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Volcanic activity worldwide 22 Feb 2016: Colima volcano, Alaid, Momotombo

Monday Feb 22, 2016 21:00 PM |

MODIS thermal signal from Alaid volcano (MIROVA)
MODIS thermal signal from Alaid volcano (MIROVA)
Colima's new lava dome seen on 19 Feb (image: Universidad de Colima / facebook)
Colima's new lava dome seen on 19 Feb (image: Universidad de Colima / facebook)
Eruption of Momotombo volcano yesterday
Eruption of Momotombo volcano yesterday
Alaid (Northern Kuriles): New thermal anomalies have been detected from the volcano during the past days via satellite data. It is not known whether or not a new eruption is underway at the volcano which is rarely visited, but one of the most active ones in the area.
Its most recent eruption from Oct 2015 to January this year produced spectacular lava flows that flowed into the sea and enlarged the uninhabited island.
The Aviation Color Code was raised again to yellow.

Colima (Western Mexico): As had been suspected last week, a new (still small) lava dome has appeared inside the volcano's summit crater. During an overflight on 19 Feb, it was seen to be approx. 25 m in diameter and 10 m tall.

Momotombo (Nicaragua): Activity has been a bit quieter over the past days, but the volcano continues to produce a few (on average two per day) mild to moderate explosions.

Volcano Activity Summary for 22 Feb 2016:

Currently erupting:

Ambrym (Vanuatu): active lava lakes in several craters (updated 18 Feb 2016)
Aso (central Kyushu, Japan): 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): intermittent ash-rich explosions, ash venting (updated 8 Feb 2016)
Colima (Western Mexico): intermittent vulcanian explosions (updated 22 Feb 2016)
Cotopaxi (Ecuador): vulcanian explosions (updated 16 Aug 2015)
Dukono (Halmahera): mild strombolian activity, continuous intense ash emissions (updated 14 Feb 2016)
Erebus (Antarctica): active lava lake in summit crater (updated 8 Dec 2014)
Erta Ale (Danakil depression, Ethiopia): overflowing lava lake (updated 18 Jan 2016)
Fuego (Guatemala): lava flows on S and W flanks, lava fountaining from summit vent (updated 10 Feb 2016)
Ibu (Halmahera, Indonesia): stromolian and phreatomagmatic explosions (updated 29 Oct 2015)
Karymsky (Kamchatka): occasional small explosions, thermal anomaly (updated 10 Feb 2016)
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 16 Feb 2016)
Momotombo (Nicaragua): intermittent vulcanian explosions (updated 22 Feb 2016)
Nevado del Ruiz (Colombia): intermittent ash emissions, strong degassing (updated 21 Sep 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 13 Jan 2016)
Popocatépetl (Central Mexico): degassing, sporadic explosions, slowly growing lava dome (updated 18 Feb 2016)
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 12 Feb 2016)
Sangay (Ecuador): likely strombolian eruptions at summit crater (updated 13 Mar 2015)
Santiaguito (Guatemala): intermittent explosions from Caliente dome, strong degassing (updated 5 Feb 2016)
Semeru (East Java, Indonesia): growing lava dome, lava flow, strombolian activity (updated 14 Feb 2016)
Shiveluch (Kamchatka): growing lava dome (updated 29 Jan 2016)
Sinabung (Sumatra, Indonesia): continuing pyroclastic flows (updated 14 Feb 2016)
Soputan (North Sulawesi, Indonesia): strong eruption 4-6 Jan 2016 (updated 6 Feb 2016)
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)
Ubinas (Peru): sporadic vulcanian explosions (updated 16 Jan 2016)
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): occasional explosions and ash emissions (updated 14 Feb 2016)

Eruption warning / minor activity:

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 3 Feb 2016)
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)
Cerro Negro (Nicaragua): increased earthquake activity (updated 16 Feb 2016)
Chirinkotan (Northern Kuriles, Russia): sporadic ash emissions (updated 28 Jul 2015)
Copahue (Chile/Argentina): seismic unrest, occasional ash venting (updated 3 Feb 2016)
Etna (Sicily, Italy): weak strombolian activity inside Voragine crater (updated 19 Apr 2014)
Heard (Australia, Southern Indian Ocean): strombolian activity, lava flow from Mawson Peak summit crater (updated 1 Feb 2016)
Karangetang (Siau Island, Sangihe Islands, Indonesia): rockfalls, glowing lava dome (updated 13 Jan 2016)
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)
Lopevi (Vanuatu): eruption warning (updated 16 Dec 2014)
MacDonald (Austral Islands,  ): steaming observed (updated 6 Feb 2016)
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)
Nevados de Chillán (Central Chile): short ash emission on 8 Jan 2016 (updated 1 Feb 2016)
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): intermittent ash emissions (updated 15 Jan 2016)
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)
Telica (Nicaragua): degassing (updated 16 Feb 2016)
Turrialba (Costa Rica): sporadic ash emissions, weak crater glow (updated 3 Feb 2016)
Ulawun (New Britain, Papua New Guinea): degassing, ash venting (updated 5 Aug 2013)

Previous news
Eruption of Momotombo this morning
Friday, Feb 19, 2016
Momotombo (Nicaragua): Activity at the volcano has been increasing. During the past days, explosions have become frequent, with intervals of only few hours. The largest on Wednesday evening at 20:50 local time showered almost the cone with incandescent ejecta and produced ash plumes up to 1 km tall. Unconfirmed reports suggest that some of the eruptions also have produced small pyroclastic flows. ... [more]
Small explosion at Colima this morning
Thursday, Feb 18, 2016
Ambrym (Vanuatu): Wellington VAAC reported an ash plumes from the volcano this morning. Based on satellite observations, an ash cloud rose to 9,000 ft (2,7 km) altitude and drifted east. ... [more]
Eruption of Telica last Saturday (INETER)
Tuesday, Feb 16, 2016
Telica (Nicaragua): (16 Feb) Nicaragua's volcanoes remain in a particularly active state. A series of approx. 12 small explosions occurred at Telica volcano on Saturday morning, the Nicaraguan Institute of Territorial Studies INETER reported. Ash columns from the eruptions rose from 300 to 1000 meters above the crater. ... [more]
Lava flow field as of 12 Feb 2016 (HVO / USGS)
Monday, Feb 15, 2016
Kilauea (Hawai'i): No significant changes in activity have occurred in the ongoing eruption of Kilauea. In recent weeks, lava from Pu'u 'O'o continued to aliment lava tubes feeding the large pahoehoe flow field to the NE. ... [more]
Eruption of Sinabung on the evening of 12 Feb 2016 (PVMBG)
Sunday, Feb 14, 2016
Sinabung (Sumatra, Indonesia): Explosions from the summit crater continue to occur intermittently. An eruption in the evening (18:24 local time) of 12 Feb produced an ash plume that rose approx. 2 km above the summit. ... [more]

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