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Popocatépetl volcano (Mexico) activity update: 3 volcano-tectonic earthquakes recorded

Mi, 5. Feb 2020, 10:08
10:08 AM | VON: MARTIN
Eruption of Popocatépetl volcano (image: CENAPRED)
Eruption of Popocatépetl volcano (image: CENAPRED)
CENAPRED recorded 3 volcano-tectonic earthquakes at 20:48 and 20:50 local time yesterday, at 03:26 local time today with magnitude M 2.7, 1.7 and 1.7. Additionally recorded 97 minutes of tremor and 104 emissions of water vapor, gases and light ash content.
The plumes were drifted towards the east-northeast direction.
Source: Centro Nacional de Prevención de Desastres volcano activity update 5 February 2020

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Mi, 5. Feb 2020, 06:00
CENAPRED reported that each day during 5-11 February there were 57-154 steam-and-gas emissions from Popocatépetl, some of which contained minor amounts of ash. An explosion at 1754 on 5 February produced an ash plume that rose 1.5 km above the crater rim and drifted NNE. A minor explosion at 0029 on 9 February ejected incandescent material onto the flanks. ... Read all
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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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