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Volcanic activity worldwide 12 Jan 2014: Pacaya, Shiveluch, Sinabung, Etna

Sonntag Jan 12, 2014 17:03 |

Etna this morning
Etna this morning
Ash plume rising from Shiveluch volcano this morning (KVERT webcam)
Ash plume rising from Shiveluch volcano this morning (KVERT webcam)
MODIS hot spot data (past 7 days) for Pacaya volcano (ModVolc, Univ. Hawaii)
MODIS hot spot data (past 7 days) for Pacaya volcano (ModVolc, Univ. Hawaii)
Map of the lava flows from Pacaya today (CONRED)
Map of the lava flows from Pacaya today (CONRED)
Etna (Sicily, Italy): No significant changes have occurred. While the continuing unusually warm weather has stripped much of the snow on Etna's southern side, diffuse weak ash emissions are visible from the NE crater and tremor fluctuates at low levels.

Shiveluch (Kamchatka): An explosion or a pyroclastic flow from a partial lava dome collapse produced an ash plume rising to 28,000 ft (8.5 km) this morning. Views on the webcam show a plume but don't allow to see details what occurred at the lava dome.

Sinabung (Sumatra, Indonesia): Activity at the volcano remains unchanged. Eruptions with frequent small to medium-sized pyroclastic flows (up to 4-5 km length) continue and more than 25,000 people are reported evacuated. Problems caused by the extensive damage to crops and structures, health and infrastructure problems caused by the ongoing crisis with ash everywhere are increasing.
Recommended: Check out some great photos of the glowing lava dome, incandescent avalanches and a superb shot by Sutanta Aditya of a pyroclastic flow and related mushroom-shaped co-ignimbrite ash plume (lighter ash rising from the main body of the pyroclastic flow immediately after its emplacement) taken on 7 Jan.

Pacaya (Guatemala): According to INSIVUMEH, the eruption has considerably slowed down since last evening around 19:15 (local time), although weather prevented detailed observations. Activity at the summit decreased to moderate strombolian explosions with ejections reaching 100 m height and degassing.
The tremor signal is still saturated, suggesting that the effusion of lava continues. A strong thermal anomaly, corresponding to the new lava flows, is now visible on satellite data.
...11 Jan:
The ongoing eruption of the volcano involved the opening of at least two effusive fissure vents on the northern and southern base of the Mackenney cone (this info according to images and maps published by CONRED, although CONRED / INSIVUMEH at the same time report 3 vents on the east, west and south flank).
These fissures feed two large (and possibly one smaller third) lava flows that have reached lengths of 3-5 km length and are several hundred meters wide at their fronts (up to 800 m on the western side). The lava flows have burned extensive areas of farmland and woods and are close to some villages.
... [read more]

Volcano Activity Summary for 12 Jan 2014:

Currently erupting:

Ambrym (Vanuatu): active lava lakes in several craters (updated 5 Dec 2013)
Bagana (Bougainville Island, Papua New Guinea): ash explosions (updated 10 Dec 2013)
Batu Tara (Sunda Islands, Indonesia): strombolian explosions, ash plumes up to 500 m, extrusion of a small lava dome with rockfalls (updated 6 Nov 2013)
Colima (Western Mexico): explosions and lava flows (updated 5 Dec 2013)
Dukono (Halmahera): thermal anomaly, probably small explosive activity in summit crater (updated 5 Jan 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)
Etna (Sicily, Italy): degassing, seismic unrest (updated 29 Dec 2013)
Fuego (Guatemala): strombolian explosions (updated 10 Jan 2014)
Ibu (Halmahera, Indonesia): growing lava dome, seismic unrest (updated 23 Oct 2013)
Karymsky (Kamchatka): occasional small explosions, thermal anomaly (updated 2 Jan 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)
Nishino-shima (Volcano Islands, Japan): lava effusion enlarging the new island (updated 6 Jan 2014)
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): paroxysm with lava flows and strombolian activity on 10-11 Jan 2014 (updated 12 Jan 2014)
Reventador (Ecuador): ash explosions, occasional pyroclastic flows (updated 14 Nov 2013)
Sakurajima (Kyushu, Japan): ash venting, intermittent explosions (updated 9 Jan 2014)
Santa María / Santiaguito (Guatemala): Santiaguito volcano (Guatemala): lava flow on south flank of dome becomes more active (updated 9 Jan 2014)
Semeru (East Java, Indonesia): growing lava dome, ash venting and small to moderate explosions (updated 18 Oct 2013)
Shiveluch (Kamchatka): growing lava dome, incandescent avalanches, occasional explosions (updated 12 Jan 2014)
Sinabung (Sumatra, Indonesia): growing lava dome, pyroclastic flows, occasional explosions (updated 12 Jan 2014)
Stromboli (Eolian Islands, Italy): continuing lava overflows (updated 3 Nov 2013)
Suwanose-jima (Tokara Islands, Japan): strombolian to weak vulcanian explosions (updated 9 Jan 2014)
Yasur (Tanna Island, Vanuatu): ash emissions, weak strombolian explosions (updated 20 Nov 2013)
Zhupanovsky (Kamchatka, Russia): new explosive activity since 23 Oct (updated 6 Nov 2013)

Eruption warning / minor activity:

Barren Island (Indian Ocean): lava flows (?) (updated 23 Dec 2013)
Bezymianny (Central Kamchatka Depression): steaming, degassing (updated 2 Jan 2014)
Chaitén (Southern Chile and Argentina): degassing, possible renewed slow growth of lava dome (updated 24 Dec 2013)
Chirinkotan (Northern Kuriles): unspecified activity - possibly lava flows (updated 22 Nov 2013)
Copahue (Chile/Argentina): ash venting (updated 16 Nov 2013)
Dieng (Central Java): increased degassing (updated 28 Mar 2013)
Galeras (Colombia): sporadic ash emissions (updated 18 Dec 2013)
Heard (Australia, Southern Indian Ocean): likely lava lake in summit crater (updated 23 Dec 2013)
Iliwerung (Lesser Sunda Islands): possible submarine eruption from Mt Hobal on 20 August (updated 20 Aug 2013)
Jebel Zubair (Red Sea): no signs of activity after 24 Nov 2013 (updated 26 Nov 2013)
Karangetang (Siau Island, Sangihe Islands, Indonesia): lava extrusion at summit crater, strombolian activity, glowing avalanches (updated 4 Sep 2013)
Ketoi (Kurile Islands, Russia)
Kirishima (Kyushu): degassing, slightly increased seismic activity (updated 30 Jul 2012)
Kizimen (Kamchatka): degassing (updated 27 Dec 2013)
Langila (New Britain, Papua New Guinea): occasional ash explosions (updated 22 Nov 2013)
Lokon-Empung (North Sulawesi, Indonesia): small explosions, lava flow? (updated 24 Sep 2013)
Manam (Papua New Guinea): degassing, occasional ash venting (updated 5 Dec 2013)
Marapi (Western Sumatra, Indonesia): occasional ash explosions (updated 9 Jan 2014)
Pagan (Mariana Islands): steaming, thermal anomaly (updated 9 Jan 2014)
Paluweh (off Flores Island, Indonesia): active growing lava dome (updated 27 Dec 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 9 Jan 2014)
Rabaul (Tavurvur) (New Britain, Papua New Guinea): weak ash explosions (updated 9 Jan 2014)
Raung (East Java): strombolian activity in summit crater (updated 6 Jan 2014)
San Miguel (El Salvador): new eruption on 29 Dec 2013 (updated 8 Jan 2014)
Tangkubanparahu (West Java): occasional phreatic explosions (updated 15 Oct 2013)
Turrialba (Costa Rica): ash venting, strong degassing (updated 24 Jul 2013)

Vorherige Nachrichten
Ash plume from Etna's NE crater seen from Giarre
Samstag, Jan 11, 2014
Etna (Sicily, Italy): Activity remains unchanged. The Northeast crater produces a weak ash plume currently drifting east. Tremor levels are fluctuating, but generally low. ... [mehr]
Ash plume rising from the (hidden) NE crater of Etna this morning (Etna Trekking webcam Schiena dell'Asino)
Freitag, Jan 10, 2014
Etna (Sicily, Italy): Activity and tremor have decreased for now, but weak ash emissions continue to be observed from the NE crater. ... [mehr]
Ash emission from Etna's NE crater this morning
Donnerstag, Jan 09, 2014
Etna (Sicily, Italy): The activity of the volcano has remained similar to the previous days: so far, relatively weak but more or less steady ash emissions are occurring at the North-East crater, and tremor continues its slow rise. Whether this is a precursor to more vigorous activity (from the New SE crater?) remains to be seen probably in the coming days. ... [mehr]
Ash emission from Etna's NE crater
Mittwoch, Jan 08, 2014
Etna (Sicily, Italy): Weak sporadic ash emissions have been occurring from the NE crater since yesterday. Tremor is slightly elevated with an overall rising tendency. ... [mehr]
Pulsating degassing at the North-East crater view from Bove Valley (Photo: Emaunela / VolcanoDiscovery Italia)
Dienstag, Jan 07, 2014
Etna (Sicily, Italy): (6 Jan) This morning, the North-East Crater appeared to be covered by ash deposits and strong, pulsating degassing activity continued from it. The volcanic tremor signal is still low. ... [mehr]

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