the latest satellite image shows a significant content of SO2 in the plume.
Glow remains well visible at night, and the seismic signal seems to show some weak tremor.
Previous news
Filament on overnight crater 22 to 23 December
Monday, Dec 24, 2012
In the last 24 hours during 22-23 Dec, the number of emissions was 45, about 2 per hour, with several ones being comparably larger than during most of the past weeks. Ash emissions occurred yesterday at 17:17 h reaching a height of about 1 km above the crater of the volcano and drifting towards the northeast, another one at 17:42 h with a height of 2.5 km, and a third one at 17:49 h. ... [more]
Emission at 08:43 h this morning
Friday, Dec 21, 2012
77 exhalations of low to moderate intensity occurred during 20-21 Dec, accompanied by emissions of steam and gas, and in some cases small amounts of ash. The most important was occurred today at 08:43 h and produced a column of gas and ash that rose 2 km above the crater and was also alerted of by VAAC Washington. [more]
Thursday, Dec 20, 2012
After increasing to 5 weak steam and sometimes ash emissions per hour during 17-18 Dec, the rate has dropped to about 3 per hour during 18-19 Dec. Glow remains visible at night. [more]
Thursday, Dec 20, 2012
After increasing to 5 weak steam and sometimes ash emissions per hour during 17-18 Dec, the rate has dropped to about 3 per hour during 18-19 Dec. Glow remains visible at night. [more]
Popo's steam and gas column this morning
Tuesday, Dec 18, 2012
The number of weak emissions has further increased; there were 121 events, i.e. about 4 per hour. Most produced only puffs of steam and gas, and in some cases very small amounts of ash. Other monitoring parameters remain unchanged. During the night glow was observed in the crater. In the morning, a steam and gas plume was seen rising about 800 meters above the crater and drifting to the southeast. [more]

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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