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Volcanic activity worldwide 3 Jan 2016: Masaya volcano, Momotombo

Sunday Jan 03, 2016 21:00 PM |

The lava lake in Masaya crater on 30 Dec 2015 (image: Maria Timmer / @ScienceByMaria / twitter)
The lava lake in Masaya crater on 30 Dec 2015 (image: Maria Timmer / @ScienceByMaria / twitter)
The cone of Momotombo volcano covered by glowing bombs from this morning's eruption
The cone of Momotombo volcano covered by glowing bombs from this morning's eruption
Masaya (Nicaragua): (3 Jan) A small lava lake, approx. 10x20 meters in diameter, is active inside the main crater of the volcano. This activity seems to have started in mid December and has been continuing since.

Momotombo (Nicaragua): A strong explosion occurred this morning at 04:22 local time at the volcano, covering much of the summit cone with incandescent ejecta.
The lava flow effusion and continuous strombolian activity had stopped in early December, followed by only high-temperature degassing, sporadic minor explosions and the growth of what might have been a small lava dome. A more intense phase of activity seems to have started yesterday. Early on 2 January, small ash emissions occurred, followed by more, still weak explosions in the early afternoon of yesterday.
... [read more]

Volcano Activity Summary for 3 Jan 2016:

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)
Bromo (East Java, Indonesia): near-continuous ash emissions (updated 16 Dec 2015)
Colima (Western Mexico): intermittent vulcanian explosions (updated 16 Dec 2015)
Cotopaxi (Ecuador): vulcanian explosions (updated 16 Aug 2015)
Dukono (Halmahera): mild strombolian activity, continuous intense ash emissions (updated 19 Dec 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 3 Dec 2015)
Fuego (Guatemala): lava flows on S and W flanks, lava fountaining from summit vent (updated 1 Jan 2016)
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 11 Dec 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)
Masaya (Nicaragua): active lava lake in summit crater since mid Dec 2015 (updated 3 Jan 2016)
Momotombo (Nicaragua): strong explosion on 3 Jan 2016 (updated 3 Jan 2016)
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): intense spattering from intra-crater cone (updated 23 Dec 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): intermittent explosions from Caliente dome, strong degassing (updated 31 Dec 2015)
Semeru (East Java, Indonesia): growing lava dome, lava flow, strombolian activity (updated 9 Nov 2015)
Shiveluch (Kamchatka): growing lava dome (updated 11 Dec 2015)
Sinabung (Sumatra, Indonesia): continuing pyroclastic flows (updated 19 Dec 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)
Canlaon (Central Philippines): occasional phreatic explosions (updated 11 Dec 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)
Copahue (Chile/Argentina): seismic unrest, occasional ash venting (updated 14 Dec 2015)
Etna (Sicily, Italy): weak strombolian activity inside Voragine crater (updated 19 Apr 2014)
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)
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): degassing (updated 5 Dec 2015)
Turrialba (Costa Rica): sporadic ash emissions, weak crater glow (updated 9 Dec 2015)
Ubinas (Peru): occasional explosions (updated 13 Nov 2015)
Ulawun (New Britain, Papua New Guinea): degassing, ash venting (updated 5 Aug 2013)

Previous news
Strombolian explosion at Fuego last night, seen from SE.
Saturday, Jan 02, 2016
Fuego (Guatemala): (1 Jan) Activity at the volcano has remained at similar levels (if not decreased a bit) as during the past days. ... [more]
Small explosion at Santiaguito on the morning of 28 Dec 2015
Thursday, Dec 31, 2015
Santiaguito (Guatemala): (31 Dec) During our stay at / near Santa Maria volcano during 26-29 Dec, we observed only explosive activity at Santiaguito, but no signs of effusive activity (lava flows): no rockfalls or other movements were seen at the recently active lava flows or on the flanks of the dome itself, indicating that at present, no lava flows are active. ... [more]
View into Pacaya's Mackenney crater this morning (22 Dec 2015)
Wednesday, Dec 23, 2015
Pacaya (Guatemala): (23 Dec) During our visit at the volcano this morning, the first direct observation of the crater was possible following a period of 5 days of bad weather. When we climbed the crater rim, we observed violent, continuous lava spattering from the central vent on an intra-crater cinder cone inside Mackenney crater. ... [more]
Explosion at Sinabung volcano this morning (image: Endro Lewa / facebook)
Saturday, Dec 19, 2015
Sinabung (Sumatra, Indonesia): (19 Dec) The eruption, characterized by slow extrusion of viscous lava, continues well into its second year. During the past days, incandescent avalanches, but also explosions (from pressurized gas-rich magma) have occurred, producing small to moderate ash plumes rising up to 2-3 km. ... [more]
Fuego volcano this morning
Thursday, Dec 17, 2015
Egon (Flores): Seismic unrest has been detected at the volcano. On 15 Dec, VSI raised the alert level of the volcano from 1 to 2 ("waspada", watch), on a scale of 1-4. ... [more]

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