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Volcanic activity worldwide 2 Dec 2015: Momotombo volcano, Etna

Mittwoch Dez 02, 2015 21:00 |

View from Montagnola towards Etna's New SE crater
View from Montagnola towards Etna's New SE crater
Lava fountains and ash plume from Momotombo volcano this morning (image: Canal6Nicaragua)
Lava fountains and ash plume from Momotombo volcano this morning (image: Canal6Nicaragua)
Momotombo webcam image this morning
Momotombo webcam image this morning
Etna (Sicily, Italy): It seems that a new episode of strombolian activity has started at the New SE crater a few hours ago.
Visibility is not very good, but bright glow and rising tremor suggest that a new eruptive phase is in progress.
A new pit crater had been observed on the upper eastern flank of the New SE cone, which had been degassing strongly. In the meanwhile, the strombolian activity inside Voragine had also continued during the past days, occasionally even strong enough to project bombs higher than the rim of the crater.

Momotombo (Nicaragua): As this morning's webcam images already had suggested, a new fully-blown magmatic eruption is now in progress at the volcano: pulsating lava fountains (or continuous, strong strombolian activity) feed a new lava flow that slowly descends on the NE side of the volcano, and a dense ash plume that rises approx. 2-2.5 km above the volcano and drifts NW.

...2 Dec:
It seems that the volcano continues to erupt and might have been intensifying its activity with now near-continuous explosions.
Bright glow, probably from hot ejecta, but perhaps even a lava flow can be seen be seen from the summit crater on the INETER webcam.

Volcano Activity Summary for 2 Dec 2015:

Currently erupting:

Ambrym (Vanuatu): active lava lakes in several craters (updated 24 May 2015)
Aso (Kyushu): steaming, occasional phreatomagmatic or strombolian explosions (updated 26 Oct 2015)
Bagana (Bougainville Island, Papua New Guinea): mild ash emissions (updated 26 Oct 2015)
Batu Tara (Sunda Islands, Indonesia): strombolian explosions, ash plumes up to 500 m, extrusion of a small lava dome with rockfalls (updated 28 Nov 2015)
Colima (Western Mexico): intermittent explosions from summit crater (updated 1 Dec 2015)
Copahue (Chile/Argentina): continuous ash emissions, crater glow (updated 1 Dec 2015)
Cotopaxi (Ecuador): vulcanian explosions (updated 16 Aug 2015)
Dukono (Halmahera): mild strombolian activity, continuous intense ash emissions (updated 17 Nov 2015)
Erebus (Antarctica): active lava lake in summit crater (updated 8 Dec 2014)
Erta Ale (Ethiopia): active lava lake in northern pit crater, active hornito with intermittend flow in southern crater (updated 21 Nov 2015)
Etna (Sicily, Italy): weak strombolian activity inside Voragine crater (updated 19 Apr 2014)
Fuego (Guatemala): lava flows on S and W flanks, lava fountaining from summit vent (updated 1 Dec 2015)
Ibu (Halmahera, Indonesia): stromolian and phreatomagmatic explosions (updated 29 Oct 2015)
Karangetang (Siau Island, Sangihe Islands, Indonesia): lava flow, incandescent avalanches (updated 15 Nov 2015)
Karymsky (Kamchatka): occasional small explosions, thermal anomaly (updated 21 Nov 2015)
Kilauea (Hawai'i): new lava flow from vents on NE flank of Pu'u 'O'o (updated 28 Apr 2015)
Kliuchevskoi (Kamchatka): ash emissions, weak strombolian activity (updated 11 May 2015)
Manam (Papua New Guinea): large explosion on 31 July 2015 (updated 31 Aug 2015)
Momotombo (Nicaragua): lava fountaining, ash emissions from summit crater (updated 2 Dec 2015)
Nevado del Ruiz (Colombia): intermittent ash emissions, strong degassing (updated 21 Sep 2015)
Nishino-shima (Volcano Islands, Japan): growing island (updated 21 Nov 2015)
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)
Pacaya (Guatemala): weak strombolian activity in summit crater (updated 10 Nov 2015)
Popocatépetl (Central Mexico): degassing, sporadic explosions, slowly growing lava dome (updated 18 Aug 2015)
Rabaul (Tavurvur) (New Britain, Papua New Guinea): lava fountains, ash emissions from Tavurvur cone (updated 12 Sep 2014)
Reventador (Ecuador): lava flow on SW flank (updated 17 Aug 2015)
Sakurajima (Kyushu, Japan): seismic swarm, eruption warning (updated 11 Nov 2015)
Sangay (Ecuador): likely strombolian eruptions at summit crater (updated 13 Mar 2015)
Santiaguito (Guatemala): slowly growing lava dome, ash explosions, viscous lava flow extrusion, occasional pyroclastic flows (updated 1 Dec 2015)
Semeru (East Java, Indonesia): growing lava dome, lava flow, strombolian activity (updated 9 Nov 2015)
Shiveluch (Kamchatka): growing lava dome (updated 30 Oct 2015)
Sinabung (Sumatra, Indonesia): continuing pyroclastic flows (updated 11 Nov 2015)
Stromboli (Eolian Islands, Italy): weak strombolian activity at summit vents (updated 16 Apr 2015)
Suwanose-jima (Ryukyu Islands): strombolian explosions in Ontake crater (updated 1 Oct 2015)
Tungurahua (Ecuador): intermittent small ash emissions, small to moderate explosions (updated 21 Nov 2015)
Villarrica (Central Chile): small lava lake in summit crater (updated 12 May 2015)
Yasur (Tanna Island, Vanuatu): ash emissions, weak strombolian explosions (updated 13 Nov 2015)
Zhupanovsky (Kamchatka, Russia): intermittent ash emissions (updated 1 Dec 2015)

Eruption warning / minor activity:

Alaid (Northern Kuriles): probable strombolian activity in summit crater (updated 8 Oct 2015)
Asama (Honshu): occasional small explosions since 16 June 2015 (updated 22 Jun 2015)
Augustine (Cook Inlet (SW Alaska))
Barren Island (Indian Ocean): weak thermal hot spot (updated 19 Aug 2015)
Bezymianny (Central Kamchatka Depression): steaming, weak seismic activity (updated 3 Jul 2014)
Bulusan (Luzon Island, Philippines): occasional phreatic explosions (updated 16 Jun 2015)
Chirinkotan (Northern Kuriles, Russia): sporadic ash emissions (updated 28 Jul 2015)
Chirpoi (Kurile Islands, Russia): strombolian activity, lava flows entering the sea (updated 8 Nov 2015)
Heard (Australia, Southern Indian Ocean): possibly lava lake in summit crater (updated 6 Nov 2015)
Kavachi (Solomon Islands): no eruption since 2007 (updated 16 Jun 2014)
Kerinci (Sumatra): seismic unrest, steam emissions (updated 5 Jun 2013)
Kick 'em Jenny (West Indies, Grenada): volcanic unrest, eruption warning (updated 24 Jul 2015)
Krakatau (Sunda Strait, Indonesia): steaming, seismic unrest (updated 15 Nov 2015)
Kuchinoerabu-jima (Ryukyu Islands): large explosive eruption on 29 May 2015 (updated 27 Mar 2015)
Lascar (Northern Chile): sudden explosion on 30 Oct 2015 (updated 31 Oct 2015)
Lokon-Empung (North Sulawesi, Indonesia): small explosions, lava flow? (updated 13 Nov 2015)
Lopevi (Vanuatu): eruption warning (updated 16 Dec 2014)
Mayon (Luzon Island, Philippines): steaming (updated 18 Dec 2014)
Merapi (Central Java, Indonesia): sporadic phreatic explosions (updated 21 Aug 2015)
Michael (United Kingdom, South Sandwich Is): unspecified activity detected as hot spot on satellite data (updated 3 Oct 2015)
Nyamuragira (DRCongo): active lava lake (updated 29 Nov 2014)
Ontake-san (Honshu): steaming, low seismic activity (updated 18 Dec 2014)
Papandayan (West Java): steaming (updated 6 May 2013)
Pavlof (Alaska Peninsula, USA): steaming, elevated seismic activity (updated 22 Dec 2014)
Poas (Costa Rica): phreatic explosions (updated 14 Oct 2014)
Rasshua (Central Kuriles)
Raung (East Java): intra-caldera eruption with lava flow and strombolian activity (updated 27 Aug 2015)
Rincón de la Vieja (Costa Rica): phreatic explosions from crater lake (updated 21 Sep 2014)
Rinjani (Lombok): lava flow effusion and ash emissions from new vent on Barujari cone (updated 17 Nov 2015)
Sabancaya (Peru): steaming, elevated seismic activity (updated 11 Oct 2015)
Sacabaya (Northern Chile, Bolivia and Argentina)
San Cristobal (Nicaragua): possible ash emission on 11 April (updated 9 Mar 2015)
San Miguel (El Salvador): degassing, seismic unrest, sporadic ash emissions (updated 28 Jan 2015)
Sangeang Api (Indonesia): weak lava extrusion from summit crater (updated 11 Nov 2015)
Sirung (Pantar Island, Indonesia ): degassing (updated 10 Jul 2015)
Slamet (Central Java): steam emissions (updated 12 Jan 2015)
Soputan (North Sulawesi, Indonesia): seismic unrest (updated 26 Oct 2015)
Telica (Nicaragua): powerful sudden explosion on 22 Nov 2015 (updated 28 Nov 2015)
Turrialba (Costa Rica): small to moderate ash emissions, intense degassing (updated 1 Dec 2015)
Ubinas (Peru): occasional explosions (updated 13 Nov 2015)
Ulawun (New Britain, Papua New Guinea): degassing, ash venting (updated 5 Aug 2013)

Vorherige Nachrichten
Eruption plume from Zhupanovsky volcano yesterday (image: Ирина Юркова / facebook)
Dienstag, Dez 01, 2015
Zhupanovsky (Kamchatka, Russia): After its re-awakening 3 days ago, a strong explosion occurred from the volcano yesterday at 13:50 local time and produced a plume that rose to approx. 30,000 ft (9 km) altitude and drifted SE. It was clearly visible even from the capital Petropavlovsk. ... [mehr]
Lava flows from Fuego volcano this morning
Montag, Nov 30, 2015
Zao (Honshu): (30 Nov) Signs of unrest have been reported from the volcano. According to a news article, new episodes of volcanic tremor were detected under the volcano recently, believed to be signs of increased internal fluid movements. ... [mehr]
Ash emission from Telica this morning
Samstag, Nov 28, 2015
Batu Tara (Sunda Islands, Indonesia): (28 Nov) We just returned from a 3-days expedition to the island during 23-26 Nov: the volcano's activity was overall at similar levels as during the previous visits between 2012-June this year, but highly variable from day to day: ... [mehr]
Thermal anomaly on the eastern side of the New SE crater (INGV Monte Cagliato thermal webcam)
Mittwoch, Nov 25, 2015
Etna (Sicily, Italy): Since this afternoon there is a change visible in Etna's activity. Weak strombolian activity has started from the New SE crater. The activity probably started earlier today, but due to bad weather it was not observed before. ... [mehr]
Explosion from Nishinoshima's active main vent on 17 Nov (Japan Coast Guard)
Samstag, Nov 21, 2015
Karymsky (Kamchatka): (21 Nov) Ash plumes from the volcano drifting east at estimated 23,000 ft (7 km) altitude were reported by VAAC Tokyo yesterday. ... [mehr]

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