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Volcanic activity worldwide 25 Feb 2014: Etna, Marsili Seamount, Pacaya, Kelud, Ibu, Tungurahua, Kilauea

mardi févr. 25, 2014 17:30 |
Thermal image of the eastern flank of Etna, showing the active lava flows from the NSEC
Thermal image of the eastern flank of Etna, showing the active lava flows from the NSEC
The crater of Kelut volcano on 23 Feb 2014 (photo: https://twitter.com/RocknRoll_18270)
The crater of Kelut volcano on 23 Feb 2014 (photo: https://twitter.com/RocknRoll_18270)
Etna (Sicily, Italy): Mild strombolian activity from the New SE crater and weekly alimented lava effusion from the fissure vents at its eastern base continue.

Marsili Seamount (Tyrrhenian Sea, Italy): A recently published study shows that submarine explosive eruptions have occurred at the underwater volcano in historical times. Therefore, the volcano should be included as one of Italy's still active volcanoes.

Kelud (East Java): An areal photo from 23 Feb shows no signs of a new lava dome, at least not near the surface of the new crater.

Ibu (Halmahera, Indonesia): A thermal anomaly remains visible at the volcano on satellite data, suggesting that there is some sort of ongoing eruptive activity. This could likely be from a slowly growing lava dome.

Kilauea (Hawai'i): (24 Feb) The Kahauale`a 2 lava flow reached 7.8 km (4.8 mi) northeast of Pu`u `O`o by mid-January before stalling. Recent surface flows have been active as small scattered breakouts behind the flow front.

Pacaya (Guatemala): Mild strombolian activity continues at the Mackenney crater. INSIVUMEH reports ejections of fine-grained tephra (ash) to 100-150 m above the crater.

Tungurahua (Ecuador): Activity continues an overall decreasing trend. The volcano has occasional explosions and ash emissions, typically 4-5 per day, which cause light ash fall, mostly in Pillate, Tisaleo and El Manzano to the S and SW. In between such emissions, the volcano is calm. Seismic activity is still significant, but also seems to be decreasing, the latest IGPEN report mentions.
It also writes that the scenario of a return to more elevated activity in the near future (days to weeks) is less likely than a continued trend towards calm.
A significant hazard for the valleys radiating from the volcano remain lahars, as the expected heavy rainfalls in the coming weeks can remobilize the significant amounts of fresh loose deposits and turn onto dangerous mudflows (lahars).
Actualités précédentes
lundi, févr. 24, 2014
Glow from an eruption at Suwanose-jima volcano (JMA webcam)
Suwanose-jima (Ryukyu Islands): Activity has been higher today. The volcano had several smaller explosions today. Plumes rose to altitudes of approx 2,000 ft (1.8 km). ... lire toutes
dimanche, févr. 23, 2014
The lava flows at Etna this evening
Etna (Sicily, Italy): Activity has remained more or less unchanged. The lava flows from the fissure vents on the eastern flank of the New SE crater continue to be weakly alimented and produce overlapping smaller flows. Most of them only reach only few hundred meters length, and rarely descend into the steeper western wall of Valle del Bove. As a result, most lava accumulates in the less steep area at the foot of the cone. ... lire toutes
jeudi, févr. 20, 2014
Glow from the active lava dome of Shiveluch this morning (KVERT webcam)
Shiveluch (Kamchatka): Activity at the volcano remains elevated. The lava dome extrudes currently 2 lobes of viscous lava, a larger one on the NW side and a smaller one on the SE side, which seems to have appeared around 16 Feb. The active parts of the dome suffer frequent small to moderate-sized avalanches (mainly from the NW side). Bright glow can be seen at night. ... lire toutes
mardi, févr. 18, 2014
Steaming from Kelut this morning (new VSI webcam)
Kelud (East Java): Activity has calmed down at the volcano. The new VSI webcam shows the outer crater area covered with heavy ash deposits and only a small steam plume from the crater. ... lire toutes
lundi, févr. 17, 2014
Aerial view of Popocatépetl's summit crater (image: CENAPRED)
Kilauea (Hawai'i): The tiltmeters at the summit of Kilauea and at Pu`u `O`o cinder cone both recorded continued DI inflationary tilt over the past 24HRS! ... lire toutes

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