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Volcanic activity worldwide 19 Jan 2015: Santiaguito volcano, Fuego, Karymsky, Soputan, Dukono, Bard...

Montag Jan 19, 2015 15:57 |

Observed caldera subsidence versus time - if the modeled curve is correct, it should flatten out in March this year and might mean the end of the eruption (source: visir.is)
Observed caldera subsidence versus time - if the modeled curve is correct, it should flatten out in March this year and might mean the end of the eruption (source: visir.is)
Thermal Landsat 8 image of Nishino-Shima from 12 Jan 2015 (GSI via Culture Volcan)
Thermal Landsat 8 image of Nishino-Shima from 12 Jan 2015 (GSI via Culture Volcan)
The new lava spine at Sinabung (Leopold Kennedy Adam ‏@LeopoldAdam / twitter)
The new lava spine at Sinabung (Leopold Kennedy Adam ‏@LeopoldAdam / twitter)
Glowing rockfalls and lava flow on the western slope of Soputan (Fiqman Sunandar/Metronews)
Glowing rockfalls and lava flow on the western slope of Soputan (Fiqman Sunandar/Metronews)
Current seismic signal at Fuego (FG3 station, INSIVUMEH)
Current seismic signal at Fuego (FG3 station, INSIVUMEH)
Earthquake locations at Chiles volcano during 1-8 Jan 2015 (IGEPN)
Earthquake locations at Chiles volcano during 1-8 Jan 2015 (IGEPN)
Bardarbunga (Central Iceland): According to Icelandic volcanologist Haraldur Sigurðsson, it is reasonable to predict that the eruption might be ending in March this year.
This audacious prediction is based on extrapolating the observed ongoing slow subsidence ("collapse") of the central volcano's caldera floor, located under 800 m of ice, and assuming that it is a direct indicator of the magma erupted at the Holuhraun fissure.
... [read more]

Karymsky (Kamchatka): A small volcanic ash plume was reported this morning extending ESE from the volcano. Karymsky has intermittent strombolian to vulcanian explosions.

Zhupanovsky (Kamchatka, Russia): Intermittent ash emissions continue from the volcano. This morning Tokyo VAAC reported a small plume at flight level 120 (12,000 ft / 3.6 km altitude) extending SE.

Nishino-shima (Volcano Islands, Japan): The island continues to grow with lava flows, which recently have been mostly active towards the east from the main vent, while most growth during Nov-Dec had been towards the north, where a vast plateau has been built.
Sea erosion already has visibly modified the shape of the island, creating sandy beaches in some places and smoothing out its shores.

Sinabung (Sumatra, Indonesia): Effusion of viscous lava from the summit vent still continues, but has been at slower rates over the past days and weeks. Fewer rockfalls and pyroclastic flows have occurred recently.
An interesting development, however, is the appearance of a so-called "spine" at the lava dome: a vertical mass of lava that has been pushed out of the main mass of the dome.
... [read more]

Soputan (North Sulawesi, Indonesia): A viscous lava flow lobe is active on the western flank of the summit cone. Spectacular incandescent rockfalls accompany this effusive activity.
According to volcano chaser John Seach on twitter, an explosion occurred earlier today, producing a 20,000 ft ash plume and pyroclastic flows. Although this information has not been confirmed by other sources, the eruption, similar to Sinabung's still ongoing one, is entering a potentially very dangerous phase.
A safety radius of 6.5 km around the volcano's summit is in place.

Dukono (Halmahera): A moderately strong ash emission, possibly due to increased explosive activity, was reported this morning, reaching 9,000 ft / 2.7 km altitude. (Darwin VAAC)

Santiaguito (Guatemala): No significant change has occurred recently. The lava flow on the eastern side of the dome remains weakly active. Weak explosions occur from time to time.

Fuego (Guatemala): Activity remains elevated. The volcano observatory reports 4-5 explosions per hour, often strong with ash plumes rising more than 1 km above the crater and drifting 10-12 km.
Incandescent material is seen ejected to 100-150 m above the crater. Shock waves rattle windows and roofs of homes near the volcano and weak ashfall occurred in the town of Yepocapa and the village Ojo de Agua.

Cerro Negro de Mayasquer (Colombia): Seismic activity remains high with an average of almost 1200 small quakes detected on a daily basis under the Chiles volcano.
However, it has been decreasing overall compared to last year and no events were large enough to be felt recently.

Sangay (Ecuador): A hot spot was detected in satellite data (Washington VAAC), suggesting that some mild activity continues in the summit crater of this remote volcano, one of South America's most active.

Volcano Activity Summary for 19 Jan 2015:

Currently erupting:

Ambrym (Vanuatu): active lava lakes in several craters (updated 14 Aug 2013)
Aso (Kyushu): intense strombolian activity from main vent in Nakadake crater (updated 18 Jan 2015)
Bagana (Bougainville Island, Papua New Guinea): ash emissions, lava dome growth (updated 10 Nov 2014)
Bardarbunga (Central Iceland): lava lake, sporadic fountains, lava flow (updated 18 Sep 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 4 Nov 2014)
Colima (Western Mexico): slowly growing lava dome, occasional explosions (updated 18 Jan 2015)
Copahue (Chile/Argentina): ash venting (updated 4 Dec 2014)
Daikoku (Volcano Islands): underwater eruption discovered on 14 Dec 2014 (updated 22 Dec 2014)
Dukono (Halmahera): thermal anomaly, probably small explosive activity in summit crater (updated 19 Jan 2015)
Erebus (Antarctica): active lava lake in summit crater (updated 8 Dec 2014)
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 19 Jan 2015)
Gamalama (Halmahera): new eruption on 18 Dec 2014 (updated 22 Dec 2014)
Hunga Tonga-Hunga Ha'apai (Tonga, Tonga Islands): surtseyan activity, growing new island (updated 16 Jan 2015)
Ibu (Halmahera, Indonesia): stromolian and phreatomagmatic explosions (updated 14 Nov 2014)
Karymsky (Kamchatka): occasional small explosions, thermal anomaly (updated 19 Jan 2015)
Kilauea (Hawai'i): new lava flow from vents on NE flank of Pu'u 'O'o (updated 13 Aug 2013)
Kliuchevskoi (Kamchatka): strombolian activity at summit crater, possible short lava flow (updated 18 Jan 2015)
Manam (Papua New Guinea): degassing, occasional ash venting (updated 28 Aug 2013)
Marapi (Western Sumatra, Indonesia): sporadic explosions (updated 27 Mar 2014)
Nasu (Honshu)
Nishino-shima (Volcano Islands, Japan): growing island (updated 19 Jan 2015)
Nyamuragira (DRCongo): active lava lake (updated 29 Nov 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)
Poas (Costa Rica): phreatic explosions (updated 14 Oct 2014)
Popocatépetl (Central Mexico): degassing, sporadic explosions, slowly growing lava dome (updated 3 Jan 2015)
Rabaul (Tavurvur) (New Britain, Papua New Guinea): lava fountains, ash emissions from Tavurvur cone (updated 12 Sep 2014)
Raung (East Java): mild strombolian activity in summit crater (updated 2 Dec 2014)
Reventador (Ecuador): lava flow on southwestern flank, intermittent explosions (updated 7 Dec 2014)
Sakurajima (Kyushu, Japan): ash venting, intermittent explosions (updated 5 Jan 2015)
Sangeang Api (Indonesia): growing lava dome & lava flow (updated 7 Jul 2014)
Santiaguito (Guatemala): small explosions from the Caliente dome and active lava flow (updated 19 Jan 2015)
Semeru (East Java, Indonesia): growing lava dome, lava flow, strombolian activity (updated 26 Nov 2014)
Shiveluch (Kamchatka): growing lava dome, incandescent avalanches, occasional explosions (updated 18 Jan 2015)
Sinabung (Sumatra, Indonesia): continuing pyroclastic flows (updated 19 Jan 2015)
Soputan (North Sulawesi, Indonesia): active viscous lava flow, explosions, rockfalls, pyroclastic flows (updated 19 Jan 2015)
Tungurahua (Ecuador): moderate to strong strombolian explosions from central crater (updated 25 Sep 2014)
Ubinas (Peru): degassing, sporadic small explosions and ash venting (updated 11 Sep 2014)
Yasur (Tanna Island, Vanuatu): ash emissions, weak strombolian explosions (updated 14 Aug 2013)
Zhupanovsky (Kamchatka, Russia): intermittent ash emissions (updated 19 Jan 2015)

Eruption warning / minor activity:

Augustine (Cook Inlet (SW Alaska))
Bezymianny (Central Kamchatka Depression): steaming, weak seismic activity (updated 3 Jul 2014)
Chirinkotan (Northern Kuriles): unspecified activity - possibly lava flows (updated 12 Jan 2015)
Chirpoi (Kurile Islands, Russia): hot spot visible on satellite imagery (updated 12 Jan 2015)
Etna (Sicily, Italy): sporadic weak ash emissions from New SE crater (updated 19 Apr 2014)
Fogo (Cape Verde): decreasing lava effusion (updated 12 Jan 2015)
Heard (Australia, Southern Indian Ocean): possibly lava lake in summit crater (updated 5 Dec 2014)
Karangetang (Siau Island, Sangihe Islands, Indonesia): incandescent lava dome (updated 24 Oct 2014)
Kavachi (Solomon Islands): no eruption since 2007 (updated 16 Jun 2014)
Kerinci (Sumatra): seismic unrest (updated 5 Jun 2013)
Kirishima (Kyushu): degassing, alert lowered (updated 25 Oct 2014)
Krakatau (Sunda Strait, Indonesia): degassing (updated 31 Mar 2014)
Kuchinoerabu-jima (Ryukyu Islands): explosion on 3 Aug 2014 (updated 5 Dec 2014)
Lokon-Empung (North Sulawesi, Indonesia): small explosions, lava flow? (updated 13 Sep 2014)
Lopevi (Vanuatu ): eruption warning (updated 16 Dec 2014)
Mayon (Luzon Island): steaming (updated 18 Dec 2014)
Monowai (Kermandec Islands, New Zealand): frequent submarine eruptions, last confirmed during Oct 2014 (updated 14 Nov 2014)
Nevado del Ruiz (Colombia): ash emissions (updated 16 Dec 2014)
Ontake-san (Honshu): steaming, low seismic activity (updated 18 Dec 2014)
Pacaya (Guatemala): ash emissions, thermal anomaly in Mackenney crater (updated 15 Jan 2015)
Papandayan (West Java): strong hydrothermal activity, increased seismicity (updated 6 May 2013)
Pavlof (Alaska Peninsula, USA): steaming, elevated seismic activity (updated 22 Dec 2014)
Piton de la Fournaise (La Réunion): short-lived eruption during 21-22 June (updated 4 Dec 2014)
Rasshua (Central Kuriles)
Rincón de la Vieja (Costa Rica): phreatic explosions from crater lake (updated 21 Sep 2014)
Sabancaya (Peru): steaming, elevated seismic activity (updated 10 Nov 2014)
Sacabaya (Northern Chile, Bolivia and Argentina)
San Cristobal (Nicaragua): possible ash emission on 11 April (updated 12 Apr 2014)
Sangay (Ecuador): degassing (updated 19 Jan 2015)
Shishaldin (United States, Aleutian Islands): mild explosive activity, intermittent more intense phases (updated 12 Jan 2015)
Slamet (Central Java): intense strombolian explosions (updated 12 Jan 2015)
Stromboli (Eolian Islands, Italy): weak strombolian activity at summit vents (updated 13 Jan 2015)
Suwanose-jima (Ryukyu Islands): strombolian activity in summit crater (updated 5 Jan 2015)
Turrialba (Costa Rica): occasional ash emissions (updated 9 Dec 2014)
Ulawun (New Britain, Papua New Guinea): degassing, ash venting (updated 5 Aug 2013)
Villarrica (Central Chile): deep-seated strombolian explosions in summit crater (updated 18 Dec 2014)

Vorherige Nachrichten
Strombolian activity at Klyuchevskoy at dusk (KVERT webcam)
Sonntag, Jan 18, 2015
Kliuchevskoi (Kamchatka): Mild strombolian activity continues at the summit crater, producing small ash plumes that drift one after the other from the volcano. A short lava flow might still be active on the southeast side, but this is not certain from available imagery. ... [mehr]
Dilute ash emissions from Etna's NE crater on 15 Jan 2015 (Etnatrekking webcam Linguaglossa)
Samstag, Jan 17, 2015
Etna (Sicily, Italy): (16 Jan) Unrest continues at the summit craters. After strombolian activity from the Central Crater (Voragine) had ceased around 13 Jan, weak ash emissions occurred from the North-East crater yesterday. ... [mehr]
Eruption between Hunga Tonga and Hunga Ha’apai island on 15 Jan (New Zealand High Commission)
Freitag, Jan 16, 2015
Hunga Tonga-Hunga Ha'apai (Tonga, Tonga Islands): A new island is now growing at the eruption site between Hunga Ha’apai and Hunga Tonga Islands. As of yesterday, it had an east-west elongated 1.5-2 km long and approx. 1 km wide shape with a half-open cone around the crater reaching almost 100 m in height already. ... [mehr]
Weak incandescent spot, but no degassing from Mackenney crater on 8 Jan 2015 (Landsat 8 image / processed by Rudiger Escobar Wolf @rudigerescobar / twitter)
Donnerstag, Jan 15, 2015
Pacaya (Guatemala): The volcano is becoming active again. In a special bulletin yesterday, INSIVUMEH reported that ash emissions occurred from the volcano. ... [mehr]
Mittwoch, Jan 14, 2015
Dukono (Halmahera): Ash emissions continue. A stronger phase of activity last night produced a plume at estimated 7,000 ft (2.1 km) extending 25 km to the southeast. (Darwin VAAC) ... [mehr]

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