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Volcanic activity worldwide 3 Aug 2015: Karymsky volcano, Dukono, Piton de la Fournaise, Raung, Mana...

Montag Aug 03, 2015 16:17 |

Heat signal from Raung volcano during the past year (MIROVA)
Heat signal from Raung volcano during the past year (MIROVA)
Eruptive fissure of Piton de la Fournaise on 31 July (image: Paul Dérand)
Eruptive fissure of Piton de la Fournaise on 31 July (image: Paul Dérand)
Karymsky (Kamchatka): Explosions with ash emissions detected on satellite images have been more frequent lately. Yesterday, VAAC Tokyo reports an ash plume at 14,000 ft (4.2 km) altitude drifting north from the volcano.

Suwanose-jima (Ryukyu Islands): The volcano's activity seems to have increased since around 30 July. On Saturday 1 Aug, explosions had produced an ash plume that was visible on satellite images (VAAC Tokyo).
Incandescence is not visible on webcam images, but this is probably due to dust/mist/ash covering the lens.

Manam (Papua New Guinea): It seems that no fatalities have occurred during the large explosion on Friday (31 July). According to news articles, only one child was injured by falling lapilli, but survived and could be treated in a hospital.
Up to 2 cm of ash has been deposited over most of the island, destroying or damaging much farmland, many houses and contaminating water sources. Respiratory problems are a major concern in the aftermath of the eruption, which, however, could easily have had a much worse outcome.
There are no reports of evacuations of people from the island (as occurred in 2004, when a similar, although even larger explosion occurred, killing several people and prompting more than 9000 people to be evacuated).

Raung (East Java): The eruption continues. Ash emissions have decreased, while satellite-detected heat emission increased during the past days. This could suggest that activity is now more effusive (lava flows) than explosive (ash emissions) in style.
This morning, an ash plume rose approx. 1 km above the volcano and drifted 100 km to the SW. Indonesia's Volcanological Survey VSI mentioned yesterday that seismic activity rapidly decreased. Whether this means a near ending of the eruption remains to be seen.

Dukono (Halmahera): The volcano continues to erupt near constant ash plumes from small to moderate, but nearly continuous explosions from the vents inside its crater.
Yesterday, VAAC Darwin reported ash at 7,000 ft (2.1 km) altitude extending almost 100 km to the northeast.

Piton de la Fournaise (La Réunion): After less than 3 days, the eruption already ended Sunday morning. The volcano observatory reported that tremor and lava effusion ceased abruptly at 11:15. However, a new eruptive phase in the near future cannot be ruled out.
The access to the Enclos remains closed.
... [read more]

Volcano Activity Summary for 3 Aug 2015:

Currently erupting:

Ambrym (Vanuatu): active lava lakes in several craters (updated 24 May 2015)
Aso (Kyushu): intense strombolian activity from main vent in Nakadake crater (updated 22 May 2015)
Bagana (Bougainville Island, Papua New Guinea): ash emissions, lava dome growth (updated 5 Jun 2015)
Batu Tara (Sunda Islands, Indonesia): strombolian explosions, ash plumes up to 500 m, extrusion of a small lava dome with rockfalls (updated 5 Jul 2015)
Calbuco (Southern Chile and Argentina): steaming (updated 30 Apr 2015)
Colima (Western Mexico): weak lava effusion from summit vent (updated 22 Jul 2015)
Copahue (Chile/Argentina): ash venting (updated 4 Dec 2014)
Dukono (Halmahera): thermal anomaly, probably small explosive activity in summit crater (updated 3 Aug 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): intermittent strombolian explosions (updated 5 Jul 2015)
Ibu (Halmahera, Indonesia): stromolian and phreatomagmatic explosions (updated 14 Nov 2014)
Karangetang (Siau Island, Sangihe Islands, Indonesia): lava flows, weak explosive activity at summit crater (updated 11 Jun 2015)
Karymsky (Kamchatka): occasional small explosions, thermal anomaly (updated 3 Aug 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)
Mount Olympus (Mars)
Nishino-shima (Volcano Islands, Japan): growing island (updated 23 Jun 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)
Poas (Costa Rica): phreatic explosions (updated 14 Oct 2014)
Popocatépetl (Central Mexico): degassing, sporadic explosions, slowly growing lava dome (updated 28 Jul 2015)
Rabaul (Tavurvur) (New Britain, Papua New Guinea): lava fountains, ash emissions from Tavurvur cone (updated 12 Sep 2014)
Raung (East Java): intra-caldera eruption with lava flow and strombolian activity (updated 3 Aug 2015)
Reventador (Ecuador): lava flow on SW flank (updated 28 Jun 2015)
Sakurajima (Kyushu, Japan): ash venting, intermittent explosions (updated 22 Jun 2015)
Sangay (Ecuador): likely strombolian eruptions at summit crater (updated 13 Mar 2015)
Sangeang Api (Indonesia): lava flow on SE flank (updated 10 Jul 2015)
Santiaguito (Guatemala): small explosions from the Caliente dome and active lava flow (updated 3 Feb 2015)
Semeru (East Java, Indonesia): growing lava dome, lava flow, strombolian activity (updated 16 Jun 2015)
Shiveluch (Kamchatka): growing lava dome (updated 24 May 2015)
Sinabung (Sumatra, Indonesia): continuing pyroclastic flows (updated 31 Jul 2015)
Soputan (North Sulawesi, Indonesia): active viscous lava flow, explosions, rockfalls, pyroclastic flows (updated 9 Mar 2015)
Stromboli (Eolian Islands, Italy): weak strombolian activity at summit vents (updated 16 Apr 2015)
Suwanose-jima (Ryukyu Islands): strombolian activity (updated 3 Aug 2015)
Telica (Nicaragua): sporadic ash emissions and explosions (updated 28 May 2015)
Tungurahua (Ecuador): volcanic unrest, ash emissions, degassing (updated 5 Jul 2015)
Turrialba (Costa Rica): ash emissions, weak strombolian activity (updated 20 May 2015)
Ubinas (Peru): intermittent ash emissions (updated 28 Jun 2015)
Villarrica (Central Chile): small lava lake in summit crater (updated 12 May 2015)
Wolf (Galápagos Islands, Ecuador): large explosive-effusive eruption since 25 May 2015 (updated 25 May 2015)
Yasur (Tanna Island, Vanuatu): ash emissions, weak strombolian explosions (updated 14 Aug 2013)

Eruption warning / minor activity:

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 6 Jun 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)
Cleveland (Aleutian Islands, Alaska): intermittent explosions (updated 21 Jul 2015)
Etna (Sicily, Italy): sporadic weak ash emissions from New SE crater (updated 19 Apr 2014)
Gamalama (Halmahera): new eruption on 18 Dec 2014 (updated 16 Jul 2015)
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 22 May 2015)
Lopevi (Vanuatu): eruption warning (updated 16 Dec 2014)
Manam (Papua New Guinea): large explosion on 31 July 2015 (updated 3 Aug 2015)
Mayon (Luzon Island): steaming (updated 18 Dec 2014)
Nevado del Ruiz (Colombia): sporadic ash emissions (updated 22 Jul 2015)
Nyamuragira (DRCongo): active lava lake (updated 29 Nov 2014)
Ontake-san (Honshu): steaming, low seismic activity (updated 18 Dec 2014)
Pacaya (Guatemala): weak strombolian activity in summit crater (updated 5 Jul 2015)
Papandayan (West Java): steaming (updated 6 May 2013)
Pavlof (Alaska Peninsula, USA): steaming, elevated seismic activity (updated 22 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 28 Jul 2015)
Sacabaya (Northern Chile, Bolivia and Argentina)
San Cristobal (Nicaragua): possible ash emission on 11 April (updated 9 Mar 2015)
San Miguel (El Salvador): elevated seismic activity, pulsating gas emissions (updated 28 Jan 2015)
Shishaldin (United States, Aleutian Islands): mild explosive activity, intermittent more intense phases (updated 3 Apr 2015)
Sirung (Pantar Island, Indonesia ): degassing (updated 10 Jul 2015)
Slamet (Central Java): steam emissions (updated 12 Jan 2015)
Ulawun (New Britain, Papua New Guinea): degassing, ash venting (updated 5 Aug 2013)
Zhupanovsky (Kamchatka, Russia): intermittent ash emissions (updated 22 Jun 2015)

Vorherige Nachrichten
Ash plume from Manam volcano (Himawari-8 True Color imagery)
Freitag, Jul 31, 2015
Manam (Papua New Guinea): A large explosive eruption occurred at the volcano today. The event produced an ash column that rose to approx. 65,000 ft (20 km) altitude and started to drift SW. ... [mehr]
Donnerstag, Jul 30, 2015
Piton de la Fournaise (La Réunion): A new eruption might be under way at the volcano. Since last weekend, seismic activity from a source at 1-2 km depth beneath Dolomieu crater has been increasing. In addition, increased degassing and inflation of the Dolomieu crater have been detected, both likely signs of a new magma intrusion at shallow depth. ... [mehr]
Recent earthquakes under Meakan volcano (JMA)
Dienstag, Jul 28, 2015
Karymsky (Kamchatka): An ash plume from an explosion produced an ash plume that rose to 14,000 ft (4.2 km) altitude and drifted north this morning. The volcano continues to produce intermittent strombolian- to vulcanian-type explosive eruptions. ... [mehr]
Pyroclastic flow at Sinabung volcano today at 12:22
Montag, Jul 27, 2015
Sinabung (Sumatra, Indonesia): (27 Jul) Activity has remained essentially unchanged. Effusion of viscous lava continues at slow pace to feed the lava dome with two active lobes on the SE and E upper flanks. At 12:22 local time today, a small part of the eastern lobe collapsed into a medium-sized pyroclastic flow that traveled approx. 2.5 km towards the outskirts of the (already evacuated and destroyed) villages of Bekerah and Simacem. ... [mehr]
Incandescence from the two lava lobes of Sinabung and a rockfall at night (25 July)
Sonntag, Jul 26, 2015
Sinabung (Sumatra, Indonesia): During the past 2,3 days, the volcano has been relatively calm and not produced pyroclastic flows, only small rockfalls from two lava lobes, a smaller and a much larger one, overspilling to the SE and ENE, respectively ... [mehr]

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