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Volcanic activity worldwide 15 May 2013: Stromboli, Popocatépetl, Shiveluch, Pavlov

Wednesday May 15, 2013 15:14 PM |

Seismic signal  from Stromboli this morning (STR8 station, INGV)
Seismic signal from Stromboli this morning (STR8 station, INGV)
Webcam image of Shiveluch (KVERT) showing weak glow and a steam/ash plume rising from the dome
Webcam image of Shiveluch (KVERT) showing weak glow and a steam/ash plume rising from the dome
A new steaming lava flow at Pavlof seen by a airline pilot. Photo taken at around 7 pm, May 13.
A new steaming lava flow at Pavlof seen by a airline pilot. Photo taken at around 7 pm, May 13.
Aerial view of the growing lava dome in Popo's crater (CENAPRED)
Aerial view of the growing lava dome in Popo's crater (CENAPRED)
Stromboli (Eolian Islands, Italy): Activity has remained generally elevated and seems to have increased yesterday. Current seismic recordings show strong explosion signals and an increase in tremor. A small lava overflow is currently visible from the NE crater.

Shiveluch (Kamchatka): Lava dome growth continues. This morning, an explosion and/or a partial collapse produced a volcanic ash cloud rising to 15,000 ft (4.7 km) altitude this morning by VAAC Tokyo.
KVERT reports no changes in activity for the other 5 currently active volcanoes in Kamchatka (continuing lava effusion at Tolbachik, dome growth at Kizimen and Bezymianny, intermittent mild explosions at Karymsky, strong degassing at Gorely).

Pavlov (Alaska Peninsula, USA): Eruptive activity on 13 May at Pavlof has been confirmed. Pilot images have shown a new spatter fed lava flow extending 500 m down the N flank of the volcano.

Small steam and ash eruptions were noted from Cold Bay.

Popocatépetl (Central Mexico): Activity remains elevated as new magma continues to rise to the summit at increased rate. The volcano produces intense steaming and occasional explosions that generate steam and ash plumes up to 3 km height and throw incandescent blocks to distances of 700 m. Phases of moderate continuous tremor and several volcano-tectonic earthquakes up to magnitudes 2 accompany this process. Authorities are starting preparations for evacuations should it further increase.
CENAPRED made an aerial survey flight yesterday morning and observed that the lava dome has grown significantly and is now 350 m in diameter and 50 m thick.
... [read more]

Volcano Activity Summary for 15 May 2013:

Currently erupting:

Ambrym (Vanuatu): active lava lakes in several craters (updated 2 May 2013)
Bagana (Bougainville Island, Papua New Guinea): ash explosions (updated 6 May 2013)
Bas Dong Nai (Vietnam)
Batu Tara (Sunda Islands, Indonesia): strombolian explosions, ash plumes up to 500 m, extrusion of a small lava dome with rockfalls (updated 6 May 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)
Etna (Sicily, Italy): ash emissions and strombolian activity at New SE crater (updated 27 Apr 2013)
Fuego (Guatemala): weak to moderate strombolian activity (updated 14 May 2013)
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): possible lava lake in summit crater (updated 2 May 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 20 Apr 2013)
Kizimen (Kamchatka): growing lava dome, lava flow on eastern flank, avalanches (updated 13 May 2013)
Lokon-Empung (North Sulawesi, Indonesia): frequent small to moderate ash explosions (updated 6 May 2013)
Manam (Papua New Guinea): strombolian explosions, lava flow on southern flank (updated 16 Apr 2013)
Nyiragongo (DRCongo): active lava lake in summit crater (updated 20 Apr 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 13 May 2013)
Pavlov (Alaska Peninsula, USA): small lava flow (updated 15 May 2013)
Popocatépetl (Central Mexico): strong degassing, ash explosions, growing lava dome (updated 15 May 2013)
Rabaul (Tavurvur) (New Britain, Papua New Guinea): ash emissions, small explosions (updated 14 Mar 2013)
Sakurajima (Kyushu, Japan): 0-3 weak to moderate vulcanian-style explosions per day, ash clouds up to 2-3 km altitude (updated 14 May 2013)
Sangay (Ecuador): no recent explosions reported (updated 27 Apr 2013)
Santa María / Santiaguito (Guatemala): advancing viscous active lava flows, weak occasional explosions (updated 14 May 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 15 May 2013)
Stromboli (Eolian Islands, Italy): continuing lava overflows (updated 15 May 2013)
Tinakula (Santa Cruz Islands, Solomon Islands): increased activity at the volcano (updated 8 Feb 2013)
Tolbachik (Kamchatka): effusion of fluid lava flows (updated 13 May 2013)
Tungurahua (Ecuador): ash emissions, explosions (updated 14 May 2013)
Yasur (Tanna Island, Vanuatu): strong strombolian activity (level 3), crater currently closed (updated 8 Apr 2013)

Eruption warning / minor activity:

Bezymianny (Central Kamchatka Depression): slow lava flow extrusion from dome (updated 10 Mar 2013)
Chirpoi (Kurile Islands, Russia): thermal anomaly at summit crater, steaming (updated 9 Jan 2013)
Copahue (Chile/Argentina): small explosions, steaming, incandescence at summit (updated 12 May 2013)
Dieng (Central Java): increased degassing (updated 28 Mar 2013)
Gaua (Vanuatu): possible ash eruption on 29 april (updated 29 Apr 2013)
Gorely (Southern Kamchatka): strong steaming (updated 10 Mar 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 9 Apr 2013)
Karymsky (Kamchatka): occasional small explosions, thermal anomaly (updated 4 Apr 2013)
Kirishima (Kyushu): degassing, slightly increased seismic activity (updated 30 Jul 2012)
Krakatau (Sunda Strait, Indonesia): occasional explosions (updated 1 Oct 2012)
Langila (New Britain, Papua New Guinea): occasional ash explosions (updated 11 Feb 2013)
Marapi (Western Sumatra, Indonesia): intermittent mild ash explosions (updated 17 Mar 2013)
Mayon (Luzon Island): phreatic explosions (updated 7 May 2013)
Medvezhia (Kurile Islands, Russia): strong steaming, thermal anomaly (updated 17 Jan 2013)
Nevado del Ruiz (Colombia): earthquake swarm, strong steaming and ash venting (updated 13 May 2013)
Nyamuragira (DRCongo): Fort dégazage du cratère sommital (updated 27 Apr 2012)
Pacaya (Guatemala): weak strombolian activity from Mackenney crater (updated 14 May 2013)
Pagan (Mariana Islands): steaming, thermal anomaly (updated 12 Dec 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)
Reventador (Ecuador): growing lava dome, lava flows on upper flank, frequent explosions (updated 14 May 2013)
Rincón de la Vieja (Costa Rica): small phreatic eruption on 11 April (updated 6 Oct 2012)
Sabancaya (Peru): seismic unrest (updated 14 May 2013)
Sacabaya (Northern Chile, Bolivia and Argentina)
Soputan (North Sulawesi, Indonesia): new eruption on 18 (updated 22 Apr 2013)
Suwanose-jima (Ryukyu Islands): steaming, occasional weak eruptions, elevated seismicity (updated 23 Feb 2013)
Turrialba (Costa Rica): vigorous steaming, occasional phreatic explosions (updated 17 Mar 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)

Restless / uncertain activity:

Aoba (Vanuatu): minor phreatic activity from Lake Vui (updated 8 Feb 2013)
Askja (Central Iceland): increased seismicity (updated 27 Mar 2013)
Bárdarbunga (Iceland): earthquake swarm (updated 26 Jan 2013)
Barren Island (Indian Ocean)
Bromo (East Java, Indonesia): seismic unrest, steaming (updated 3 Oct 2012)
Campi Flegrei (Phlegrean Fields) (Italy): swarm of small earthquakes related to bradyseismus (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 14 Apr 2013)
Cumbal (Colombia): continuing seismic swarms (updated 2 May 2013)
El Hierro (Canary Islands, Spain): strong seismic swarm west of the island, inflation (updated 5 Apr 2013)
Galeras (Colombia): ash emissions, small explosions (updated 2 May 2013)
Gamkonora (Halmahera): alert level lowered to yellow (updated 14 Sep 2012)
Guntur (West Java)
Hakone (Honshu)
Hekla (Iceland): strong inflation (updated 30 Apr 2013)
Ijen (East Java, Indonesia): increased steaming and seismicity, alert level raised on 24 July (updated 3 Apr 2013)
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)
Kliuchevskoi (Kamchatka): weak seismic activity (updated 19 Mar 2013)
Kuchinoerabu-jima (Ryukyu Islands)
Kverkfjöll (Eastern Iceland): occasional small earthquake swarms (updated 21 Oct 2012)
Laguna del Maule (Central Chile): seismic unrest, deformation (updated 20 Apr 2013)
Lascar (Northern Chile): steam plumes with slight ash content (updated 14 Apr 2013)
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 14 Apr 2013)
Masaya (Nicaragua): elevated seismic activity (updated 23 Apr 2013)
Mauna Loa (Big Island, Hawai'i)
Merapi (Central Java): Dome collapse sometime in October (updated 21 Oct 2012)
Miyake-shima (Izu Islands)
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)
Raung (East Java): mild strombolian eruption inside the crater (updated 6 Apr 2013)
Reclus (Southern Chile and Argentina): increased number of earthquakes (updated 31 Aug 2012)
Rinjani (Lombok)
Ruapehu (North Island): seismic unrest (updated 13 Apr 2013)
San Cristobal (Nicaragua): seismic unrest (updated 25 Apr 2013)
San Miguel (El Salvador): seismic unrest (updated 6 Apr 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): weak seismic unrest (updated 31 Jan 2013)
Soufriere Hills (Montserrat, West Indies (UK)): seismic unrest, occasional light ash venting (updated 21 Mar 2013)
Taal (Luzon, Philippines): degassing, elevated seismic activity (updated 6 Apr 2013)
Tahalra Volcanic Field (Algeria): 2 km deep volcanic earthquake on 14 february (updated 17 Feb 2013)
Talang (Sumatra)
Tambora (Sumbawa): aucune activité ces derniers mois, l'alerte est revenue à la normale (updated 6 Apr 2013)
Telica (Nicaragua): ongoing seismic swarm (updated 1 May 2013)
Tiatia (Kunashir Island): weak thermal anomaly (updated 6 Sep 2012)
Tjörnes Fracture Zone (North of Iceland): continuing earthquake swarm (updated 8 Apr 2013)
To-shima (Izu Islands): seismic swarm (updated 10 Mar 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)

Previous news
MODIS hot spot data (past 2 days) for Pavlov volcano (ModVolc, Univ. Hawaii)
Tuesday, May 14, 2013
Sakurajima (Kyushu, Japan): Explosive activity has picked up again at the volcano. Today alone, several explosions have occurred, two of which of moderately large size with ash plumes reaching 10,000 and 12,000 ft (3 and 3.7 km) altitude. (VAAC Tokyo) ... [more]
MODIS hot spot data (past 2 days) for Tolbachik volcano (ModVolc, Univ. Hawaii)
Monday, May 13, 2013
Kizimen (Kamchatka): Activity continues with little changes. Video data showed that the lava dome is still active and produces incandescence and hot avalanches on the western and eastern flanks. Strong and moderate gas-steam activity accompany this process. Satellite data showed a thermal anomaly over the volcano. (KVERT) ... [more]
Current seismic recording from Popocatépetl
Sunday, May 12, 2013
Popocatépetl (Central Mexico): The activity continued to increase over the past days and CENAPRED raised the alert level to Yellow Phase 3 this morning. The volcano has been producing frequent sequences of continuous steam and ash emissions as well as discrete vulcanian-type explosions that throw glowing bombs to several hundred meters distance from the crater and create ash plumes up to about 2 km high. ... [more]
Friday, May 10, 2013
Popocatépetl (Central Mexico): On 9 May, 28 explosions were noted from the volcano, the largest were at 05:16 and 07:01 am. Incandescence was seen at night. Several periods of harmonic tremor were noted in the reporting period. A gas and steam plume drifted SE. ... [more]
Explosion from Popocatépetl this night
Wednesday, May 08, 2013
Popocatépetl (Central Mexico): A significant increase in activity occurred at the volcano. Starting at 19:28 h local time yesterday, volcanic tremor of high amplitude has been recorded for 3.5 hours and accompanied by strong steam and ash emissions creating an eruption column rising 3 km. Explosions ejected incandescent fragments to distances of 700 m from the crater. ... [more]

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