The frequency of explosions has drastically dropped to only about one every 3-4 hours, but lava glow above the crater and strong SO2 emissions indicate that lava continues slowly to rise at the volcano and build up the lava dome in the crater.
Activity has not changed much during the past days. there are about 1-2 weak mostly steam explosions per hour, the larger of which produce small ash plumes. The volcano is emitting a strong steam and SO2 plume often visible on satellite. Night-time glow above the crater can be observed.
During the last 24 h, CENAPRED detected 44 weak to moderate explosions, mostly steam and gas emissions, with occasionally small amounts of ash. The most important occurred yesterday at 11:25 h and 22:57 h (see picture), and this morning at 00:14 h. Read all
Popo with glow from the summit seen early on 17 Aug (CENAPRED)
Between 16-17 Sep, the frequency of small explosions peaked with 120 events, i.e. on average 5 per hour and has decreased to 60 during the past 24 hours as stated in the recent CENAPRED report this morning local time. The larger of the explosions produced small ash plumes. Constant glow above the crater is visible at night (s. image). Read all
A further increase of Popocatépetl's activity can be observed. CENAPRED in its latest report yesterday evening reported 79 weak to moderate explosions during 24 hours, i.e. 3 time more than the day before. Some of them produced ash plumes rising a few 100 m such as the explosions at 12:14 h and 14:02 h local time on 15 Sep. No ash fall was reported from nearby villages. Read all
A slight increase of activity can be noted at Popocatépetl volcano. In the latest report from 15 Sep, CENPRED reported 28 explosions during the past 24 hours, i.e. the frequency has more than doubled when compared to last week. Read all
Popo with glow from the summit seen early on 14 Sep (CENAPRED)
Weak steam and sometimes ash explosions continue about every 2-3 hours. Otherwise, a strong steam plume is being emitted and satellite imagery show that there is still a lot of SO2 production from the volcano. At night, glow from the crater is visible, suggesting that the lava dome continues to grow slowly.
10 weak explosions were registered during the past 24 hours, but it was not possible to see whether they contained ash. The largest were at 20:01h, 20:42h yesterday and this morning at 10:39h local time. CENAPRED also recorded weak tremor pulses and some small quakes are visible on the current seismogram.
The number of weak steam explosions has increased to slightly more than one per hour again, but direct observations were not possible due to cloud cover. NOAA's satellite images show a significant SO2 plume from the volcano as usual.
Activity has remained stable with about 1 weak mostly steam explosion per hour. The crater is weakly glowing at night suggesting that slow growth of the lava dome continues. A significant SO2 plume is being emitted.
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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