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Volcanic activity worldwide 11 Oct 2013: Etna, Klyuchevskoy, Tungurahua

Friday Oct 11, 2013 17:03 PM |

Map of yesterday's earthquakes under Etna (marker shows one of the two mag 2.7 events)
Map of yesterday's earthquakes under Etna (marker shows one of the two mag 2.7 events)
Strombolian activity of Tungurahua today (OVT/IGEPN)
Strombolian activity of Tungurahua today (OVT/IGEPN)
Etna (Sicily, Italy): (10 Oct) A swarm of shallow earthquakes occurred yesterday under the SE flank, below Monte Arcimis near Tarderia (Pedara) at depths of 2.7-5.6 km. The two largest events were magnitude 2.7 and felt by local residents.

Klyuchevskoy (Kamchatka): The KVERT reported this morning that a new flank eruption between the volcanoes Kliuchevskoi and Kamen began at around 8:20 UTC. The flank eruption consisted of a strong explosion that lasted around 10 minutes and ejected an ash plume 6-7 kilometres high which then drifted east.

Tungurahua (Ecuador): (10 Oct) The increase of activity continues. The Ecuadorian Instituto Geofísico (IGPEN) reported that seismic and visual activity increased since Sunday. The volcano currently produces mild to moderate strombolian activity, ejecting fresh lava bombs onto the upper slopes of the summit cone.
The seismic recordings show in increase in the number of events associated with internal fluid (magma) movements as well as emission/explosion signals.
... [read more]

Volcano Activity Summary for 11 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)
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 10 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 10 Oct 2013)
Grozny (Iturup Island): fumarolic activity (updated 3 Apr 2013)
Jebel Zubair (Red Sea): submarine eruption started 28 Sep 2013 (updated 2 Oct 2013)
Karkar (Northeast of New Guinea): possible ash eruption on 1 February (updated 15 Mar 2013)
Karymsky (Kamchatka): occasional small explosions, thermal anomaly (updated 7 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 1 Oct 2013)
Klyuchevskoy (Kamchatka): summit eruptions, flank eruption between Kliuchevskoi and Kamen (updated 11 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 10 Oct 2013)
Paluweh (off Flores Island, Indonesia): active growing lava dome (updated 12 Aug 2013)
Popocatépetl (Central Mexico): steam/gas/ash emissions (updated 10 Oct 2013)
Rabaul (Tavurvur) (New Britain, Papua New Guinea): explosions and ash emissions (updated 1 Oct 2013)
Rausu (Hokkaido)
Reventador (Ecuador): ash explosions, occasional pyroclastic flows (updated 9 Oct 2013)
Sakurajima (Kyushu, Japan): constant ash emissions and strong explosions (updated 9 Oct 2013)
Santa María / Santiaguito (Guatemala): Santiaguito volcano (Guatemala): lava flow on south flank of dome becomes more active (updated 10 Oct 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 1 Oct 2013)
Stromboli (Eolian Islands, Italy): continuing lava overflows (updated 10 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)
Tinakula (Santa Cruz Islands, Solomon Islands): increased activity at the volcano (updated 8 Feb 2013)
Tungurahua (Ecuador): degassing, earthquake swarm and inflation (updated 10 Oct 2013)
Ulawun (New Britain, Papua New Guinea): steaming, degassing (updated 1 Oct 2013)
Veniaminof (Alaska Peninsula, USA): effusion of lava flows (updated 9 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 1 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)
Galeras (Colombia): sporadic ash emissions (updated 25 Jul 2013)
Gamkonora (Halmahera): seismic swam, minor ash emissions (updated 27 May 2013)
Heard (Australia, Southern Indian Ocean): likely lava lake in summit crater (updated 3 Oct 2013)
Ibu (Halmahera, Indonesia): growing lava dome, seismic unrest (updated 9 Jun 2013)
Iliwerung (Lesser Sunda Islands): possible submarine eruption from Mt Hobal on 20 August (updated 20 Aug 2013)
Iwo-Tori-shima (Ryukyu Islands): possible small ash eruption on 6 July 2013 (updated 6 Jul 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)
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)
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)
Medvezhia (Kurile Islands, Russia): strong steaming, thermal anomaly (updated 17 Jan 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)
Nyamuragira (DRCongo): steaming/degassing from pit inside summit caldera (updated 18 Jul 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)
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)
Tangkubanparahu (West Java): occasional phreatic explosions (updated 7 Oct 2013)
Turrialba (Costa Rica): ash venting, strong degassing (updated 24 Jul 2013)
Ubinas (Peru): occasional phreatic explosions (updated 20 Sep 2013)
White Island (New Zealand): strong degassing, volcanic tremor (updated 9 Oct 2013)

Previous news
Current tremor signal (ESLN station, INGV Catania)
Thursday, Oct 10, 2013
Stromboli (Eolian Islands, Italy): Our friend Petra who climbed the volcano last night reports that activity is rather low at the moment. There were no explosions observed during the time spent at the summit (about one hour). ... [more]
Showa crater of Sakurajima with glow from strombolian activity this evening
Wednesday, Oct 09, 2013
Sakurajima (Kyushu, Japan): The volcano has had less (vulcanian) explosions, but showed near-constant strombolian activity and ash emissions today: ... [more]
Eruption from Klyuchevskoy volcano, Kamchatka (Photo: Sergey Krasnoshchokov).
Tuesday, Oct 08, 2013
Etna (Sicily, Italy): (7 Oct) Sporadic weak explosions from the New SE crater have continued. Currently, there are no signs of increasing activity. ... [more]
View of active vent area from the summit on 4 October 2013. Note how the active vent area in the centre has moved to the left and the pinky-red landslide debris in the foreground. (GeoNet)
Monday, Oct 07, 2013
Tangkubanparahu (West Java): (6 Oct) Phreatic eruptions occurred from the crater on Saturday and Sunday morning (at 06.21 and 03:37 WIB, respectively). The eruptions lasted about 10 minutes and produced small ash plumes. Volcanologists measured strong tremor accompanying the eruptions. ... [more]
Ash emission from Etna's New SE crater this morning
Sunday, Oct 06, 2013
Etna (Sicily, Italy): The New SE crater has resumed weak, sporadic strombolian activity with small ash emissions. This goes along with an increase of the tremor signal today. The situation is certainly worth following! ... [more]

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