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Volcanic activity worldwide 24 Feb 2013: Nevado del Ruiz, Etna

Sunday Feb 24, 2013 20:18 PM |

Tall lava fountains are visible from the webcam images:
Tall lava fountains are visible from the webcam images:
Lava fountains from Etna's New SE crater
Lava fountains from Etna's New SE crater
SO2 plume from Nevado del Ruiz (NOAA)
SO2 plume from Nevado del Ruiz (NOAA)
Etna (Sicily, Italy): (23 Feb) The 5th paroxysm of the New SE crater is occurring. Tall lava fountains are erupting from the fissure vent of the New SE crater. This time, the eruption is much bigger than the previous ones. Judging from webcam images, lava fountains might be reaching one km in height.
...23 Feb:


Nevado del Ruiz (Colombia): (24 Feb) A small magmatric intrusion earlier today produced an earthquake swarm and increased SO2 degassing.

Volcano Activity Summary for 24 Feb 2013:

Currently erupting:

Ambrym (Vanuatu): active lava lakes in several craters (updated 19 Feb 2013)
Barren Island (Indian Ocean)
Batu Tara (Sunda Islands, Indonesia): strombolian explosions, ash plumes up to 500 m, extrusion of a small lava dome with rockfalls (updated 11 Feb 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)
Etna (Sicily, Italy): intermittent paroxysms from New SE crater (updated 23 Feb 2013)
Fuego (Guatemala): effusion of la lava flow, small strombolian explosions (updated 22 Feb 2013)
Gamalama (Halmahera): ash eruptions since 17 Sep (updated 17 Sep 2012)
Karkar (Northeast of New Guinea): possible ash eruption on 1 February (updated 29 Jan 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 14 Feb 2013)
Kizimen (Kamchatka): growing lava dome, lava flow on eastern flank, avalanches (updated 17 Feb 2013)
Lokon-Empung (North Sulawesi, Indonesia): frequent small to moderate ash explosions (updated 3 Feb 2013)
Manam (Papua New Guinea): occasional ash emissions (updated 13 Feb 2013)
Nyiragongo (DRCongo): active lava lake in summit crater (updated 28 Jan 2013)
Ol Doinyo Lengai (Tanzania): spattering and lava flows of natrocarbonatite lava inside the summit crater (updated 9 Dec 2012)
Paluweh (off Flores Island, Indonesia): active growing lava dome (updated 17 Feb 2013)
Raung (East Java): mild strombolian eruption inside the crater (updated 8 Nov 2012)
Reventador (Ecuador): growing lava dome, lava flows on upper flank, frequent explosions (updated 21 Feb 2013)
Sakurajima (Kyushu, Japan): 0-3 weak to moderate vulcanian-style explosions per day, ash clouds up to 2-3 km altitude (updated 24 Feb 2013)
Santa María / Santiaguito (Guatemala): advancing viscous active lava flows, weak occasional explosions (updated 22 Feb 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 20 Feb 2013)
Stromboli (Eolian Islands, Italy): strong strombolian explosions, intermittent small lava overspills (updated 19 Feb 2013)
Tinakula (Santa Cruz Islands, Solomon Islands): increased activity at the volcano (updated 8 Feb 2013)
Tolbachik (Kamchatka): effusion of fluid lava flows (updated 20 Feb 2013)
Yasur (Tanna Island, Vanuatu): strong strombolian activity (level 3), crater currently closed (updated 2 Aug 2012)

Eruption warning / minor activity:

Bagana (Bougainville Island, Papua New Guinea): occasional ash explosions (updated 21 Feb 2013)
Bezymianny (Central Kamchatka Depression): slow lava flow extrusion from dome (updated 11 Jan 2013)
Chirpoi (Kurile Islands, Russia): thermal anomaly at summit crater, steaming (updated 9 Jan 2013)
Cleveland (Aleutian Islands, Alaska): lava dome growing (updated 8 Feb 2013)
Colima (Western Mexico): rockfalls, intermittent ash emissions (updated 23 Feb 2013)
Dukono (Halmahera): thermal anomaly, probably small explosive activity in summit crater (updated 6 Feb 2013)
Galeras (Colombia): seismic unrest, occasional ash venting (updated 3 Feb 2013)
Gorely (Southern Kamchatka): strong steaming (updated 23 Jan 2013)
Grozny (Iturup Island): fumarolic activity (updated 20 Feb 2013)
Heard (Australia, Southern Indian Ocean): thermal anomaly at summit crater (updated 31 Jan 2013)
Ibu (Halmahera, Indonesia): Thermal anomalies indicate continuing eruption, possible lava dome growth (updated 18 Oct 2012)
Karangetang (Siau Island, Sangihe Islands, Indonesia): hot spot visible at the summit (updated 27 Jan 2013)
Karymsky (Kamchatka): occasional small explosions, thermal anomaly (updated 10 Feb 2013)
Kirishima (Kyushu): degassing, slightly increased seismic activity (updated 30 Jul 2012)
Kliuchevskoi (Kamchatka): strombolian activity in summit crater (updated 10 Feb 2013)
Krakatau (Sunda Strait, Indonesia): strong degassing (updated 1 Oct 2012)
Langila (New Britain, Papua New Guinea): occasional ash explosions (updated 11 Feb 2013)
Marapi (Western Sumatra, Indonesia): frequent small ash emissions (updated 11 Dec 2012)
Medvezhia (Kurile Islands, Russia): strong steaming, thermal anomaly (updated 17 Jan 2013)
Nevado del Ruiz (Colombia): steaming, low-level seismic unrest (updated 24 Feb 2013)
Nyamuragira (DRCongo): strong degassing from summit crater (updated 27 Apr 2012)
Pacaya (Guatemala): occasional weak ash emissions, steaming (updated 22 Feb 2013)
Pagan (Mariana Islands): steaming, thermal anomaly (updated 12 Dec 2012)
Poas (Costa Rica): Small phreatic explosions on 29 October (updated 30 Oct 2012)
Popocatépetl (Central Mexico): steaming, about 1 weak explosion per hour, crater glow (updated 22 Feb 2013)
Rabaul (Tavurvur) (New Britain, Papua New Guinea): intermittent ash explosions (updated 7 Feb 2013)
Rasshua (Central Kuriles)
Rincón de la Vieja (Costa Rica): small phreatic eruption on 11 April (updated 6 Oct 2012)
Sangay (Ecuador): no recent explosions reported (updated 26 Jan 2013)
Soputan (North Sulawesi, Indonesia): new eruption on 18 (updated 9 Nov 2012)
Suwanose-jima (Ryukyu Islands): steaming, occasional weak eruptions, elevated seismicity (updated 23 Feb 2013)
Ulawun (New Britain, Papua New Guinea): ash emissions and rumblings heard (updated 2 Jan 2013)
Villarrica (Central Chile): weak deep-seated explosive activity, steaming (updated 20 Jan 2013)
White Island (New Zealand): vigorous degassing, strong hydrothermal activity (updated 23 Feb 2013)

Restless / uncertain activity:

Aoba (Vanuatu): minor phreatic activity from Lake Vui (updated 8 Feb 2013)
Askja (Central Iceland): increased seismicity (updated 21 Feb 2013)
Bárdarbunga (Iceland): earthquake swarm (updated 26 Jan 2013)
Bromo (East Java, Indonesia): seismic unrest, steaming (updated 3 Oct 2012)
Campi Flegrei (Phlegrean Fields) (Italy): sciame sismico (updated 6 Feb 2013)
Chaitén (Southern Chile and Argentina)
Changbaishan (China / North Korea border): increased seismic and degassing activity, deformation (updated 29 Sep 2012)
Concepción (Nicaragua): seismic unrest (updated 23 Jan 2013)
Copahue (Chile/Argentina): seismic swarms (updated 19 Feb 2013)
Cumbal (Colombia): continuing seismic swarms (updated 31 Jan 2013)
El Hierro (Canary Islands, Spain): elevated number of earthquakes (updated 8 Feb 2013)
Gamkonora (Halmahera): alert level lowered to yellow (updated 14 Sep 2012)
Gaua (Vanuatu)
Hekla (Iceland): Small but very shallow 1.2 magnitude earthquake at 21:13 UTC on 15 Feb 2012 (updated 14 Sep 2012)
Ijen (East Java, Indonesia): increased steaming and seismicity, alert level raised on 24 July (updated 17 Apr 2012)
Irazu (Costa Rica)
Iwo-jima (Volcano Islands): weak degassing, occasional volcanic tremors (updated 22 Jan 2013)
Katla (Southern Iceland): occasional seismic swarms (updated 17 Aug 2012)
Kerinci (Sumatra)
Ketoi (Kurile Islands, Russia)
Kuchinoerabu-jima (Ryukyu Islands)
Kverkfjöll (Eastern Iceland): occasional small earthquake swarms (updated 21 Oct 2012)
Lewotobi (Flores): steaming and seismic activity decreased, alert lowered back to 1 (out of 4) (updated 5 Apr 2012)
Loihi (United States, Hawaiian Islands): Magnitude 4.2 earthquake at Loihi (updated 26 Nov 2012)
Machin (Colombia): elevated seismic activity (updated 11 Feb 2013)
Masaya (Nicaragua): elevated seismic activity (updated 4 Feb 2013)
Mauna Loa (Big Island, Hawai'i)
Mayon (Luzon Island): steaming, increased earthquakes, slight inflation (updated 11 Nov 2012)
Merapi (Central Java): Dome collapse sometime in October (updated 21 Oct 2012)
Mt Fuji (Honshu): earthquakes at the end of January and in February 2012, new craters reported, increasing fumarolic activity (updated 4 Feb 2013)
Nevado del Huila (Colombia): degassing (updated 31 Jan 2013)
Papandayan (West Java): alert status back to 2 (updated 1 Feb 2012)
Reclus (Southern Chile and Argentina): increased number of earthquakes (updated 31 Aug 2012)
Rinjani (Lombok)
Ruapehu (North Island): seismic unrest (updated 24 Jan 2013)
San Cristobal (Nicaragua): seismic unrest (updated 7 Feb 2013)
San Miguel (El Salvador): seismic unrest (updated 5 Feb 2013)
Sangeang Api (Indonesia): occasional weak steaming (updated 3 Jan 2013)
Sinabung (Sumatra, Indonesia)
Siple (Marie Byrd Land, Western Antarctica): possible steaming detected on 20 June (updated 28 Jun 2012)
Sirung (Pantar Island, Indonesia ): steaming and elevated seismicity (updated 27 May 2012)
Slamet (Central Java): degassing, strong fumaroles (updated 9 Aug 2012)
Sotará (Colombia): Actividad volcán Sotará del 3 al 9 de octubre de 2012 (updated 31 Jan 2013)
Soufriere Hills (Montserrat, West Indies (UK)): seismic unrest, occasional light ash venting (updated 14 Feb 2013)
Taal (Luzon, Philippines): degassing, elevated seismic activity (updated 17 Feb 2013)
Tahalra Volcanic Field (Algeria): 2 km deep volcanic earthquake on 14 february (updated 17 Feb 2013)
Talang (Sumatra)
Tangkubanparahu (West Java): degassing (updated 23 Feb 2013)
Telica (Nicaragua): seismic unrest (updated 15 Nov 2012)
Tiatia (Kunashir Island): weak thermal anomaly (updated 6 Sep 2012)
Tjörnes Fracture Zone (North of Iceland): continuing earthquake swarm (updated 30 Jan 2013)
Tongariro (North Island, New Zealand): strong steaming from Te Maari craters, slightly elevated seismic activity (updated 19 Feb 2013)
Torfajökull (Iceland): earthquake swarm (updated 17 Feb 2013)
Tungurahua (Ecuador): steaming, weak seismic unrest (updated 17 Feb 2013)
Turrialba (Costa Rica): vigorous steaming, occasional phreatic explosions (updated 20 Feb 2013)

Previous news
View towards the New SE crater from Belvedere
Saturday, Feb 23, 2013
Etna (Sicily, Italy): Another paroxysm is probably in the making. A lava flow is active from a fissure SE of the New SE crater's base, and the tremor signal has begun to rise. ... [more]
Glow from what is probably a small effusive fissure SE of the base of the cone (right in the picture)
Friday, Feb 22, 2013
Etna (Sicily, Italy): It seems that a small effusive fissure vent has been active a few 100 m SE of the base of the New SE crater. No further paroxysm has (yet) occurred. ... [more]
The characteristic tall tremor peak of Etna's tremor signal
Thursday, Feb 21, 2013
Etna (Sicily, Italy): A 4th paroxysm from the New SE crater has occurred in rapid succession to the previous eruptions during the past 2 days. It will be interesting to see how long Etna will keep up this busy pace. ... [more]
Etna during the 3rd New SE crater paroxysm
Wednesday, Feb 20, 2013
Etna (Sicily, Italy): Etna had no less than 3 paroxysms (particularly violent brief eruptive episodes) with lava fountains, lava flows and tall ash plumes from the New SE crater within the past 20 hours (so far). ... [more]
Thermal webcam image of the crater area of Stromboli (INGV)
Tuesday, Feb 19, 2013
Stromboli (Eolian Islands, Italy): After the brief surge of activity during last week, the volcano has calmed down again to average levels. ... [more]

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