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Volcanic activity worldwide 29 May 2015: Sakurajima volcano, Kuchinoerabu-jima, Wolf

Friday May 29, 2015 21:00 PM |

Ash plumes from Kuchinoerabu-jima and Sakura-jima volcanoes today (MODIS Terra / NASA)
Ash plumes from Kuchinoerabu-jima and Sakura-jima volcanoes today (MODIS Terra / NASA)
Ash plume and pyroclastic flow from the eruption of Kuchinoerabujima this morning
Ash plume and pyroclastic flow from the eruption of Kuchinoerabujima this morning
Lava flows reaching the sea from Wolf volcano, Isabela Island (Galapagos) (photo: Jinsop Barzola / Galapagos National Park)
Lava flows reaching the sea from Wolf volcano, Isabela Island (Galapagos) (photo: Jinsop Barzola / Galapagos National Park)
Kuchinoerabu-jima (Ryukyu Islands): (29 May) Two people have been reported injured, presumably burnt by pyroclastic surge, and were flown to a hospital in Yakushima island.
So far, it is not clear whether the eruption is a large-scale phreatic (steam-explosion driven) event or caused by new magma. Ash analysis should bring light into this soon.
Below is a NASA satellite image of the eruption plume - also a weaker plume from Sakurajima volcano (very active today as well) is visible drifting west from southern Kyushu island.
...29 May:
A powerful vulcanian explosion occurred this morning at 11:02 am local time at the volcano. The eruption - a both vertical and partially lateral massive explosion, occurred with apparently little warning from the Shintake vent and produced large pyroclastic flows by column collapse. A tall mushroom ash plume quickly rose to approx. 12 km altitude (36,000 ft).
JMA raised the alert level to the highest (5 out of 5) and authorities ordered immediate evacuation of the 130 inhabitants. Preliminary reports say that no fatalities or significant damage occurred, although this seems almost too good to be true, judging from the view of a massive pyroclastic flow that swept down to the coast near the port of the small island. Video:
... [read more]

Sakurajima (Kyushu, Japan): (29 May) After having been comparably calm the past days, the volcano started a series of strong explosions this morning. Ash plumes rose to reported 14,20,000 ft altitude.
The eruptions were followed by long phases of mild to moderate, continuous jets of ash.

Wolf (Galápagos Islands, Ecuador): (29 May) During the evening of 27 May (local time), the lava flow entered the sea on the southeast shore of the northern part of Isabela island.

Volcano Activity Summary for 29 May 2015:

Currently erupting:

Ambrym (Vanuatu): active lava lakes in several craters (updated 24 May 2015)
Aso (Kyushu): intense strombolian activity from main vent in Nakadake crater (updated 22 May 2015)
Bagana (Bougainville Island, Papua New Guinea): ash emissions, lava dome growth (updated 2 Apr 2015)
Batu Tara (Sunda Islands, Indonesia): strombolian explosions, ash plumes up to 500 m, extrusion of a small lava dome with rockfalls (updated 22 May 2015)
Calbuco (Southern Chile and Argentina): degassing (updated 30 Apr 2015)
Colima (Western Mexico): Irregular small to moderately large explosions (updated 24 May 2015)
Copahue (Chile/Argentina): ash venting (updated 4 Dec 2014)
Dukono (Halmahera): thermal anomaly, probably small explosive activity in summit crater (updated 20 May 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 22 May 2015)
Ibu (Halmahera, Indonesia): stromolian and phreatomagmatic explosions (updated 14 Nov 2014)
Karangetang (Siau Island, Sangihe Islands, Indonesia): lava flows, weak explosive activity at summit crater (updated 11 May 2015)
Karymsky (Kamchatka): occasional small explosions, thermal anomaly (updated 27 Apr 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): occasional ash emissions (updated 27 Apr 2015)
Mount Olympus (Mars)
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)
Piton de la Fournaise (La Réunion): new fissure eruption since 17 May 2015 (updated 22 May 2015)
Poas (Costa Rica): phreatic explosions (updated 14 Oct 2014)
Popocatépetl (Central Mexico): degassing, sporadic explosions, slowly growing lava dome (updated 13 Apr 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): frequent explosions, growing lava dome, lava flow on SW flank (updated 24 May 2015)
Sakurajima (Kyushu, Japan): ash venting, intermittent explosions (updated 29 May 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 24 May 2015)
Sinabung (Sumatra, Indonesia): continuing pyroclastic flows (updated 24 May 2015)
Soputan (North Sulawesi, Indonesia): active viscous lava flow, explosions, rockfalls, pyroclastic flows (updated 9 Mar 2015)
Stromboli (Eolian Islands, Italy): weak strombolian activity at summit vents (updated 16 Apr 2015)
Suwanose-jima (Ryukyu Islands): strombolian activity (updated 25 Apr 2015)
Telica (Nicaragua): sporadic ash emissions and explosions (updated 28 May 2015)
Tungurahua (Ecuador): volcanic unrest, ash emissions, degassing (updated 3 May 2015)
Turrialba (Costa Rica): ash emissions, weak strombolian activity (updated 20 May 2015)
Villarrica (Central Chile): pulsating gas and ash emissions (updated 12 May 2015)
Wolf (Galápagos Islands, Ecuador): large explosive-effusive eruption since 25 May 2015 (updated 25 May 2015)
Yasur (Tanna Island, Vanuatu): ash emissions, weak strombolian explosions (updated 14 Aug 2013)
Zhupanovsky (Kamchatka, Russia): intermittent ash emissions (updated 3 Apr 2015)

Eruption warning / minor activity:

Augustine (Cook Inlet (SW Alaska))
Barren Island (Indian Ocean): weak thermal hot spot (updated 27 Apr 2015)
Bezymianny (Central Kamchatka Depression): steaming, weak seismic activity (updated 3 Jul 2014)
Bulusan (Luzon Island, Philippines): steaming, seismic unrest (updated 23 May 2015)
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): large explosive eruption on 29 May 2015 (updated 27 Mar 2015)
Lokon-Empung (North Sulawesi, Indonesia): small explosions, lava flow? (updated 22 May 2015)
Lopevi (Vanuatu): eruption warning (updated 16 Dec 2014)
Mayon (Luzon Island): steaming (updated 18 Dec 2014)
Nevado del Ruiz (Colombia): intermittent ash emissions, seismic unrest (updated 28 May 2015)
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)
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 3 Apr 2015)
Slamet (Central Java): intense strombolian explosions (updated 12 Jan 2015)
Ubinas (Peru): degassing, light ash emissions (updated 24 May 2015)
Ulawun (New Britain, Papua New Guinea): degassing, ash venting (updated 5 Aug 2013)

Vorig nieuws
Telica's eruption seen by the INETER webcam
Thursday, May 28, 2015
Telica (Nicaragua): (28 May) After a week of calm, a new phase of explosive activity occurred yesterday at the volcano, beginning with a moderately large explosion at 12:02 local time. An ash plume rose approx. 3 km above the summit: ... [meer...]
Image of the eruption 26 May evening (image: Xavier Garcia / Parque Nacional Galapagos / facebook)
Wednesday, May 27, 2015
Wolf (Galápagos Islands, Ecuador): (26 May) As of yesterday evening, the eruption has decreased a lot in intensity. Lava fountaining at the 1 km fissure vent had essentially stopped. The lava flows, still far from the sea, were only weakly alimentated and advancing slowly. ... [meer...]
Ash plumes from Wolf volcano (VAAC Washington)
Monday, May 25, 2015
Wolf (Galápagos Islands, Ecuador): A large eruption might have started at the largest volcano of the Galapagos Islands - Volcán Wolf on the northern end of the archipelago's biggest island Isabela. ... [meer...]
Small pyroclastic flow at Sinabung 21 May (photo: Leo Kennedy Adam / twitter)
Sunday, May 24, 2015
Shiveluch (Kamchatka): KVERT reported that during 8-15 May lava-dome extrusion onto Sheveluch’s N flank was accompanied by incandescence, hot block avalanches, and fumarolic activity. ... [meer...]
Saturday, May 23, 2015
Bulusan (Luzon Island, Philippines): (23 May) During 13-15 and 17-19 May PHIVOLCS reported that six or fewer volcanic earthquakes were recorded at Bulusan. Weak steam emissions were occasionally observed rising from the SW vent and from a vent on the upper NW flank; plumes drifted SW, WNW, or drifted downslope. ... [meer...]

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