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Volcanic activity worldwide 30 Oct 2015: Shiveluch volcano, Mauna Loa, Piton de la Fournaise

Friday Oct 30, 2015 21:00 PM |

The pyroclastic flow (lower right) and ash plume from Shiveluch volcano yesterday morning
The pyroclastic flow (lower right) and ash plume from Shiveluch volcano yesterday morning
Shiveluch (Kamchatka): (30 Oct) The volcano's activity seems to have picked up a bit compared to recent weeks. A partial collapse of the active dome generated a pyroclastic flow that traveled several km to the south, accompanied by an ash plume that rose to 4-4.5 km altitude and drifted east.

Mauna Loa (Big Island, Hawai'i): (30 Oct) Seismic unrest continues at the volcano, but at lower levels than during mid-late summer, HVO reports:
"Earthquakes occurred beneath Mauna Loa's upper Southwest Rift Zone at depths less than 13 km (8 miles). Deformation data are still consistent with inflation of magma reservoirs beneath Mauna Loa's summit and upper Southwest Rift Zone."

Piton de la Fournaise (La Réunion): (30 Oct) Another (the third) eruptive phase began at the volcano yesterday evening. From 16:00 local time, the volcano observatory recorded an increase in tremor and new lava was seen in the vent after 20:00.
Shortly after 04:00 this morning, activity intensified further and formed a new active lava pond inside the large new crater that had formed early in the eruption near Piton Rivals. The activity is currently observable from the path leading to Piton Bert.

Volcano Activity Summary for 30 Oct 2015:

Currently erupting:

Ambrym (Vanuatu): active lava lakes in several craters (updated 24 May 2015)
Aso (Kyushu): steaming, occasional phreatomagmatic or strombolian explosions (updated 26 Oct 2015)
Bagana (Bougainville Island, Papua New Guinea): mild ash emissions (updated 26 Oct 2015)
Batu Tara (Sunda Islands, Indonesia): strombolian explosions, ash plumes up to 500 m, extrusion of a small lava dome with rockfalls (updated 26 Oct 2015)
Colima (Western Mexico): intermittent explosions from summit crater (updated 20 Oct 2015)
Cotopaxi (Ecuador): vulcanian explosions (updated 16 Aug 2015)
Dukono (Halmahera): thermal anomaly, probably small explosive activity in summit crater (updated 26 Oct 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): lava fountaining, strong strombolian activity, lava flows (updated 16 Oct 2015)
Gamalama (Halmahera): new eruption on 18 Dec 2014 (updated 8 Sep 2015)
Ibu (Halmahera, Indonesia): stromolian and phreatomagmatic explosions (updated 29 Oct 2015)
Karangetang (Siau Island, Sangihe Islands, Indonesia): lava flow, incandescent avalanches (updated 21 Oct 2015)
Karymsky (Kamchatka): occasional small explosions, thermal anomaly (updated 20 Oct 2015)
Kilauea (Hawai'i): new lava flow from vents on NE flank of Pu'u 'O'o (updated 28 Apr 2015)
Kliuchevskoi (Kamchatka): ash emissions, weak strombolian activity (updated 11 May 2015)
Manam (Papua New Guinea): large explosion on 31 July 2015 (updated 31 Aug 2015)
Nevado del Ruiz (Colombia): intermittent ash emissions, strong degassing (updated 21 Sep 2015)
Nishino-shima (Volcano Islands, Japan): growing island (updated 21 Oct 2015)
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)
Pacaya (Guatemala): weak strombolian activity in summit crater (updated 18 Aug 2015)
Piton de la Fournaise (La Réunion): lava effusion from new vent near Piton Rivals (updated 30 Oct 2015)
Popocatépetl (Central Mexico): degassing, sporadic explosions, slowly growing lava dome (updated 18 Aug 2015)
Rabaul (Tavurvur) (New Britain, Papua New Guinea): lava fountains, ash emissions from Tavurvur cone (updated 12 Sep 2014)
Reventador (Ecuador): lava flow on SW flank (updated 17 Aug 2015)
Sakurajima (Kyushu, Japan): seismic swarm, eruption warning (updated 23 Oct 2015)
Sangay (Ecuador): likely strombolian eruptions at summit crater (updated 13 Mar 2015)
Santiaguito (Guatemala): slowly growing lava dome, ash explosions, viscous lava flow extrusion, occasional pyroclastic flows (updated 1 Oct 2015)
Semeru (East Java, Indonesia): growing lava dome, lava flow, strombolian activity (updated 16 Jun 2015)
Shiveluch (Kamchatka): growing lava dome (updated 30 Oct 2015)
Sinabung (Sumatra, Indonesia): continuing pyroclastic flows (updated 20 Oct 2015)
Stromboli (Eolian Islands, Italy): weak strombolian activity at summit vents (updated 16 Apr 2015)
Suwanose-jima (Ryukyu Islands): strombolian explosions in Ontake crater (updated 1 Oct 2015)
Telica (Nicaragua): intermittent phreatic explosions (updated 27 Sep 2015)
Tungurahua (Ecuador): intermittent small ash emissions, small to moderate explosions (updated 26 Oct 2015)
Turrialba (Costa Rica): small to moderate ash emissions, intense degassing (updated 26 Oct 2015)
Villarrica (Central Chile): small lava lake in summit crater (updated 12 May 2015)
Yasur (Tanna Island, Vanuatu): ash emissions, weak strombolian explosions (updated 14 Aug 2013)

Eruption warning / minor activity:

Alaid (Northern Kuriles): probable strombolian activity in summit crater (updated 8 Oct 2015)
Asama (Honshu): occasional small explosions since 16 June 2015 (updated 22 Jun 2015)
Augustine (Cook Inlet (SW Alaska))
Barren Island (Indian Ocean): weak thermal hot spot (updated 19 Aug 2015)
Bezymianny (Central Kamchatka Depression): steaming, weak seismic activity (updated 3 Jul 2014)
Bulusan (Luzon Island, Philippines): occasional phreatic explosions (updated 16 Jun 2015)
Chirinkotan (Northern Kuriles): sporadic ash emissions (updated 28 Jul 2015)
Copahue (Chile/Argentina): intermittent ash emissions, strong degassing, crater incandescence (updated 18 Oct 2015)
Etna (Sicily, Italy): strombolian activity from Voragine crater (updated 19 Apr 2014)
Heard (Australia, Southern Indian Ocean): possibly lava lake in summit crater (updated 5 Dec 2014)
Kavachi (Solomon Islands): no eruption since 2007 (updated 16 Jun 2014)
Kerinci (Sumatra): seismic unrest, steam emissions (updated 5 Jun 2013)
Kick 'em Jenny (West Indies, Grenada): volcanic unrest, eruption warning (updated 24 Jul 2015)
Krakatau (Sunda Strait, Indonesia): steaming, seismic unrest (updated 31 Mar 2014)
Kuchinoerabu-jima (Ryukyu Islands): large explosive eruption on 29 May 2015 (updated 27 Mar 2015)
Lokon-Empung (North Sulawesi, Indonesia): small explosions, lava flow? (updated 31 Aug 2015)
Lopevi (Vanuatu): eruption warning (updated 16 Dec 2014)
Mayon (Luzon Island): steaming (updated 18 Dec 2014)
Merapi (Central Java, Indonesia): sporadic phreatic explosions (updated 21 Aug 2015)
Michael (United Kingdom, South Sandwich Is): unspecified activity detected as hot spot on satellite data (updated 3 Oct 2015)
Nyamuragira (DRCongo): active lava lake (updated 29 Nov 2014)
Ontake-san (Honshu): steaming, low seismic activity (updated 18 Dec 2014)
Papandayan (West Java): steaming (updated 6 May 2013)
Pavlof (Alaska Peninsula, USA): steaming, elevated seismic activity (updated 22 Dec 2014)
Poas (Costa Rica): phreatic explosions (updated 14 Oct 2014)
Rasshua (Central Kuriles)
Raung (East Java): intra-caldera eruption with lava flow and strombolian activity (updated 27 Aug 2015)
Rincón de la Vieja (Costa Rica): phreatic explosions from crater lake (updated 21 Sep 2014)
Rinjani (Lombok): small explosion on 25 Oct 2015 (updated 25 Oct 2015)
Sabancaya (Peru): steaming, elevated seismic activity (updated 11 Oct 2015)
Sacabaya (Northern Chile, Bolivia and Argentina)
San Cristobal (Nicaragua): possible ash emission on 11 April (updated 9 Mar 2015)
San Miguel (El Salvador): degassing, seismic unrest, sporadic ash emissions (updated 28 Jan 2015)
Sangeang Api (Indonesia): steaming, possibly weak lava extrusion at summit (updated 24 Aug 2015)
Shishaldin (United States, Aleutian Islands): mild explosive activity, intermittent more intense phases (updated 4 Sep 2015)
Sirung (Pantar Island, Indonesia ): degassing (updated 10 Jul 2015)
Slamet (Central Java): steam emissions (updated 12 Jan 2015)
Soputan (North Sulawesi, Indonesia): seismic unrest (updated 26 Oct 2015)
Ubinas (Peru): occasional explosions (updated 3 Oct 2015)
Ulawun (New Britain, Papua New Guinea): degassing, ash venting (updated 5 Aug 2013)
Zhupanovsky (Kamchatka, Russia): intermittent ash emissions (updated 22 Jun 2015)

Previous news
Strombolian activity inside Etna's Voragine crater (photo: Biagio Ragonese / EtnaWeb)
Thursday, Oct 29, 2015
Etna (Sicily, Italy): (29 Oct) After several weeks of calm, new activity has started during the past days inside the central Voragine crater. Mild strombolian explosions have been observed from a vent at the bottom of the crater. ... [more]
Explosion at Aso volcano early on 23 Oct 2015
Monday, Oct 26, 2015
Aso (Kyushu): While the volcano continues to degas strongly and has intermittent, mostly small ash emissions, a stronger explosion occurred again early on 23 Oct around 6 am local time. ... [more]
Alleged image from this morning's eruption (?), by  INFO RINJANI @InfoRinjani / Twitter
Sunday, Oct 25, 2015
Rinjani (Lombok): A small explosive eruption with ash emissions was reported from the volcano this morning. It seems to have occurred from the Baru Jari cone inside the caldera lake (and the site of all recent eruptions of the volcano) at around 10:45 local time. ... [more]
View of the small pyroclastic flow at Shiveluch
Friday, Oct 23, 2015
Shiveluch (Kamchatka): (23 Oct) A moderately sized pyroclastic flow as result of small collapse of part of the active lava dome occurred this afternoon (Kamchatka time), sending an ash plume to approx. 15,000 ft (4.5 km) altitude. ... [more]
Thursday, Oct 22, 2015
Batu Tara (Sunda Islands, Indonesia): An ash plume at estimated 5,000 ft (1.5 km) altitude was reported extending 50 km SW of the volcano this morning (VAAC Darwin). ... [more]

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