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Volcanic activity worldwide 5 Jul 2015: Pacaya volcano, Fuego, Dukono, Tungurahua, Batu Tara, Raung,...

Sunday Jul 05, 2015 10:58 AM |

Pyroclastic flow on Fuego volcano, July 1, 2015 (image: CONRED)
Pyroclastic flow on Fuego volcano, July 1, 2015 (image: CONRED)
Ash emissions from Tungurahua on 3 July
Ash emissions from Tungurahua on 3 July
Hakone (Honshu): Following a small explosion in the Owakudani hydrothermal area and increased seismic activity, the alert level of the volcano was raised to 3 (on a scale of 1-5) on 30 June.
... [read more]

Batu Tara (Sunda Islands, Indonesia): The activity at the volcano remains intense. We visited Batu Tara from 30 June - 4 July on our recent Volcano Special tour and observed strombolian eruptions of varying intensity at intervals ranging between 10 and 50 minutes.
The strongest explosions caused loud cannon-shot like noises and produced abundant incandescent ejections that reached heights and distances of up to approx. 500 m from the crater. They were followed by glowing avalanches of blocks rolling down the sciara to the sea.
... [read more]

Raung (East Java): The effusive-explosive activity at the volcano continued and increased over the past week. Strombolian explosions accompany a lava flow emitted from a vent inside the large summit crater.
Some of the explosions were strong enough to produce significant but low-level ash plumes drifting east. Some airlines canceled flights to Surabaya and Bali that would pass near or in the paths of the plumes.
The alert level was raised to 3("Siaga") on a scale of 1-4 and some nearby villages have been evacuated.

Sinabung (Sumatra, Indonesia): Over the past days, pyroclastic flows have been weaker and less frequent, but the slow extrusion of lava at the summit continues with little change. The volcano remains at highest alert.

Dukono (Halmahera): Activity (explosions, ash emissions) remains elevated. An ash plume was observed extending 70 km NE from the volcano on 3 July (VAAC Darwin).

Pacaya (Guatemala): Mild strombolian activity producing small ash plumes continues at the Mackenney crater. Incandescence is visible from the crater at night,

Fuego (Guatemala): The eruptive activity intensified into another paroxysm during 1 July, producing a lava flow, more than 1 km long, and relatively large pyroclastic flows through the Las Lajas drainage on the southeast side that reached 4-5 km length.
Areas in the La Réunion area near the Las Lajas river bed were evacuated.
... [read more]

Tungurahua (Ecuador): New ash explosions took place at the volcano the day before yesterday (3 July), generating a plume that rose approx. 1 km above the summit and caused light ash fall on the western slope.
This was the first significant activity since the weak eruptive episode in April.
IGEPN reported moderate internal activity and does not exclude that more vigorous eruptions might follow in the near future.

Volcano Activity Summary for 5 Jul 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 5 Jun 2015)
Batu Tara (Sunda Islands, Indonesia): strombolian explosions, ash plumes up to 500 m, extrusion of a small lava dome with rockfalls (updated 5 Jul 2015)
Calbuco (Southern Chile and Argentina): steaming (updated 30 Apr 2015)
Colima (Western Mexico): Irregular small to moderately large explosions (updated 3 Jun 2015)
Copahue (Chile/Argentina): ash venting (updated 4 Dec 2014)
Dukono (Halmahera): thermal anomaly, probably small explosive activity in summit crater (updated 5 Jul 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 5 Jul 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 Jun 2015)
Karymsky (Kamchatka): occasional small explosions, thermal anomaly (updated 10 Jun 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 28 Jun 2015)
Mount Olympus (Mars)
Nishino-shima (Volcano Islands, Japan): growing island (updated 23 Jun 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): eruption ended 30 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): mild strombolian activity in summit crater (updated 5 Jul 2015)
Reventador (Ecuador): lava flow on SW flank (updated 28 Jun 2015)
Sakurajima (Kyushu, Japan): ash venting, intermittent explosions (updated 22 Jun 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 16 Jun 2015)
Shiveluch (Kamchatka): growing lava dome (updated 24 May 2015)
Sinabung (Sumatra, Indonesia): continuing pyroclastic flows (updated 5 Jul 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 5 Jul 2015)
Turrialba (Costa Rica): ash emissions, weak strombolian activity (updated 20 May 2015)
Ubinas (Peru): intermittent ash emissions (updated 28 Jun 2015)
Villarrica (Central Chile): small lava lake in summit crater (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)

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 6 Jun 2015)
Bezymianny (Central Kamchatka Depression): steaming, weak seismic activity (updated 3 Jul 2014)
Bulusan (Luzon Island, Philippines): occasional phreatic explosions (updated 16 Jun 2015)
Cleveland (Aleutian Islands, Alaska): growth of a small lava dome, ash emissions (updated 18 Jun 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, steam emissions (updated 5 Jun 2013)
Kirishima (Kyushu): degassing, alert lowered (updated 25 Oct 2014)
Krakatau (Sunda Strait, Indonesia): steaming, seismic unrest (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): weak strombolian activity in summit crater (updated 5 Jul 2015)
Papandayan (West Java): steaming (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)
Sangeang Api (Indonesia): lava flow on SE flank (updated 28 Jun 2015)
Shishaldin (United States, Aleutian Islands): mild explosive activity, intermittent more intense phases (updated 3 Apr 2015)
Slamet (Central Java): steam emissions (updated 12 Jan 2015)
Ulawun (New Britain, Papua New Guinea): degassing, ash venting (updated 5 Aug 2013)
Zhupanovsky (Kamchatka, Russia): intermittent ash emissions (updated 22 Jun 2015)

Previous news
Heat signal from Raung volcano during the past year (MIROVA)
Sunday, Jun 28, 2015
Manam (Papua New Guinea): According to Darwin VAAC, an ash plume from the volcano rose 8,000 ft and extended 70 km to the NE today. The volcano seems to be in a phase of intermittent mild explosive activity. ... [more]
Landsat 8 infrared image of Nishinoshima on 21 June 2015 showing the active areas (vent and lava delta)
Tuesday, Jun 23, 2015
Nishino-shima (Volcano Islands, Japan): The eruption on the island continues with apparently relatively steady lava effusion that feeds active flows reaching and enlarging the SE corner of the island, which has now 2.7 square kilometer of surface. ... [more]
Steam and ash plume from Asama volcano
Monday, Jun 22, 2015
Zhupanovsky (Kamchatka, Russia): A small ash emission from the volcano was reported on Saturday. Based on satellite imagery, an ash plume rose to 24,000 ft (7.2 km) altitude and drifted north (Tokyo VAAC). ... [more]
Thursday, Jun 18, 2015
Cleveland (Aleutian Islands, Alaska): The Alaska Volcano Observatory detected that a new (so far minor) eruptive episode has started at the volcano recently: ... [more]
Eruption from Semeru on 11 June 2015 (photo: Aris Yanto)
Tuesday, Jun 16, 2015
Asama (Honshu): (16 Jun) A small eruption occurred at the volcano this morning around 9am local time. ... [more]

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