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Volcanic activity worldwide 13 Apr 2014: Popocatépetl, Nyamuragira, Momotombo, Karymsky, Dukono

Sun, 13 Apr 2014, 21:00
21:00 PM |
Small explosion at Popocatépetl yesterday morning (CENAPRED)
Small explosion at Popocatépetl yesterday morning (CENAPRED)
Current seismic signal at Momotombo volcano (MOMN station, INETER)
Current seismic signal at Momotombo volcano (MOMN station, INETER)
Degassing from a crater of Nyamuragira (source: Julien Paluku / Twitter: pic.twitter.com/oKmCMMrkVX)
Degassing from a crater of Nyamuragira (source: Julien Paluku / Twitter: pic.twitter.com/oKmCMMrkVX)
Karymsky (Kamchatka): (13 Apr) An eruption yesterday evening produced an ash plume that rose to estimated 14,000 ft (4.2 km) altitude.

Dukono (Halmahera): (13 Apr) Ash plumes from stronger (probably strombolian-type) explosions are regularly spotted on satellite imagery by VAAC Darwin.
The semi-permanently erupting volcano apparently continues to be in a relatively elevated phase of activity.

Popocatépetl (Central Mexico): (13 Apr) A slight increase of activity (but no significant change) was reported by CENAPRED. During 11-12 April, the volcano had 120 exhalations of small to medium intensity, some of which have been followed by emissions of steam, gas and sometimes small amounts of ash.
The most important of these were recorded yesterday morning at 02:19 and at 04:55 h (local time). The latter explosion threw some incandescent fragments to distances of approx. 100 m onto the upper eastern slope.
... [read more]

Momotombo (Nicaragua): (13 Apr) Seismicity in the volcanic chain between Momotombo and Apoyeque volcanoes remains high. Dozends of shallow earthquakes in the magnitude 3-5 range have been occurring daily in a cluster SE of Momotombo and near Apoyeque.
There are no reports of unusual activity at either volcano.

Nyamuragira (DRCongo): News started to spread on twitter and other media that a new eruption of the volcano started today, including pictures from the 2010 eruption as (false) evidence.
An overflight today by members of Nord-Kivu's government showed only intense degassing from a pit crater (but no lava erupting), although they suggested that "an eruption is imminent".
While it is difficult to judge the situation from the current sources available, it seems that the eruption reports are a case of rumor spreading faster than actual evidence.

Volcano Activity Summary for 13 Apr 2014:

Currently erupting:

Ambrym (Vanuatu): active lava lakes in several craters (updated 14 Aug 2013)
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 27 Mar 2014)
Colima (Western Mexico): extrusion of lava flow from summit, intermittent explosions (updated 10 Apr 2014)
Dukono (Halmahera): thermal anomaly, probably small explosive activity in summit crater (updated 13 Apr 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): lava flow from base of New SE crater, strombolian explosions / ash emissions from NSEC (updated 4 Feb 2014)
Fuego (Guatemala): frequent moderate to large strombolian explosions (updated 12 Apr 2014)
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): likely lava lake in summit crater (updated 1 Aug 2013)
Ibu (Halmahera, Indonesia): growing lava dome, occasional ash emissions (updated 30 Mar 2014)
Karkar (Northeast of New Guinea): possible ash eruption on 1 February (updated 27 Mar 2014)
Karymsky (Kamchatka): occasional small explosions, thermal anomaly (updated 13 Apr 2014)
Kavachi (Solomon Islands): no eruption since 2007 (updated 2 Feb 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)
Kizimen (Kamchatka): degassing (updated 22 Aug 2013)
Lokon-Empung (North Sulawesi, Indonesia): small explosions, lava flow? (updated 25 Jul 2013)
Manam (Papua New Guinea): degassing, occasional ash venting (updated 28 Aug 2013)
Marapi (Western Sumatra, Indonesia): sporadic explosions (updated 27 Mar 2014)
Merapi (Central Java, Indonesia): sporadic phreatic explosions (updated 27 Mar 2014)
Nishino-shima (Volcano Islands): lava effusion enlarging the new island (updated 7 Apr 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)
Reventador (Ecuador): extrusion of lava flows from summit, small pyroclastic flows, ash venting and intermittent explosions (updated 3 Apr 2014)
Sakurajima (Kyushu, Japan): ash venting, intermittent explosions (updated 24 Mar 2014)
Santa María / Santiaguito (Guatemala): Santiaguito volcano (Guatemala): lava flow on south flank of dome becomes more active (updated 10 Apr 2014)
Semeru (East Java, Indonesia): growing lava dome, ash venting and small to moderate explosions (updated 25 Jul 2012)
Shiveluch (Kamchatka): growing lava dome, incandescent avalanches, occasional explosions (updated 6 Apr 2014)
Sinabung (Sumatra, Indonesia): effusion of viscous lava, steaming, ash emissions (updated 10 Apr 2014)
Slamet (Central Java): mild strombolian activity from summit crater (updated 26 Mar 2014)
Stromboli (Eolian Islands, Italy): continuing lava overflows (updated 25 Jul 2013)
Suwanose-jima (Ryukyu Islands): strombolian to weak vulcanian explosions (updated 24 Feb 2014)
Tinakula (Santa Cruz Islands, Solomon Islands): increased activity at the volcano (updated 8 Feb 2013)
Tungurahua (Ecuador): strombolian activity, effusion of lava flow on upper NW flank (updated 12 Apr 2014)
Ubinas (Peru): frequent small to moderate explosions, sometimes ejecting incandescent lava (updated 12 Apr 2014)
Yasur (Tanna Island, Vanuatu): ash emissions, weak strombolian explosions (updated 14 Aug 2013)

Eruption warning / minor activity:

Aso (Kyushu): occasional weak ash emissions (updated 20 Feb 2014)
Bagana (Bougainville Island, Papua New Guinea): ash explosions (updated 11 Apr 2014)
Bezymianny (Central Kamchatka Depression): steaming, degassing (updated 10 Jun 2013)
Chirinkotan (Northern Kuriles): unspecified activity - possibly lava flows (updated 20 Feb 2014)
Chirpoi (Kurile Islands, Russia): hot spot visible on satellite imagery (updated 12 Mar 2014)
Cleveland (Aleutian Islands, Alaska): occasional small explosions (updated 2 Mar 2014)
Copahue (Chile/Argentina): seismic unrest (updated 21 Mar 2014)
Dieng (Central Java): increased degassing (updated 28 Mar 2013)
Galeras (Colombia): sporadic ash emissions (updated 25 Jul 2013)
Gamkonora (Halmahera): seismic swam, minor ash emissions (updated 27 May 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)
Kelud (East Java): steaming, activity at crater unknown (updated 2 Mar 2014)
Kerinci (Sumatra): seismic unrest (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, alert lowered (updated 30 Jul 2012)
Krakatau (Sunda Strait, Indonesia): degassing (updated 31 Mar 2014)
Langila (New Britain, Papua New Guinea): occasional ash explosions (updated 11 Feb 2013)
Medvezhia (Kurile Islands, Russia): strong steaming, thermal anomaly (updated 17 Jan 2013)
Nyamuragira (DRCongo): increased seismic activity (updated 13 Apr 2014)
Pacaya (Guatemala): weak strombolian activity in summit crater (updated 10 Apr 2014)
Papandayan (West Java): strong hydrothermal activity, increased seismicity (updated 6 May 2013)
Poas (Costa Rica): occasional small phreatic explosions, intense degassing (updated 30 Mar 2014)
Popocatépetl (Central Mexico): degassing, sporadic explosions, slowly growing lava dome (updated 13 Apr 2014)
Rabaul (Tavurvur) (New Britain, Papua New Guinea): weak ash explosions (updated 26 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)
San Cristobal (Nicaragua): possible ash emission on 11 April (updated 12 Apr 2014)
San Miguel (El Salvador): small explosions, seismic unrest, intense degassing (updated 10 Mar 2014)
Sangay (Ecuador): degassing (updated 24 May 2013)
Shishaldin (United States, Aleutian Islands): likely new dome building, weak explosions (updated 29 Mar 2014)
Turrialba (Costa Rica): ash venting, strong degassing (updated 24 Jul 2013)
Ulawun (New Britain, Papua New Guinea): degassing, ash venting (updated 5 Aug 2013)
White Island (New Zealand): strong degassing, volcanic tremor (updated 20 Aug 2013)

Previous news
Sat, 12 Apr 2014, 15:15
Strong explosion from Fuego this morning (INSIVUMEH)
Fuego (Guatemala): Activity at the volcano continues to increase and could be heading towards a new paroxysm with lava flows, strong explosions and potential pyroclastic flows. Constant avalanches were observed on the upper southern flank, which could be related to the opening of an effusive vent. ... read all
Fri, 11 Apr 2014, 21:00
Partial collapse on the NE flank of the New SE crater (Etna Trekking webcam on Schiena dell'Asino)
Etna (Sicily, Italy): A small event this morning at 08:09 (local time) from the New SE crater produced a reddish-brown ash plume generated by partial collapse on the eastern flank of the cone ... read all
Thu, 10 Apr 2014, 16:56
Evolution of Sinabung volcano's lava extrusion lobe (VSI)
Sinabung (Sumatra, Indonesia): Activity continues at the volcano in form of slow lava extrusion that feeds the thick lobe formed on the southern flank. Overall, the intensity of this activity continued to decrease. Authorities decreased the alert status from the highest (4) to 3 (on a scale of 1-4). ... read all
Wed, 9 Apr 2014, 21:00
Thermal image of Etna's eastern flank with the New SE crater (Monte Cagliato thermal webcam, INGV Catania)
Etna (Sicily, Italy): (9 Apr) After a few days of bad weather that have prevented detailed observations, it seems that all is quiet again. ... read all
Mon, 7 Apr 2014, 21:00
Aerial view of Nishinoshima on  24 March 2014 (Japan Coast Guard)
Nishino-shima (Volcano Islands): (7 Apr) The ongoing eruption continues to add new land to the island with what seems a relatively steady effusion of lava flows. A new overflight by the Japanese Coast Guard shows that at least the second vent that appeared in late January is still active, feeding lava flows that continue to spread and currently have active fronts all along the eastern coast. ... read all

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