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Volcanic activity worldwide 3 Dec 2014: Fuego volcano, Momotombo, Fogo, Santiaguito, Reventador, Aso, Copahue

Wednesday Dec 03, 2014 17:37 PM |

Lava flow in Portela village 3 Dec
Lava flow in Portela village 3 Dec
Ash emission from Aso this morning
Ash emission from Aso this morning
Strong eruption at Fuego volcano in Guatemala last night
Strong eruption at Fuego volcano in Guatemala last night
Today's earthquakes under Momotombo volcano
Today's earthquakes under Momotombo volcano
Glow from Reventador's summit this morning
Glow from Reventador's summit this morning
Ash emission from Copahue this morning
Ash emission from Copahue this morning
Fogo (Cape Verde): The eruption continues. Lava flows have slowed down their advance to less than 1 m per hour, giving some time to breath for what is left at Portela village in Chã das Caldeiras.
So far, the lava flows have destroyed approx. 50% of the village, including the headquarters of the Parque Natural do Fogo, a school, hotel, various agricultural buildings and a significant area of the farmland.
... [read more]

Aso (Kyushu): After some days of relative calm, intermittent ash emissions resumed from the Nakadake crater yesterday.

Santiaguito (Guatemala): INSIVUMEH reports that the lava flow on the southeastern side remains active, and has been advancing at approx. 3 meters per day.
Weak explosions continue to occur from the Caliente lava dome, with ash plumes rising up to 5-600 m.

Fuego (Guatemala): Explosive activity has been relatively high recently with up to 6-8 explosions per hour. Some of them covered the whole upper cone with incandescent bombs and their shock waves are reported to be felt or heard in up to 30 km distance. Ash plumes rose to up to 5 km altitude, i.e. 1,400 m above the crater.
Time-lapse of activity during the past 5 days:


Momotombo (Nicaragua): The volcano remains restless. A small earthquake swarm started this morning under the northern flank of the volcano.
The earthquakes are small (below mag. 3) and located at 5-10 km depth.

Reventador (Ecuador): Activity remains similar to the past months at moderate, but fluctuating levels. A more intense phase seems to be going on at the moment, as bright glow has been visible at the summit since yesterday night.
A cake-like viscous lava dome is slowly growing at the summit crater and produces occasional incandescent avalanches and rockfalls. During phases of more intense activity such as around mid-late November, regular small to moderate explosions, occasional pyroclastic flows and short-lived lava flows occur (last on 20 Nov).

Copahue (Chile/Argentina): The volcano continues to produce steam and ash emissions of varying intensity. Phases of hour-long continuous ash emissions have become more frequent recently and incandescence is often visible from the El Agrio crater at night:

SERNAGEOMIN keeps the alert level at yellow.

Volcano Activity Summary for 3 Dec 2014:

Currently erupting:

Ambrym (Vanuatu): active lava lakes in several craters (updated 14 Aug 2013)
Aso (Kyushu): intermittent moderate to strong ash emissions (updated 3 Dec 2014)
Bagana (Bougainville Island, Papua New Guinea): ash emissions, lava dome growth (updated 10 Nov 2014)
Bardarbunga (Iceland): lava lake, sporadic fountains, lava flow (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 30 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 3 Dec 2014)
Fuego (Guatemala): strombolian explosions from summit crater, intermittent lava flows (updated 3 Dec 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)
Nyamuragira (DRCongo): active lava lake (updated 29 Nov 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)
Raung (East Java): mild strombolian activity in summit crater (updated 2 Dec 2014)
Reventador (Ecuador): growing lava dome, occasional explosions and pyroclastic flows (updated 3 Dec 2014)
Sakurajima (Kyushu, Japan): ash venting, intermittent explosions (updated 30 Nov 2014)
Sangeang Api (Indonesia): growing lava dome & lava flow (updated 7 Jul 2014)
Santiaguito (Guatemala): generation of hot lahars (updated 3 Dec 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 30 Nov 2014)

Eruption warning / minor activity:

Augustine (Cook Inlet (SW Alaska))
Bezymianny (Central Kamchatka Depression): steaming, weak seismic activity (updated 3 Jul 2014)
Chirpoi (Kurile Islands, Russia): hot spot visible on satellite imagery (updated 2 Dec 2014)
Copahue (Chile/Argentina): degassing, crater glow, occasional ash emissions (updated 3 Dec 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)
Nevado del Ruiz (Colombia): degassing, occasional ash emissions (updated 2 Dec 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)
Rincón de la Vieja (Costa Rica): phreatic explosions from crater lake (updated 21 Sep 2014)
Sabancaya (Peru): steaming, elevated seismic activity (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)

Vorig nieuws
Snapshot from embedded video showing the boiling lava lake at the vent in Holuhraun
Tuesday, Dec 02, 2014
Bardarbunga (Iceland): The eruption continues at similar intensity as during the past weeks. It also continues to produce spectacular images and videos such as this one from an overflight in late November: ... [meer...]
The eruptive vents at Fogo this morning (MuzikaTV)
Sunday, Nov 30, 2014
Fogo (Cape Verde): Although explosive activity has decreased at the vents, it seems that lava effusion picked up. The advance of some of the lava flow fronts in Portela village picked up again this morning, reaching 20 meters per hour. Local sources mention that seismic activity also increased. ... [meer...]

Saturday, Nov 29, 2014
Bardarbunga (Iceland): These two images were posted on the twitter account of the University of Iceland after their recent field expedition. As the lava field continues to expand, new branches of red hot rivers reach its edge and cascade down on the sandy plain below in a spectacular ‘water’fall of glowing lava. Scientists report that by now the Holuhraun lava field covers almost 75 square kilometres which represents an area bigger than the Reykjavik metropolitan area. ... [meer...]
Screenshot of eruption video showing the two active vents at Fogo
Friday, Nov 28, 2014
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. ... [meer...]

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