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Earth of fire

Actualité volcanique, Article de fond sur étude de volcan, tectonique, récits et photos de voyage

Publié le par Bernard Duyck
Publié dans : #Actualités volcaniques

In Nicaragua, Momotombo activity does not fall !

Many explosions and expulsion of incandescent material took place last February 21 ... view by webcams at 3:53, 9:00 a.m., 12:53 and 3:45 p.m. local time.


Sources: Ineter & Red sismologica of Nicaragua
 

Momotombo - 02.21.2016 respectively to 3:53, 3:56 ET 3:59 local - webcam picture of the seismic station El Cardon / IneterMomotombo - 02.21.2016 respectively to 3:53, 3:56 ET 3:59 local - webcam picture of the seismic station El Cardon / Ineter
Momotombo - 02.21.2016 respectively to 3:53, 3:56 ET 3:59 local - webcam picture of the seismic station El Cardon / Ineter

Momotombo - 02.21.2016 respectively to 3:53, 3:56 ET 3:59 local - webcam picture of the seismic station El Cardon / Ineter

Momotombo - 02.21.2016 / 12:53 - photo Red sismologica of Nicaragua

Momotombo - 02.21.2016 / 12:53 - photo Red sismologica of Nicaragua

 Momotombo - 02.21.2016 / 3:46 p.m. - photo Red sismologica of Nicaragua

Momotombo - 02.21.2016 / 3:46 p.m. - photo Red sismologica of Nicaragua

Among the seismic swarms recorded in Maca region of Peru in connection with geological faults in the Colca Valley, some have been identified as related to the activity of the volcano Sabancaya, according to the OVS / PGI.

Thirty one representative events, with magnitudes between 2.5 and 5.4, occurred between 7:40 p.m. on February 19 and 6:51 on February 20. For now, located to 5-8 km south of Maca, they could influence the volcanic massif in case of rapprochement..


Sources: IGPeru / OVS
 

The massive of Sabancaya - photo A. van Eeten

The massive of Sabancaya - photo A. van Eeten

In northern Kuril Islands, a thermal anomaly was detected at Alaid volcano on 20 and 21 February. It is linked to the volcanic activity, since a low emission of ash was observed by satellite on February 20 at 10:29 p.m. UTC., with extension of the ash cloud over 50 km eastward.
The Alaid volcano could disrupt air traffic in the far north. The aviation alert code is Yellow.

Its last eruption was in 2012.


Source: KVERT

Alaid - Thermal anomaly 21.02.2016 / 2h30 - doc. MODIS VRP - Mirova

Alaid - Thermal anomaly 21.02.2016 / 2h30 - doc. MODIS VRP - Mirova

The crater of Alaid - photo 27.10.2012 A.Sokorenko / IVS FED RAS

The crater of Alaid - photo 27.10.2012 A.Sokorenko / IVS FED RAS

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