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Volcanic activity worldwide 28 Jun 2013: Etna, Reventador, Veniaminof, Pavlov, Ambrym, Galeras, Telica, Cumbal

Friday Jun 28, 2013 15:19 PM |

SO2 plume from Ambrym volcano (NOAA)
SO2 plume from Ambrym volcano (NOAA)
MODIS hot spot data for Veniaminof volcano showing the area of fresh lava flows (ModVolc, Univ. Hawaii)
MODIS hot spot data for Veniaminof volcano showing the area of fresh lava flows (ModVolc, Univ. Hawaii)
This morning's seismic recording at Telica (TELN station, INETER)
This morning's seismic recording at Telica (TELN station, INETER)
Seismic recording from San Cristobal volcano (CRIN station, INETER)
Seismic recording from San Cristobal volcano (CRIN station, INETER)
Seismic recording from Masaya (MASN station, INETER)
Seismic recording from Masaya (MASN station, INETER)
Ash emissions from Galeras on 26 June (INGEOMINAS)
Ash emissions from Galeras on 26 June (INGEOMINAS)
Current webcam view of Reventador (IGPEN)
Current webcam view of Reventador (IGPEN)
Etna (Sicily, Italy): Except for a small swarm of earthquakes on 20 June, Etna continues to be calm.

Ambrym (Vanuatu): The lava lakes in Benbow and Ambrym craters have been very active during the recent weeks. A large SO2 plume is visible today on NOAA satellite data.

Pagan (Mariana Islands): The volcano continues to emit a strong steam and ash plume visible on satellite images. This activity has been typical of Pagan in the recent months, but no ash emissions could be detected.

Veniaminof (Alaska Peninsula, USA): Volcanic tremor and small explosions continue to be detected in seismic data indicating that the eruption of lava and minor amounts of ash and steam continues.
Satellite images obtained over the past 24 hours show elevated surface temperatures at the intracaldera cone. Web camera images from Perryville show a small light-colored plume rising above the intracaldera cone to just above the rim of the caldera to about 8,000 to 10,000 feet above sea level and night time images showed a persistent incandescent glow at the cone. (AVO)

Pavlov (Alaska Peninsula, USA): Eruptive activity is continuing, but at a much lower level than earlier this week. The level of seismicity over the past 24 hours has continued to decline and now consists primarily of low level continuous tremor. Periods of continuous tremor are likely associated with lava fountaining and minor ash production, but at this level, emission rates are probably very low.
Satellite data over the past 24 hours has shown strong thermal signals at the summit. Pilot reports from last evening have indicated that plumes are rising to levels not much above the summit of the volcano. AVO has received no reports of ash fall on nearby communities today. (AVO)

Telica (Nicaragua): A new earthquake swarm started this morning, visible on INETER's seismograms.

San Cristobal (Nicaragua): Seismic activity has been at normal, low levels during the recent days.

Masaya (Nicaragua): Seismic activity remains low.

Galeras (Colombia): Weak ash emissions occurred on Wednesday (26 June). Seismic activity otherwise has remained at low levels.

Cumbal (Colombia): INGEOMINAS reports a decrease in seismic activity during the past week, but maintains "yellow" alert level for the volcano.

Reventador (Ecuador): Weak eruptive activity continues with occasional steam and ash emissions during small explosions that create plumes reaching about 1 km.

Volcano Activity Summary for 28 Jun 2013:

Currently erupting:

Ambrym (Vanuatu): active lava lakes in several craters (updated 28 Jun 2013)
Bagana (Bougainville Island, Papua New Guinea): ash explosions (updated 7 Jun 2013)
Batu Tara (Sunda Islands, Indonesia): strombolian explosions, ash plumes up to 500 m, extrusion of a small lava dome with rockfalls (updated 3 Jun 2013)
Cleveland (Aleutian Islands, Alaska): continuous small eruptions (updated 6 May 2013)
Colima (Western Mexico): frequent explosions from growing lava dome, glowing rockfalls and small pyroclastic flows (updated 25 Apr 2013)
Dukono (Halmahera): thermal anomaly, probably small explosive activity in summit crater (updated 2 May 2013)
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 activity, new lava flow on upper southern flank (updated 27 Jun 2013)
Gamalama (Halmahera): ash eruptions since 17 Sep (updated 17 Sep 2012)
Grozny (Iturup Island): fumarolic activity (updated 3 Apr 2013)
Heard (Australia, Southern Indian Ocean): possible lava lake in summit crater (updated 2 May 2013)
Karkar (Northeast of New Guinea): possible ash eruption on 1 February (updated 15 Mar 2013)
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 12 Jun 2013)
Kizimen (Kamchatka): growing lava dome, lava flow on eastern flank, avalanches (updated 25 Jun 2013)
Lokon-Empung (North Sulawesi, Indonesia): frequent small to moderate ash explosions (updated 6 May 2013)
Nyiragongo (DRCongo): active lava lake in summit crater (updated 12 Jun 2013)
Ol Doinyo Lengai (Tanzania): spattering and lava flows of natrocarbonatite lava inside the summit crater (updated 9 Dec 2012)
Pacaya (Guatemala): steaming, degassing (updated 27 Jun 2013)
Paluweh (off Flores Island, Indonesia): active growing lava dome (updated 20 Jun 2013)
Popocatépetl (Central Mexico): strong degassing, ash explosions, growing lava dome (updated 27 Jun 2013)
Rabaul (Tavurvur) (New Britain, Papua New Guinea): ash emissions, small explosions (updated 14 Mar 2013)
Sakurajima (Kyushu, Japan): 0-3 weak to moderate vulcanian-style explosions per day, ash clouds up to 2-3 km altitude (updated 25 Jun 2013)
Santa María / Santiaguito (Guatemala): Santiaguito volcano (Guatemala): lava flow on south flank of dome becomes more active (updated 27 Jun 2013)
Semeru (East Java, Indonesia): growing lava dome, ash venting and small to moderate explosions (updated 25 Jul 2012)
Shiveluch (Kamchatka): slow dome growth, occasional explosions and pyroclastic flows (updated 27 Jun 2013)
Stromboli (Eolian Islands, Italy): continuing lava overflows (updated 6 Jun 2013)
Tinakula (Santa Cruz Islands, Solomon Islands): increased activity at the volcano (updated 8 Feb 2013)
Tolbachik (Kamchatka): effusion of fluid lava flows (updated 25 Jun 2013)
Veniaminof (Alaska Peninsula, USA): lava flow from intra-caldera cone (updated 28 Jun 2013)
Yasur (Tanna Island, Vanuatu): strong strombolian activity (level 3), crater currently closed (updated 29 May 2013)

Eruption warning / minor activity:

Bezymianny (Central Kamchatka Depression): slow lava flow extrusion from dome (updated 10 Jun 2013)
Chirpoi (Kurile Islands, Russia): thermal anomaly at summit crater, steaming (updated 9 Jan 2013)
Dieng (Central Java): increased degassing (updated 28 Mar 2013)
Etna (Sicily, Italy): steaming, degassing (updated 28 Jun 2013)
Galeras (Colombia): occasional ash emissions (updated 28 Jun 2013)
Gamkonora (Halmahera): seismic swam, minor ash emissions (updated 27 May 2013)
Gaua (Vanuatu): possible ash eruption on 29 april (updated 29 Apr 2013)
Ibu (Halmahera, Indonesia): growing lava dome, seismic unrest (updated 9 Jun 2013)
Karangetang (Siau Island, Sangihe Islands, Indonesia): hot spot visible at the summit (updated 9 Apr 2013)
Karymsky (Kamchatka): occasional small explosions, thermal anomaly (updated 4 Apr 2013)
Kerinci (Sumatra): occasional ash explosions (updated 5 Jun 2013)
Kikai (Ryukyu Islands): steaming at summit crater of Iodake, occasional weak glows (updated 5 Jun 2013)
Kirishima (Kyushu): degassing, slightly increased seismic activity (updated 30 Jul 2012)
Krakatau (Sunda Strait, Indonesia): occasional explosions (updated 27 Jun 2013)
Langila (New Britain, Papua New Guinea): occasional ash explosions (updated 11 Feb 2013)
Manam (Papua New Guinea): strombolian explosions, lava flow on southern flank (updated 25 Jun 2013)
Marapi (Western Sumatra, Indonesia): intermittent mild ash explosions (updated 17 Mar 2013)
Mayon (Luzon Island): phreatic explosions (updated 3 Jun 2013)
Medvezhia (Kurile Islands, Russia): strong steaming, thermal anomaly (updated 17 Jan 2013)
Merapi (Central Java): slowly growing lava dome, occasional small explosions (updated 15 Jun 2013)
Nevado del Ruiz (Colombia): sporadic ash emissions (updated 20 Jun 2013)
Nyamuragira (DRCongo): Fort dégazage du cratère sommital (updated 27 Apr 2012)
Papandayan (West Java): strong hydrothermal activity, increased seismicity (updated 6 May 2013)
Pavlov (Alaska Peninsula, USA): lava fountaining, lava flow on NW flank (updated 28 Jun 2013)
Poas (Costa Rica): Small phreatic explosions on 29 October (updated 1 May 2013)
Rasshua (Central Kuriles)
Reventador (Ecuador): steam and ash emissions (updated 28 Jun 2013)
Rincón de la Vieja (Costa Rica): small phreatic eruption on 11 April (updated 6 Oct 2012)
Sabancaya (Peru): seismic unrest (updated 11 Jun 2013)
Sacabaya (Northern Chile, Bolivia and Argentina)
Sangay (Ecuador): no recent explosions reported (updated 24 May 2013)
Suwanose-jima (Ryukyu Islands): steaming, occasional weak eruptions, elevated seismicity (updated 23 Feb 2013)
Turrialba (Costa Rica): ash venting, strong degassing (updated 22 May 2013)
Ulawun (New Britain, Papua New Guinea): ash emissions and rumblings heard (updated 23 Mar 2013)
Villarrica (Central Chile): weak deep-seated explosive activity, steaming (updated 20 Jan 2013)

Vorig nieuws

Thursday, Jun 27, 2013
Shiveluch (Kamchatka): A phase of intense activity occurred last night starting at 19:10 UTC, and lasting for about 40 minutes. The activity was probably a major collapse of the dome and/or accompanied by explosions. It produced a large ash plume rising to about 10-12 km altitude (VAAC Tokyo) into the atmosphere. Due to cloud cover, no direct observations could be made. ... [meer...]
Emission of ash and steam from Popocatépetl yesterday morning
Tuesday, Jun 25, 2013
Kizimen (Kamchatka): The lava dome remained active and produced hot avalanches on the western and eastern volcanic flanks. Moderate seismic activity and strong and moderate gas-steam activity accompany this process. Satellite data showed a thermal anomaly over the volcano. (KVERT) ... [meer...]
SO2 plume from Nevado del Ruiz 18 June (NOAA)
Thursday, Jun 20, 2013
Paluweh (off Flores Island, Indonesia): Activity from the lava dome continues with occasional explosions and / or collapse events, but has been decreasing over the past weeks. ... [meer...]
Eruption from Popocatepétl this morning
Wednesday, Jun 19, 2013
Tolbachik (Kamchatka): (18 Jun) KVERT reports no changes in the ongoing eruption of the volcano. Tremor levels remain stable and lava continues to be effused from the southern fissure vent. ... [meer...]
MODIS hot spot data for Veniaminof volcano showing the area of fresh lava flows (ModVolc, Univ. Hawaii)
Tuesday, Jun 18, 2013
Manam (Papua New Guinea): An eruption with a small ash plume was reported this morning and VAAC Darwin issued an advisory. A low level ash plume was also visible on Nasa's Aqua Modis image at 15:45 UTC. ... [meer...]

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