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Volcanic activity worldwide 23 Oct 2013: Ibu, Stromboli, Karymsky, Dukono, Veniaminof, Etna

Wednesday Oct 23, 2013 17:03 PM |

MODIS hot spot data (past 7 days) for Ibu volcano (ModVolc, Univ. Hawaii)
MODIS hot spot data (past 7 days) for Ibu volcano (ModVolc, Univ. Hawaii)
Current seismic recording from Veniaminof (VNHG station, AVO)
Current seismic recording from Veniaminof (VNHG station, AVO)
Stromboli (Eolian Islands, Italy): According to the local mountain guides from Magmatrek, activity has increased significantly during the past 3 days, especially at the NW vent. A group of VolcanoDiscovery has arrived on the island and will report in more detail in the following days.

Etna (Sicily, Italy): After about 10 days of near complete quiet, a faint red glow was observed early on 22 Oct at the New SE crater. The origin of the glow seems to have been increased degassing from the summit vent and the at the fumaroles in the saddle between the old and New SE cone.

Karymsky (Kamchatka): An explosion yesterday produced an ash plume rising to 7,000 ft (2.1 km) and drifting SE, VAAC Tokyo reported.

Ibu (Halmahera, Indonesia): Hot spots at the summit have become larger and more frequently observed on recent MODIS satellite data. This indicates that activity has become more intense at the volcano with its active lava dome.

Dukono (Halmahera): The semi-persistent explosive activity of strombolian to vulcanian type has been at elevated levels recently. The volcano produced ash plumes rising to 9,000 ft (2.7 km) altitude yesterday as well as this morning.
Our friend Aris reported from a recent visit to the volcano that bombs during this activity were ejected to up to 1.5 km distance from the active crater.

Veniaminof (Alaska Peninsula, USA): No new eruptive activity has been observed recently and MODIS satellite data no longer show hot spots. Seismicity remains above background levels, and AVO maintains alert level yellow.

Volcano Activity Summary for 23 Oct 2013:

Currently erupting:

Ambrym (Vanuatu): active lava lakes in several craters (updated 16 Sep 2013)
Bagana (Bougainville Island, Papua New Guinea): ash explosions (updated 3 Oct 2013)
Barren Island (Indian Ocean): new eruption in mid October 2013 (updated 17 Oct 2013)
Batu Tara (Sunda Islands, Indonesia): strombolian explosions, ash plumes up to 500 m, extrusion of a small lava dome with rockfalls (updated 10 Oct 2013)
Chirinkotan (Northern Kuriles): unspecified activity - possibly lava flows (updated 2 Sep 2013)
Cleveland (Aleutian Islands, Alaska): continuous small eruptions (updated 6 May 2013)
Colima (Western Mexico): lava flow on upper eastern flank (updated 19 Jul 2013)
Dukono (Halmahera): thermal anomaly, probably small explosive activity in summit crater (updated 23 Oct 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): lava flow on upper southern flank, small to moderate explosions (updated 22 Oct 2013)
Ibu (Halmahera, Indonesia): growing lava dome, seismic unrest (updated 23 Oct 2013)
Jebel Zubair (Red Sea): submarine eruption started 28 Sep 2013 (updated 17 Oct 2013)
Karymsky (Kamchatka): occasional small explosions, thermal anomaly (updated 23 Oct 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 13 Aug 2013)
Kizimen (Kamchatka): growing lava dome and incandescent rock avalanches (updated 15 Oct 2013)
Klyuchevskoy (Kamchatka): ash emissions to 20-30,000 ft, lava fountains, lava flows (updated 22 Oct 2013)
Marapi (Western Sumatra, Indonesia): occasional weak explosions (updated 14 Aug 2013)
Nyiragongo (DRCongo): active lava lake in summit crater (updated 12 Jun 2013)
Ol Doinyo Lengai (Tanzania): effusion of natrocarbonatite lava inside the crater (updated 8 Jul 2013)
Pacaya (Guatemala): strombolian activity and lava flow (updated 22 Oct 2013)
Paluweh (off Flores Island, Indonesia): active growing lava dome (updated 12 Aug 2013)
Rabaul (Tavurvur) (New Britain, Papua New Guinea): explosions and ash emissions (updated 1 Oct 2013)
Reventador (Ecuador): ash explosions, occasional pyroclastic flows (updated 17 Oct 2013)
Sakurajima (Kyushu, Japan): constant ash emissions and strong explosions (updated 15 Oct 2013)
Santa María / Santiaguito (Guatemala): Santiaguito volcano (Guatemala): lava flow on south flank of dome becomes more active (updated 22 Oct 2013)
Semeru (East Java, Indonesia): growing lava dome, ash venting and small to moderate explosions (updated 18 Oct 2013)
Shiveluch (Kamchatka): slow dome growth, occasional explosions and pyroclastic flows (updated 22 Oct 2013)
Stromboli (Eolian Islands, Italy): continuing lava overflows (updated 23 Oct 2013)
Suwanose-jima (Ryukyu Islands): Mt Ontake volcano of Suwanose-jima Island, Japan (updated 12 Sep 2013)
Telica (Nicaragua): normal (low) seismic activity (updated 26 Sep 2013)
Tungurahua (Ecuador): strombolian activity, strong ash emissions (updated 19 Oct 2013)
Ulawun (New Britain, Papua New Guinea): steaming, degassing (updated 1 Oct 2013)
Yasur (Tanna Island, Vanuatu): strong strombolian activity (level 3), crater currently closed (updated 10 Sep 2013)

Eruption warning / minor activity:

Bezymianny (Central Kamchatka Depression): slow lava flow extrusion from dome (updated 13 Oct 2013)
Chirpoi (Kurile Islands, Russia): hot spot visible on satellite imagery (updated 14 Oct 2013)
Dieng (Central Java): increased degassing (updated 28 Mar 2013)
Etna (Sicily, Italy): sporadic ash emissions from New SE crater (updated 10 Oct 2013)
Heard (Australia, Southern Indian Ocean): likely lava lake in summit crater (updated 3 Oct 2013)
Iliwerung (Lesser Sunda Islands): possible submarine eruption from Mt Hobal on 20 August (updated 20 Aug 2013)
Karangetang (Siau Island, Sangihe Islands, Indonesia): lava extrusion at summit crater, strombolian activity, glowing avalanches (updated 4 Sep 2013)
Kerinci (Sumatra): occasional ash explosions (updated 5 Jun 2013)
Ketoi (Kurile Islands, Russia)
Kirishima (Kyushu): degassing, slightly increased seismic activity (updated 30 Jul 2012)
Langila (New Britain, Papua New Guinea): occasional ash explosions (updated 11 Feb 2013)
Lokon-Empung (North Sulawesi, Indonesia): small explosions, lava flow? (updated 24 Sep 2013)
Manam (Papua New Guinea): occasional explosions (updated 12 Sep 2013)
Merapi (Central Java): moderate gas and ash plume on 22 july (updated 3 Oct 2013)
Nevado del Ruiz (Colombia): seismic unrest (updated 7 Oct 2013)
Papandayan (West Java): strong hydrothermal activity, increased seismicity (updated 6 May 2013)
Poas (Costa Rica): occasional small phreatic explosions from lake (updated 22 Aug 2013)
Popocatépetl (Central Mexico): steam/gas/ash emissions (updated 23 Oct 2013)
Raung (East Java): strombolian activity in summit crater (updated 5 Aug 2013)
Tangkubanparahu (West Java): occasional phreatic explosions (updated 15 Oct 2013)
Turrialba (Costa Rica): ash venting, strong degassing (updated 24 Jul 2013)
White Island (New Zealand): strong degassing, volcanic tremor (updated 13 Oct 2013)

Previous news
Klyuchevskoy volcano this morning (KVERT webcam)
Tuesday, Oct 22, 2013
Klyuchevskoy (Kamchatka): The violent explosive phase of the eruption ended at 13:00 UTC on October 20. KVERT reported a decrease of the tremor from 150.4 mcm/s to 3.3 mcm/s and the cessation of ash emission that last reached 26,000 ft (8 km) altitude. ... [more]
The large ash plume from Klyuchevskoy drifting east over Kamchatka this morning (Terra satellite image)
Saturday, Oct 19, 2013
Klyuchevskoy (Kamchatka): Strong explosive and effusive activity continues. KVERT monitors the situation closely and issues alerts every few hours. Last evening, ash emissions again reached almost 30,000 ft (8-9 km) altitude. "The ash plume this morning has decreased in height to 21,300-24,600 ft (6.5-7 km) a.s.l. but by now, an ash plume dangerous for aviation is extending about 736 mi (1188 km) to the south-east and east of the volcano (satellite data at 0135 UTC on October 19, 2013)." Video of last night's impressive activity with lava fountains and lava flows all over the flanks of the volcano: ... [more]
Ash column rising from Klyuchevskoy volcano this morning
Friday, Oct 18, 2013
Klyuchevskoy (Kamchatka): After perhaps a short decrease in activity or more likely, simply the absence of direct observations due to bad weather, the volcano continues to erupt violently with lava fountains from the summit and lava flows on the flank: ... [more]
Ash explosion at Reventador volcano this morning
Thursday, Oct 17, 2013
Klyuchevskoy (Kamchatka): VAAC Anchorage sent out a message shortly before midnight (UTC) that the "eruption has ended" based on the absence of ash emissions from satellite imagery and pilot observations. This followed a particularly strong explosive phase that apparently occurred last night, when seismic data suggested strong emissions and an ash plume rose to possibly 33,000 ft (10 km) altitude. Webcam images from last night showed strong glow from lava flows and summit activity, but today the volcano has been hidden in clouds and no direct views have been possible so far. ... [more]
Klyuchevskoy volcano this morning (KVERT webcam)
Wednesday, Oct 16, 2013
Klyuchevskoy (Kamchatka): Strong eruptive activity continues. VAAC Tokyo reports an ash plume rising to estimated 33,000 ft (10 km) altitude, i.e. about 5 km tall above the volcano, and drifting SW. ... [more]

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