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Volcanic activity worldwide 11 Mar 2015: Reventador volcano, Sakurajima, Aso, Zhupanovsky

Wednesday Mar 11, 2015 21:00 PM |

Steam plume from Aso's Nakadake crater today
Steam plume from Aso's Nakadake crater today
Thermal image of Reventador volcano today
Thermal image of Reventador volcano today
Zhupanovsky (Kamchatka, Russia): The volcano continues to produce intermittent weak to moderate ash emissions during the past weeks. Together with (far more active) Shiveluch and Karymsky volcanoes further north, there are currently 3 erupting volcanoes in Kamchatka.

Aso (Kyushu): Strombolian activity continues, but has decreased. Mostly, only a steam plume can be seen rising from the Nakadake crater, suggesting that explosive activity is now much lower than during the previous months.

Sakurajima (Kyushu, Japan): The volcano continues to produce frequent strombolian to vulcanian-type explosions, often accompanied by long-lasting periods of ash emissions.
Our friends Marc Szlegat and Martin Rietze visited the volcano last week. Some impressions of this activity can be seen on this page.

Reventador (Ecuador): Mild explosive and effusive activity in the form of a dome at the summit crater continue. Washington VAAC reported several small ash emissions and thermal images suggest that the lava flow on the upper western flank remains active.

Volcano Activity Summary for 11 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 11 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)
Chikurachki (Paramushir Island): ash emissions, explosions (updated 17 Feb 2015)
Colima (Western Mexico): Irregular small to moderately large explosions (updated 4 Mar 2015)
Copahue (Chile/Argentina): ash venting (updated 4 Dec 2014)
Daikoku (Volcano Islands): underwater eruption discovered on 14 Dec 2014 (updated 22 Dec 2014)
Dukono (Halmahera): thermal anomaly, probably small explosive activity in summit crater (updated 12 Feb 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 9 Mar 2015)
Gamalama (Halmahera): new eruption on 18 Dec 2014 (updated 22 Dec 2014)
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 4 Mar 2015)
Kilauea (Hawai'i): new lava flow from vents on NE flank of Pu'u 'O'o (updated 13 Aug 2013)
Marapi (Western Sumatra, Indonesia): sporadic explosions (updated 27 Mar 2014)
Nasu (Honshu)
Nishino-shima (Volcano Islands, Japan): growing island (updated 19 Jan 2015)
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)
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 1 Mar 2015)
Reventador (Ecuador): active lava flow no southwestern flank, intermittent explosions (updated 11 Mar 2015)
Sakurajima (Kyushu, Japan): ash venting, intermittent explosions (updated 11 Mar 2015)
Sangeang Api (Indonesia): growing lava dome & lava flow (updated 7 Jul 2014)
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 9 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): strombolian activity in summit crater, small lava lake (updated 4 Mar 2015)
Yasur (Tanna Island, Vanuatu): ash emissions, weak strombolian explosions (updated 14 Aug 2013)
Zhupanovsky (Kamchatka, Russia): intermittent ash emissions (updated 11 Mar 2015)

Eruption warning / minor activity:

Augustine (Cook Inlet (SW Alaska))
Bagana (Bougainville Island, Papua New Guinea): ash emissions, lava dome growth (updated 21 Jan 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)
Krakatau (Sunda Strait, Indonesia): degassing (updated 31 Mar 2014)
Kuchinoerabu-jima (Ryukyu Islands): explosion on 3 Aug 2014 (updated 5 Dec 2014)
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): steaming, incandescence at main crater (updated 5 Feb 2015)
Mayon (Luzon Island): steaming (updated 18 Dec 2014)
Monowai (Kermandec Islands, New Zealand): frequent submarine eruptions, last confirmed during Oct 2014 (updated 14 Nov 2014)
Nevado del Ruiz (Colombia): ash emissions (updated 16 Dec 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)
Sangay (Ecuador): likely strombolian eruptions at summit crater (updated 4 Mar 2015)
Shishaldin (United States, Aleutian Islands): mild explosive activity, intermittent more intense phases (updated 3 Feb 2015)
Slamet (Central Java): intense strombolian explosions (updated 12 Jan 2015)
Stromboli (Eolian Islands, Italy): weak strombolian activity at summit vents (updated 12 Feb 2015)
Tungurahua (Ecuador): steaming, sporadic small explosions (updated 4 Mar 2015)
Turrialba (Costa Rica): occasional ash emissions (updated 9 Mar 2015)
Ulawun (New Britain, Papua New Guinea): degassing, ash venting (updated 5 Aug 2013)

Previous news
Explosion at Shiveluch yesterday morning
Monday, Mar 09, 2015
Kliuchevskoi (Kamchatka): The explosive-effusive eruption of the volcano probably finished. ... [more]
Eruption of Soputan volcano this morning (image: VSI)
Saturday, Mar 07, 2015
Soputan (North Sulawesi, Indonesia): A new explosive eruptive phase occurred this morning, producing an ash plume that rose 4.5 km from the volcano's summit and pyroclastic flows that traveled 2.5 km. ... [more]

Wednesday, Mar 04, 2015
Kliuchevskoi (Kamchatka): Strombolian activity and mild to moderate ash emissions continue at the summit crater with no significant changes over the past weeks. ... [more]
Tuesday, Mar 03, 2015
Villarrica (Central Chile): Activity increased to a paroxysmal eruption this morning, as strombolian explosions merged into sustained tall lava fountains several hundreds of meters tall, feeding lava flows on the upper slopes of the volcano. ... [more]

Monday, Mar 02, 2015
Bardarbunga (Central Iceland): At noon of the 28th of February, the Scientific Advisory Board for Iceland´s recent volcanic activity officially declared that the eruption at Holuhraun has come to an end. ... [more]

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