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Volcanic activity worldwide 29 Jun 2014: Stromboli, Kilauea, Sakurajima

Sunday Jun 29, 2014 21:00 PM |

Eruption at Stromboli this morning (INGV Pizzo webcam)
Eruption at Stromboli this morning (INGV Pizzo webcam)
Ash plume hovering over the southeastern sector of Sakurajima this morning (Tarumizu webcam)
Ash plume hovering over the southeastern sector of Sakurajima this morning (Tarumizu webcam)
The new lava flow seen yesterday (USGS)
The new lava flow seen yesterday (USGS)
Stromboli (Eolian Islands, Italy): Activity remains elevated. A high level of magma causes continuous spattering and many strombolian eruptions from several vents on the crater terrace:

Frequent rockfalls are occurring on the Sciara del Fuoco, but (so far at least) no new lava overflows.

Sakurajima (Kyushu, Japan): A stronger phase of activity is occurring at the volcano. During the past 24 hours, 4 vulcanian-type explosions were registered, ejecting ash plumes to up to 13,000 ft (4.2 km) altitude.
In addition, the volcano has continuous phases of ash emissions following the explosions. Ash plumes, some of them relatively thick have been drifting S, SE and E.
Compared to last year, the volcano has been less active, however. So far, there have been approx. 240 recorded eruptions (explosions), while this number last year at the same time was already almost double (435).

Kilauea (Hawai'i): (29 Jun) A new lava breakout occurred Friday early morning (local time) from a new vent on the outer northern flank of Pu'u 'O'o crater. It feeds a new lava flow with several branches headed to the north and northeast. The most advanced of the them traveled to the NW and had quickly reached a length of approx 1 km yesterday, but has not advanced much since.
The event was marked by a sudden deflation of the cone, indicating that magma drained from underneath the Pu'u 'O'o crater terrace and moved to the new vent. This rapid drop in magma level under the crater terrace resulted in the collapse of several of the spatter cones. Until yesterday, these had been the site of frequent overflows and were feeding the Kahaual'a2 flow field.
Overall, activity at the volcano has been relatively stable over the past months, with good magma supply to both the summit lava lake in Halema'uma'u and the Pu'u 'O'o vents on the eastern rift zone in 10 km distance. The new vent at Pu'u 'O'o is simply a change in the surface configuration of vents for Kilauea's continued magma supply.

Volcano Activity Summary for 29 Jun 2014:

Currently erupting:

Ambrym (Vanuatu): active lava lakes in several craters (updated 14 Aug 2013)
Bagana (Bougainville Island, Papua New Guinea): ash explosions (updated 27 May 2014)
Barren Island (Indian Ocean): intermittent activity, likely strombolian-type and/or lava flows (updated 4 Feb 2014)
Batu Tara (Sunda Islands, Indonesia): strombolian explosions, ash plumes up to 500 m, extrusion of a small lava dome with rockfalls (updated 16 Jun 2014)
Colima (Western Mexico): extrusion of lava flow from summit, intermittent explosions (updated 10 Apr 2014)
Dukono (Halmahera): thermal anomaly, probably small explosive activity in summit crater (updated 28 Jun 2014)
Erebus (Antarctica): active lava lake in summit crater (updated 21 Jan 2012)
Erta Ale (Ethiopia): active lava lake in northern pit crater, active hornito with intermittend flow in southern crater (updated 11 Jan 2013)
Fuego (Guatemala): strombolian explosions from summit crater, intermittent lava flows (updated 28 Jun 2014)
Ibu (Halmahera, Indonesia): growing lava dome, occasional ash emissions (updated 30 Mar 2014)
Karymsky (Kamchatka): occasional small explosions, thermal anomaly (updated 13 Apr 2014)
Kilauea (Hawai'i): lava lakes in Halemau'uma'u and Pu'u 'O'o, lava flows on coastal flat and weakly active ocean entries (updated 13 Aug 2013)
Lokon-Empung (North Sulawesi, Indonesia): small explosions, lava flow? (updated 25 Jul 2013)
Manam (Papua New Guinea): degassing, occasional ash venting (updated 28 Aug 2013)
Marapi (Western Sumatra, Indonesia): sporadic explosions (updated 27 Mar 2014)
Nishino-shima (Volcano Islands): lava effusion enlarging the new island (updated 19 Jun 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)
Reventador (Ecuador): intermittent explosions, lava fountaining and lava flow emission on 23-24 April (updated 19 Jun 2014)
Sakurajima (Kyushu, Japan): ash venting, intermittent explosions (updated 29 Jun 2014)
Sangeang Api (Indonesia): growing lava dome & lava flow (updated 23 Jun 2014)
Santa María / Santiaguito (Guatemala): generation of hot lahars (updated 19 Jun 2014)
Semeru (East Java, Indonesia): growing lava dome, ash venting and small to moderate explosions (updated 25 Jul 2012)
Shiveluch (Kamchatka): growing lava dome, incandescent avalanches, occasional explosions (updated 16 Jun 2014)
Sinabung (Sumatra, Indonesia): effusion of viscous lava, steaming, ash emissions (updated 27 May 2014)
Slamet (Central Java): strombolian explosions from central crater (updated 30 Apr 2014)
Stromboli (Eolian Islands, Italy): intense strombolian eruptions, spattering and occasional small lava overflows from several vents (updated 29 Jun 2014)
Suwanose-jima (Ryukyu Islands): strombolian activity in summit crater (updated 19 Jun 2014)
Ubinas (Peru): degassing, sporadic small explosions and ash venting (updated 26 Jun 2014)
Yasur (Tanna Island, Vanuatu): ash emissions, weak strombolian explosions (updated 14 Aug 2013)
Zhupanovsky (Kamchatka, Russia): ash emissions (updated 19 Jun 2014)

Eruption warning / minor activity:

Bezymianny (Central Kamchatka Depression): steaming, degassing (updated 18 Jun 2014)
Chirpoi (Kurile Islands, Russia): hot spot visible on satellite imagery (updated 1 May 2014)
Etna (Sicily, Italy): continuing weak strombolian activity from NSEC (updated 19 Apr 2014)
Heard (Australia, Southern Indian Ocean): possibly lava lake in summit crater (updated 27 May 2014)
Kavachi (Solomon Islands): no eruption since 2007 (updated 16 Jun 2014)
Kelud (East Java): steaming, activity at crater unknown (updated 2 Mar 2014)
Kerinci (Sumatra): seismic unrest (updated 5 Jun 2013)
Krakatau (Sunda Strait, Indonesia): degassing (updated 31 Mar 2014)
Medvezhia (Kurile Islands, Russia): strong steaming, thermal anomaly (updated 17 Jan 2013)
Nyamuragira (DRCongo): increased seismic activity (updated 13 Apr 2014)
Papandayan (West Java): strong hydrothermal activity, increased seismicity (updated 6 May 2013)
Piton de la Fournaise (La Réunion): short-lived eruption during 21-22 June (updated 23 Jun 2014)
Poas (Costa Rica): occasional small phreatic explosions, intense degassing (updated 23 Jun 2014)
Popocatépetl (Central Mexico): degassing, sporadic explosions, slowly growing lava dome (updated 19 Jun 2014)
Rabaul (Tavurvur) (New Britain, Papua New Guinea): weak ash explosions (updated 26 Aug 2013)
Rasshua (Central Kuriles)
Raung (East Java): strombolian activity in summit crater (updated 5 Aug 2013)
Rincón de la Vieja (Costa Rica): small phreatic eruption on 11 April (updated 6 Oct 2012)
Sacabaya (Northern Chile, Bolivia and Argentina)
San Cristobal (Nicaragua): possible ash emission on 11 April (updated 12 Apr 2014)
San Miguel (El Salvador): gas and ash emissions (updated 28 Jun 2014)
Sangay (Ecuador): degassing (updated 24 May 2013)
Shishaldin (United States, Aleutian Islands): possibly lava fountaining episodes in summit crater (updated 19 Jun 2014)
Soputan (North Sulawesi, Indonesia): degassing, seismic crisis, eruption warning (updated 1 May 2014)
Ulawun (New Britain, Papua New Guinea): degassing, ash venting (updated 5 Aug 2013)

Previous news
Tremor amplitude at Chaparrastique volcano over the past weeks (MARN)
Saturday, Jun 28, 2014
Dukono (Halmahera): (28 Jun) Explosive activity at the volcano continues at elevated levels. Ash-rich strombolian explosions produce a plume that rises 1-2 km above the crater sometimes extends up to approx. 100 km and is often visible on satellite imagery. ... [more]
Explosion at Ubinas volcano yesterday
Thursday, Jun 26, 2014
Pavlof (Alaska Peninsula, USA): (26 Jun) Eruptive activity at the volcano appears to have ceased, the Alaska Volcano Observatory (AVO) reports: ... [more]
Strong eruption from Stromboli's NE vent and a weak lava overflow
Wednesday, Jun 25, 2014
Stromboli (Eolian Islands, Italy): A lava overflow erupted from the NW hornito on Sunday and traveled approx. 200 m down the Sciara del Fuoco. This followed a particularly intense phase of activity at this vent, marked by frequent and strong explosions and continuous spattering. ... [more]
The new lava flow at Sangeang Api volcano (Photo: Aris Yanto)
Monday, Jun 23, 2014
Sangeang Api (Indonesia): The volcano continues to extrude a lava flow and produces a steam-and-ash plume that rises several 100 m from the crater. Seismic activity remains high. ... [more]
Saturday, Jun 21, 2014
Piton de la Fournaise (La Réunion): (21 Jun) A new eruption, the first after 3 1/2 years of repose, started at the volcano this morning at 01:35 local time, from a vent on the upper SE flank of the central crater (Dolomieu) cone. ... [more]

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