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Volcanic activity worldwide 28 Nov 2014: Aso volcano, Fogo, Zhupanovsky

vendredi nov. 28, 2014 21:01 |

Screenshot of eruption video showing the two active vents at Fogo
Screenshot of eruption video showing the two active vents at Fogo
Eruption at Aso volcano Wednesday (Kumamoto university webcam)
Eruption at Aso volcano Wednesday (Kumamoto university webcam)
Fogo (Cape Verde): Activity, after having slowed down a bit yesterday, picked up again this morning, as a new vent opened above the eruption fissure.
Lava fountaining and associated lava effusion mainly occur from the lower vent, while the upper one shows strombolian explosions, strong degassing and ash emissions. As typical for flank eruptions, eruptive activity has by now concentrated to and continues from two vents (as compared to 6 active ones on the first day):
... [read more]

Zhupanovsky (Kamchatka, Russia): A moderately strong ash emission occurred this morning. A plume at 20,000 ft (6 km) drifted east. Weaker ash venting continued afterwards. (Tokyo VAAC).

Aso (Kyushu): Activity at the volcano picked up and went through an intense phase of strong, continuous ash emissions Wednesday. An ash plume rose to approx. 3 km altitude, according to Tokyo VAAC.
A video showed incandescent ash-rich fountains from the crater, confirming that new magma has arrived there, i.e. a new magmatic eruption has formally started at the volcano:
... [read more]

Volcano Activity Summary for 28 Nov 2014:

Currently erupting:

Ambrym (Vanuatu): active lava lakes in several craters (updated 14 Aug 2013)
Aso (Kyushu): intermittent moderate to strong ash emissions (updated 28 Nov 2014)
Bagana (Bougainville Island, Papua New Guinea): ash emissions, lava dome growth (updated 10 Nov 2014)
Bardarbunga (Iceland): Ongoing lava fountain from Baugur crater, subsidence of Bárðarbunga caldera and seismic activity (updated 18 Sep 2014)
Barren Island (Indian Ocean): intermittent activity, likely strombolian-type and/or lava flows (updated 4 Feb 2014)
Batu Tara (Sunda Islands, Indonesia): strombolian explosions, ash plumes up to 500 m, extrusion of a small lava dome with rockfalls (updated 4 Nov 2014)
Colima (Western Mexico): new lava flow on SW flank (updated 22 Nov 2014)
Dukono (Halmahera): thermal anomaly, probably small explosive activity in summit crater (updated 25 Nov 2014)
Erebus (Antarctica): active lava lake in summit crater (updated 21 Jan 2012)
Erta Ale (Ethiopia): active lava lake in northern pit crater, active hornito with intermittend flow in southern crater (updated 11 Jan 2013)
Fogo (Cape Verde): lava fountaining (updated 28 Nov 2014)
Fuego (Guatemala): strombolian explosions from summit crater, intermittent lava flows (updated 14 Nov 2014)
Ibu (Halmahera, Indonesia): stromolian and phreatomagmatic explosions (updated 14 Nov 2014)
Karymsky (Kamchatka): occasional small explosions, thermal anomaly (updated 4 Oct 2014)
Kilauea (Hawai'i): new lava flow from vents on NE flank of Pu'u 'O'o (updated 13 Aug 2013)
Manam (Papua New Guinea): degassing, occasional ash venting (updated 28 Aug 2013)
Marapi (Western Sumatra, Indonesia): sporadic explosions (updated 27 Mar 2014)
Nasu (Honshu)
Nishino-shima (Volcano Islands, Japan): growing island (updated 11 Oct 2014)
Nyiragongo (DRCongo): active lava lake in summit crater (updated 26 Feb 2014)
Ol Doinyo Lengai (Tanzania): effusion of natrocarbonatite lava inside the crater (updated 8 Jul 2013)
Poas (Costa Rica): phreatic explosions (updated 14 Oct 2014)
Rabaul (Tavurvur) (New Britain, Papua New Guinea): lava fountains, ash emissions from Tavurvur cone (updated 12 Sep 2014)
Reventador (Ecuador): new lava flow on upper NW flank (updated 22 Nov 2014)
Sakurajima (Kyushu, Japan): ash venting, intermittent explosions (updated 5 Nov 2014)
Sangeang Api (Indonesia): growing lava dome & lava flow (updated 7 Jul 2014)
Santiaguito (Guatemala): generation of hot lahars (updated 14 Nov 2014)
Semeru (East Java, Indonesia): growing lava dome, lava flow, strombolian activity (updated 26 Nov 2014)
Shishaldin (United States, Aleutian Islands): mild explosive activity, intermittent more intense phases (updated 24 Nov 2014)
Shiveluch (Kamchatka): growing lava dome, incandescent avalanches, occasional explosions (updated 25 Nov 2014)
Sinabung (Sumatra, Indonesia): continuing pyroclastic flows (updated 19 Nov 2014)
Slamet (Central Java): intense strombolian explosions (updated 13 Sep 2014)
Stromboli (Eolian Islands, Italy): weak strombolian activity at summit vents (updated 22 Nov 2014)
Suwanose-jima (Ryukyu Islands): strombolian activity in summit crater (updated 14 Nov 2014)
Tungurahua (Ecuador): moderate to strong strombolian explosions from central crater (updated 25 Sep 2014)
Turrialba (Costa Rica): occasional ash emissions (updated 17 Nov 2014)
Ubinas (Peru): degassing, sporadic small explosions and ash venting (updated 11 Sep 2014)
Yasur (Tanna Island, Vanuatu): ash emissions, weak strombolian explosions (updated 14 Aug 2013)
Zhupanovsky (Kamchatka, Russia): degassing, last eruption ended mid Oct 2014 (updated 28 Nov 2014)

Eruption warning / minor activity:

Augustine (Cook Inlet (SW Alaska))
Bezymianny (Central Kamchatka Depression): steaming, weak seismic activity (updated 3 Jul 2014)
Copahue (Chile/Argentina): degassing, crater glow, occasional ash emissions (updated 19 Nov 2014)
Etna (Sicily, Italy): sporadic weak ash emissions from New SE crater (updated 19 Apr 2014)
Heard (Australia, Southern Indian Ocean): possibly lava lake in summit crater (updated 27 May 2014)
Karangetang (Siau Island, Sangihe Islands, Indonesia): incandescent lava dome (updated 24 Oct 2014)
Kavachi (Solomon Islands): no eruption since 2007 (updated 16 Jun 2014)
Kerinci (Sumatra): seismic unrest (updated 5 Jun 2013)
Kirishima (Kyushu): degassing, alert lowered (updated 25 Oct 2014)
Krakatau (Sunda Strait, Indonesia): degassing (updated 31 Mar 2014)
Kuchinoerabu-jima (Ryukyu Islands): explosion on 3 Aug 2014 (updated 21 Aug 2014)
Lokon-Empung (North Sulawesi, Indonesia): small explosions, lava flow? (updated 13 Sep 2014)
Mayon (Luzon Island): extrusion of viscous lava flow, warning of possible explosive eruption (updated 14 Nov 2014)
Medvezhia (Kurile Islands, Russia): strong steaming, thermal anomaly (updated 17 Jan 2013)
Monowai (Kermandec Islands, New Zealand): frequent submarine eruptions, last confirmed during Oct 2014 (updated 14 Nov 2014)
Nyamuragira (DRCongo): lava lake in summit crater (updated 4 Aug 2014)
Ontake-san (Honshu): strong phreatic (?) explosion on 27 Sep 2014 (updated 14 Nov 2014)
Pacaya (Guatemala): weak strombolian activity (updated 14 Nov 2014)
Papandayan (West Java): strong hydrothermal activity, increased seismicity (updated 6 May 2013)
Piton de la Fournaise (La Réunion): short-lived eruption during 21-22 June (updated 5 Nov 2014)
Popocatépetl (Central Mexico): degassing, sporadic explosions, slowly growing lava dome (updated 6 Nov 2014)
Rasshua (Central Kuriles)
Raung (East Java): strombolian activity in summit crater (updated 5 Aug 2013)
Rincón de la Vieja (Costa Rica): phreatic explosions from crater lake (updated 21 Sep 2014)
Sabancaya (Peru): Sabancaya volcano (Peru): phreatic eruption on 25 August (updated 10 Nov 2014)
Sacabaya (Northern Chile, Bolivia and Argentina)
San Cristobal (Nicaragua): possible ash emission on 11 April (updated 12 Apr 2014)
San Miguel (El Salvador): ash emissions, small explosions, increasing tremor (updated 2 Sep 2014)
Sangay (Ecuador): degassing (updated 24 May 2013)
Ulawun (New Britain, Papua New Guinea): degassing, ash venting (updated 5 Aug 2013)

Actualités précédentes
Explosive activity at the eruptive vents of Fogo on 25 Nov 2014 (MuzikaTV)
mercredi, nov. 26, 2014
Fogo (Cape Verde): (25 Nov) The eruption continues, but the situation is critical inside the Cha caldera. The northern lava flow branch has started to enter the village of Portela and today destroyed and/or damaged several buildings, including the headquarters of the Fogo Nature Park. ... [details]
Earthquakes and subsidence of the Bardarbunga caldera since 12 Sep (Icelandic Met Office)
mardi, nov. 25, 2014
Bardarbunga (Iceland): The eruption at Holuhraun continues strongly. The only apparent change is that during the past days, the intensity of lava output seems to be less stable and fluctuating. ... [details]
Lava fountains and flow from the new eruption at Fogo (Fogonews)
lundi, nov. 24, 2014
Fogo (Cape Verde): The new eruption, so far small inside the Cha caldera, continues. It is taking place from a fissure with two closely spaced vents on the southwest side of the Pico de Fogo, very near to the 1995 eruption vents. ... [details]
dimanche, nov. 23, 2014
Fogo (Cape Verde): A new eruption started at the volcano this morning around 10:00 local time. The aviation alert was raised to red due to possible ash emissions that could harm aircraft in the area. ... [details]
Strombolian acttivity at the summit vents of Stromboli (INGV)
samedi, nov. 22, 2014
Stromboli (Eolian Islands, Italy): Lava effusion seems to have stopped completely since about a week ago. Small strombolian explosions continue to occur sporadically from vents in the northern and central crater terrace at the summit. ... [details]

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