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Volcanic activity worldwide 27 Mar 2015: Colima volcano, Shiveluch, Sakurajima, Villarrica, Aso, Bag...

Friday Mar 27, 2015 19:52 PM |

Eruption column from Shiveluch this morning (photo: Y. Demyanchuck / www.volkstat.ru)
Eruption column from Shiveluch this morning (photo: Y. Demyanchuck / www.volkstat.ru)
Glow from Aso's Nakadake crater
Glow from Aso's Nakadake crater
Glow from  Shin-Dake crater
Glow from Shin-Dake crater
Pyroclastic flow from Colima this morning
Pyroclastic flow from Colima this morning
Ash emission from Villarrica volcano today
Shiveluch (Kamchatka): (26 Mar) Another powerful vulcanian explosion occurred this morning at 10:03 local time at the volcano. An eruption column rose to approx. 10 km altitude.
The eruption produced smaller pyroclastic flows from collapsing material at the base of the eruption column.

Aso (Kyushu): Explosive activity and ash emissions have decreased or ceased. Bright glow and intense steaming/degassing from the main vent in the Nakadake crater however suggest the presence of a small lava lake.

Kuchinoerabu-jima (Ryukyu Islands): Incandescence can be seen from the crater of the volcano, suggesting mild activity (e.g. release of very hot gasses) continues. Since its last eruption in August 2014 the volcano remains at alert level 3 (out of 5).

Sakurajima (Kyushu, Japan): The volcano is currently in a very active phase. During the past 24 hours alone, at least 14 vulcanian explosions occurred, the largest of which produced ash plumes that rose to 11-13,000 ft (3-4 km) altitude.

Bagana (Bougainville Island, Papua New Guinea): An ash plume from the volcano was observed last night, extending at 10,000 ft (3 km) altitude approx. 50 km to the NE (VAAC Darwin).

Colima (Western Mexico): Strong explosions continue to occur. An eruption at 08:20 local time this morning produced several pyroclastic flows that traveled down the western flank of the volcano:


Villarrica (Central Chile): Activity remains stable with intermittent mild strombolian explosions and light ash emissions.
Bright glow can be seen at night, suggesting that the magma column inside the conduit stands very high.

Volcano Activity Summary for 27 Mar 2015:

Currently erupting:

Ambrym (Vanuatu): active lava lakes in several craters (updated 14 Aug 2013)
Aso (Kyushu): intense strombolian activity from main vent in Nakadake crater (updated 27 Mar 2015)
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): Irregular small to moderately large explosions (updated 27 Mar 2015)
Copahue (Chile/Argentina): ash venting (updated 4 Dec 2014)
Dukono (Halmahera): thermal anomaly, probably small explosive activity in summit crater (updated 25 Mar 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 11 Jan 2013)
Fuego (Guatemala): intermittent strombolian explosions (updated 13 Mar 2015)
Ibu (Halmahera, Indonesia): stromolian and phreatomagmatic explosions (updated 14 Nov 2014)
Karangetang (Siau Island, Sangihe Islands, Indonesia): growing lava dome, incandescent avalanches (updated 5 Feb 2015)
Karymsky (Kamchatka): occasional small explosions, thermal anomaly (updated 25 Mar 2015)
Kilauea (Hawai'i): new lava flow from vents on NE flank of Pu'u 'O'o (updated 13 Aug 2013)
Nishino-shima (Volcano Islands, Japan): growing island (updated 19 Jan 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)
Poas (Costa Rica): phreatic explosions (updated 14 Oct 2014)
Popocatépetl (Central Mexico): degassing, sporadic explosions, slowly growing lava dome (updated 4 Mar 2015)
Rabaul (Tavurvur) (New Britain, Papua New Guinea): lava fountains, ash emissions from Tavurvur cone (updated 12 Sep 2014)
Raung (East Java): Large Strombolian explosions (updated 18 Mar 2015)
Reventador (Ecuador): intermittent weak to moderate explosions, occasional lava flows (updated 16 Mar 2015)
Sakurajima (Kyushu, Japan): ash venting, intermittent explosions (updated 27 Mar 2015)
Sangay (Ecuador): likely strombolian eruptions at summit crater (updated 13 Mar 2015)
Santiaguito (Guatemala): small explosions from the Caliente dome and active lava flow (updated 3 Feb 2015)
Semeru (East Java, Indonesia): growing lava dome, lava flow, strombolian activity (updated 26 Nov 2014)
Shiveluch (Kamchatka): growing lava dome (updated 26 Mar 2015)
Sinabung (Sumatra, Indonesia): continuing pyroclastic flows (updated 20 Feb 2015)
Soputan (North Sulawesi, Indonesia): active viscous lava flow, explosions, rockfalls, pyroclastic flows (updated 9 Mar 2015)
Suwanose-jima (Ryukyu Islands): strombolian activity (updated 16 Feb 2015)
Villarrica (Central Chile): pulsating gas and ash emissions (updated 27 Mar 2015)
Yasur (Tanna Island, Vanuatu): ash emissions, weak strombolian explosions (updated 14 Aug 2013)
Zhupanovsky (Kamchatka, Russia): intermittent ash emissions (updated 25 Mar 2015)

Eruption warning / minor activity:

Augustine (Cook Inlet (SW Alaska))
Bagana (Bougainville Island, Papua New Guinea): ash emissions, lava dome growth (updated 27 Mar 2015)
Bezymianny (Central Kamchatka Depression): steaming, weak seismic activity (updated 3 Jul 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 5 Dec 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)
Kliuchevskoi (Kamchatka): degassing, probably mild strombolian activity in summit crater (updated 26 Mar 2015)
Krakatau (Sunda Strait, Indonesia): degassing (updated 31 Mar 2014)
Kuchinoerabu-jima (Ryukyu Islands): steaming, incandescence at main crater (updated 27 Mar 2015)
Lokon-Empung (North Sulawesi, Indonesia): small explosions, lava flow? (updated 13 Sep 2014)
Lopevi (Vanuatu): eruption warning (updated 16 Dec 2014)
Manam (Papua New Guinea): seismic unrest (updated 20 Mar 2015)
Mayon (Luzon Island): steaming (updated 18 Dec 2014)
Nevado del Ruiz (Colombia): ash emissions (updated 16 Dec 2014)
Nyamuragira (DRCongo): active lava lake (updated 29 Nov 2014)
Ontake-san (Honshu): steaming, low seismic activity (updated 18 Dec 2014)
Pacaya (Guatemala): ash emissions (updated 7 Feb 2015)
Papandayan (West Java): strong hydrothermal activity, increased seismicity (updated 6 May 2013)
Pavlof (Alaska Peninsula, USA): steaming, elevated seismic activity (updated 22 Dec 2014)
Piton de la Fournaise (La Réunion): new eruption on 4 Feb 2015 (updated 16 Feb 2015)
Rasshua (Central Kuriles)
Rincón de la Vieja (Costa Rica): phreatic explosions from crater lake (updated 21 Sep 2014)
Sacabaya (Northern Chile, Bolivia and Argentina)
San Cristobal (Nicaragua): possible ash emission on 11 April (updated 9 Mar 2015)
San Miguel (El Salvador): elevated seismic activity, pulsating gas emissions (updated 28 Jan 2015)
Shishaldin (United States, Aleutian Islands): mild explosive activity, intermittent more intense phases (updated 20 Mar 2015)
Slamet (Central Java): intense strombolian explosions (updated 12 Jan 2015)
Stromboli (Eolian Islands, Italy): weak strombolian activity at summit vents (updated 13 Mar 2015)
Tungurahua (Ecuador): steaming, sporadic small explosions (updated 4 Mar 2015)
Turrialba (Costa Rica): ash eruptions (updated 16 Mar 2015)
Ubinas (Peru): sporadic ash emissions (updated 20 Mar 2015)
Ulawun (New Britain, Papua New Guinea): degassing, ash venting (updated 5 Aug 2013)

Previous news
Lewotobi volcano in Nov. 2014
Thursday, Mar 26, 2015
Kliuchevskoi (Kamchatka): Mild activity (small explosions and light ash emissions) continues at the summit crater of the volcano ... [more]
Incandescence from strombolian activity at Villarrica last evening
Wednesday, Mar 25, 2015
Karymsky (Kamchatka): Intermittent strombolian to vulcanian explosions continue to occur at the volcano. ... [more]
Eruption at Colima volcano this morning (photo: Hernando Rivera)
Tuesday, Mar 24, 2015
Colima (Western Mexico): The volcano continues to produce sometimes strong vulcanian-type explosions that seem to have picked up in strength over the past days. ... [more]
Earthquakes (yellow and red circles) near Ngauruhoe during the past 14 days
Monday, Mar 23, 2015
Ngauruhoe (North Island): (23 Mar) New Zealand's GNS Science reports an increase in earthquakes under the volcano, interpreted as weak signs of volcanic unrest. The Volcanic Alert Level was raised to level 1 (minor volcanic unrest), but no eruption is expected in the near future. ... [more]
Eruption from Shiveluc this morning
Sunday, Mar 22, 2015
Shiveluch (Kamchatka): (22 Mar) Activity at the volcano remains elevated. A series of moderate explosions occurred over the past days, producing ash plumes that rose to 23-27,000 ft (7-9 km) altitude (Tokyo VAAC). ... [more]

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