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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.
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Popocatepetl volcano news & eruption update

Popocatépetl volcano (Mexico): elevated number of emissions, small explosions, seismic swarm

Thursday Nov 15, 2012 07:35 AM | BY: T

SO2 plume from Popocatépetl on 14 Nov 2012 (NOAA)
SO2 plume from Popocatépetl on 14 Nov 2012 (NOAA)
Current seismogram from Popocatépetl  (CENAPRED)
Current seismogram from Popocatépetl (CENAPRED)
Activity remains elevated (compared to previous weeks) with frequent (141 during 13-14 Nov)emissions, mainly of steam , but some with small ash plumes and ejection of incandescent material onto the upper crater area.
A strong SO2 emission signal indicates the continuing rise of fresh magma. At the moment, a seismic swarm seems to be occurring (which needs to be confirmed by CENAPRED), judging from the current seismogram.
Previous news
Glow from the crater during a small explosion this morning
Tuesday, Nov 13, 2012
The volcano continues to produce (mostly steam) emissions at increasing frequency (120 during 11-12 Nov, 190 during 12-13 Nov), sometimes with small amounts of ash. The crater continues to glow at night. [more]
Emission at 7:57 am on November 11
Monday, Nov 12, 2012
During 10-11 Nov, there were 97 emissions of low and moderate intensity, sometimes producing small amounts of ash. Some of the most important occurred at 12:26 on 10 Nova and tat 06:18 h, at 07:56 h (see picture) and 11:05 h local time on 11 Nov. Explosions at 02:22 and 04:19 on 11 Nov ejected incandescent fragments near the crater. Additionally at 04:03 on 11 Nov, there was a low-magnitude volcano-tectonic quake. ... [more]
Ash emission at 6:10 pm local time on 10 Nov 2012
Sunday, Nov 11, 2012
During 9-10 Nov, there were 121 steam and sometimes ash emissions of low and moderate intensity. The most important occurred 9 Nov at 11:27 h, 13:20 h, 17:18 h, 18:34 h, 20:20 h and 23:45 h, and on 10 Nov at 00:43 h, 02:13 h, 6:10 h (see image), 07:19 h and 10:07 h (local time). ... [more]
SO2 plume from Popocatépetl on 9 Nov 2012 (NOAA)
Saturday, Nov 10, 2012
Activity remains essentially unchanged. The rate of steam and sometimes small ash emissions has dropped a bit with 32 events during 8-9 Nov. When not obscured by clouds, incandescence is visible at night and an impressive SO2 emission can be detected. [more]
SO2 plume from Popo on 8 Nov (NOOA)
Friday, Nov 09, 2012
In the last 24 h during 7-8 Nov, there were 62 emissions of low intensity, mostly of steam and gas. During the night glow was observed on the crater. A strong SO2 signal is visible on yesterday's NOOA satellite image. [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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