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Volcanic activity worldwide 17 Jul 2013: Reventador

Wednesday Jul 17, 2013 17:04 PM |

Reventador (Ecuador): The IG reported that in the last few days, increased seismic activity indicative of increased eruptions has been noticed at the volcano. Seismic data also indicated the presence of a lava flow travelling down the SW slope of Reventador's intracaldera cone.

Volcano Activity Summary for 17 Jul 2013:

Currently erupting:

Ambrym (Vanuatu): active lava lakes in several craters (updated 5 Jul 2013)
Bagana (Bougainville Island, Papua New Guinea): ash explosions (updated 7 Jun 2013)
Batu Tara (Sunda Islands, Indonesia): strombolian explosions, ash plumes up to 500 m, extrusion of a small lava dome with rockfalls (updated 3 Jun 2013)
Cleveland (Aleutian Islands, Alaska): continuous small eruptions (updated 6 May 2013)
Colima (Western Mexico): frequent explosions from growing lava dome, glowing rockfalls and small pyroclastic flows (updated 25 Apr 2013)
Dukono (Halmahera): thermal anomaly, probably small explosive activity in summit crater (updated 2 May 2013)
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)
Fuego (Guatemala): strombolian activity, new lava flow on upper southern flank (updated 14 Jul 2013)
Gamalama (Halmahera): ash eruptions since 17 Sep (updated 17 Sep 2012)
Grozny (Iturup Island): fumarolic activity (updated 3 Apr 2013)
Karkar (Northeast of New Guinea): possible ash eruption on 1 February (updated 15 Mar 2013)
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 5 Jul 2013)
Kizimen (Kamchatka): growing lava dome, lava flow on eastern flank, avalanches (updated 16 Jul 2013)
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): weak to moderate strombolian activity (updated 9 Jul 2013)
Paluweh (off Flores Island, Indonesia): active growing lava dome (updated 20 Jun 2013)
Popocatépetl (Central Mexico): near continuous explosions (updated 15 Jul 2013)
Rabaul (Tavurvur) (New Britain, Papua New Guinea): ash emissions, small explosions (updated 14 Mar 2013)
Reventador (Ecuador): steam and ash emissions (updated 17 Jul 2013)
Sakurajima (Kyushu, Japan): constant ash emissions and strong explosions (updated 15 Jul 2013)
Santa María / Santiaguito (Guatemala): Santiaguito volcano (Guatemala): lava flow on south flank of dome becomes more active (updated 9 Jul 2013)
Semeru (East Java, Indonesia): growing lava dome, ash venting and small to moderate explosions (updated 25 Jul 2012)
Shiveluch (Kamchatka): slow dome growth, occasional explosions and pyroclastic flows (updated 5 Jul 2013)
Stromboli (Eolian Islands, Italy): continuing lava overflows (updated 6 Jun 2013)
Tinakula (Santa Cruz Islands, Solomon Islands): increased activity at the volcano (updated 8 Feb 2013)
Tolbachik (Kamchatka): effusion of fluid lava flows (updated 14 Jul 2013)
Tungurahua (Ecuador): large explosion on 14 July destroying the plug of the crater (updated 15 Jul 2013)
Veniaminof (Alaska Peninsula, USA): effusion of lava flows (updated 14 Jul 2013)
Yasur (Tanna Island, Vanuatu): strong strombolian activity (level 3), crater currently closed (updated 29 May 2013)

Eruption warning / minor activity:

Bezymianny (Central Kamchatka Depression): slow lava flow extrusion from dome (updated 10 Jun 2013)
Chirinkotan (Northern Kuriles): unspecified activity - possibly lava flows (updated 8 Jul 2013)
Chirpoi (Kurile Islands, Russia): hot spot visible on satellite imagery (updated 14 Jul 2013)
Copahue (Chile/Argentina): degassing, weak sporadic ash emissions (updated 7 Jul 2013)
Dieng (Central Java): increased degassing (updated 28 Mar 2013)
Etna (Sicily, Italy): steaming, degassing (updated 3 Jul 2013)
Galeras (Colombia): sporadic ash emissions (updated 5 Jul 2013)
Gamkonora (Halmahera): seismic swam, minor ash emissions (updated 27 May 2013)
Gaua (Vanuatu): possible ash eruption on 29 april (updated 29 Apr 2013)
Heard (Australia, Southern Indian Ocean): possible lava lake in summit crater (updated 8 Jul 2013)
Ibu (Halmahera, Indonesia): growing lava dome, seismic unrest (updated 9 Jun 2013)
Iwo-Tori-shima (Ryukyu Islands): possible small ash eruption on 6 July 2013 (updated 6 Jul 2013)
Karangetang (Siau Island, Sangihe Islands, Indonesia): hot spot visible at the summit (updated 9 Apr 2013)
Karymsky (Kamchatka): occasional small explosions, thermal anomaly (updated 4 Apr 2013)
Kerinci (Sumatra): occasional ash explosions (updated 5 Jun 2013)
Kikai (Ryukyu Islands): steaming at summit crater of Iodake, occasional weak glows (updated 5 Jun 2013)
Kirishima (Kyushu): degassing, slightly increased seismic activity (updated 30 Jul 2012)
Krakatau (Sunda Strait, Indonesia): occasional explosions (updated 27 Jun 2013)
Langila (New Britain, Papua New Guinea): occasional ash explosions (updated 11 Feb 2013)
Lokon-Empung (North Sulawesi, Indonesia): steaming, degassing, occasional ash explosions (updated 14 Jul 2013)
Manam (Papua New Guinea): strombolian explosions, lava flow on southern flank (updated 25 Jun 2013)
Marapi (Western Sumatra, Indonesia): intermittent mild ash explosions (updated 17 Mar 2013)
Medvezhia (Kurile Islands, Russia): strong steaming, thermal anomaly (updated 17 Jan 2013)
Merapi (Central Java): slowly growing lava dome, occasional small explosions (updated 15 Jun 2013)
Nevado del Ruiz (Colombia): occasional ash venting (updated 20 Jun 2013)
Nyamuragira (DRCongo): Fort dégazage du cratère sommital (updated 27 Apr 2012)
Papandayan (West Java): strong hydrothermal activity, increased seismicity (updated 6 May 2013)
Poas (Costa Rica): Small phreatic explosions on 29 October (updated 1 May 2013)
Rasshua (Central Kuriles)
Rincón de la Vieja (Costa Rica): small phreatic eruption on 11 April (updated 6 Oct 2012)
Sabancaya (Peru): seismic unrest (updated 11 Jun 2013)
Sacabaya (Northern Chile, Bolivia and Argentina)
Sangay (Ecuador): no recent explosions reported (updated 24 May 2013)
Suwanose-jima (Ryukyu Islands): strombolian activity and occasional ash emissions (updated 9 Jul 2013)
Turrialba (Costa Rica): ash venting, strong degassing (updated 15 Jul 2013)
Ulawun (New Britain, Papua New Guinea): ash emissions and rumblings heard (updated 23 Mar 2013)
Villarrica (Central Chile): weak deep-seated explosive activity, steaming (updated 20 Jan 2013)

Vorig nieuws
Tuesday, Jul 16, 2013
Kizimen (Kamchatka): On 15 July, ash plumes were observed drifting 20 nautical miles NW from Batu Tara. ... [meer...]
Explosion from Sakurajima late on 14 July 2013
Monday, Jul 15, 2013
Sakurajima (Kyushu, Japan): The volcano remains in a state of elevated activity. Ash emission and explosions have been occurring with no break when observed from nearby during the past night: ... [meer...]
Location of quakes during the past 2 weeks (IGN)
Sunday, Jul 14, 2013
El Hierro (Canary Islands, Spain): (14 Jul) Small clusters of earthquakes continue to occur in two areas, at 10-20 km depth, one located beneath the central area of the island and the second under an area off the western tip. Overall, seismic activity has remained low and shows a decreasing trend over the past months. ... [meer...]
Current seismic recording from White Island (GeoNet)
Wednesday, Jul 10, 2013
Sakurajima (Kyushu, Japan): Strong activity continues. This morning, a relatively large vulcanian-type explosion produced a plume rising to 14,000 ft (4.3 km) altitude. The the volcano continued to emit ash for several hours following the explosion. ... [meer...]
Evolution of tremor at Tolbachik as given by KVERT (graphic: Culture Volcan)
Tuesday, Jul 09, 2013
Tolbachik (Kamchatka): While the activity of lava effusion from the southern vent continues, the recent tremor measurements of KVERT have been showing a decreasing trend since mid June, after having been stable or even rising a bit since April. This means that the effusion rate is likely decreasing as well, but still, it is difficult to predict when the eruption will eventually end. ... [meer...]

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