The Volcano Adventure Guide: Excellent information and background for anyone wishing to visit active volcanoes safely and enjoyably. The book presents guidelines to visiting 42 different volcanoes around the world.
Popocatepetl is one of Mexico's most active volcanoes. After almost 50 years of dormancy, "Popo" came back to life in 1994 and has since then been producing powerful explosions at irregular intervals.
In the past centuries befor European invasions, large eruptions produced giant mud flows that have buried Atzteque settlements, even entire pyramids.
CENAPRED reported that during 8-10 May multiple gas-and-ash plumes rose 1.5 km above Popocatépetl's crater and drifted NE. Incandescent fragments ejected from the crater landed on the N and E flanks as far as 500 m away.
According to a news article an airport in Puebla was closed due to ash plumes on 8 and 10 May.
Seismicity increased on 11 May. Ash plumes rose 3 km above the crater and drifted NE and incandescent fragments ejected from the crater rolled 1 km down the flanks. Gas-and-ash plumes rose 2.5 km and drifted ENE.
On 12 May gas-and-ash plumes rose 4 km above the crater. Incandescent tephra was ejected 2 km above the crater and again rolled 1 km down the flanks. Ashfall was reported in most municipalities within the state of Tlaxcala (50 km NE of the volcano), in addition to smaller towns nearer to the volcano such as Santiago Xalitzintla (15 km NE) and San Nicolás de los Ranchos (16 km ENE). An airport in Puebla was again closed due to ash. During 13-15 May gas-and-ash plumes rose from the crater and drifted NE, and incandescent tephra was ejected from the crater. The Alert Level remained at Yellow Phase Three.
(Smithsonian / USGS Weekly Volcanic Activity Report)
Popocatépetl continues to produce ash and steam plumes and occasional explosions, as new magma rises to the summit crater to build up a new lava dome. At night, the dome is glowing brightly. ... [more]
Popocatépetl volcano continues to produce ash and steam eruptions several times a day, that generate plumes rising up to 1-2 km above the crater. A more powerful emission is in progress at the time of writing (see image). [more]
The weekly Smithsonian/USGS volcanic activity report summarizes the recent increase of Popocatépetl volcano as follows: ... [more]
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.
Volcano Calendar 2015: We're proud to present our new volcano calendar 2015: 13 different and attractive images of volcanoes, volcanic landscapes and phenomena taken during volcano tours over the past few years.
Dukono volcano photos: Dukono on Halmahera in Indonesia has been in permanent activity for years, often producing ash plumes that drift around the northern part of the island and have become normality.
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