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Diaporama
Masaya volcan
caldeira 635 m / 2,083 ft
Nicaragua, 11.98°N / -86.16°W
Condition actuelle: en éruption (4 sur 5)
Masaya webcams / données en temps réel | Reports
Masaya livres
Eruptions du volcan Masaya:
2008, 2006, 2005, 2004 (?), 2003, 2001, 1999-2000, 1998, 1997, 1996, 1993-94, 1989, 1987, 1965-85, 1948, 1946-47, 1925, 1919-24, 1918, 1913, 1906, 1904, 1902-03, 1858-59, 1858 (?), 1856-57, 1853, 1852, 1772, 1670, 1613 (?), 1586, 1570, 1551, 1524-44
Tephrochronology and radiocarbon-dated: 150 AD, 170 BC ± 100 years, 4050 BC
Style éruptif tipique:
effusive, sometimes lava lakes, strombolian activity
Derniers séismes proches
Derniers images satellite
 

Masaya volcano news & activity updates

Masaya volcano (Nicaragua): new signs of unrest (?)

lundi déc. 14, 2015 10:26 | AUTEUR : T

Crater glow at Masaya volcano this morning (INETER crater webcam)
Crater glow at Masaya volcano this morning (INETER crater webcam)
According to local press articles referring to information from INETER, the volcano's activity is on the rise, with "lava being close to the surface".
The main crater of the volcano appears covered with debris from rockfalls from the crater walls, but visible incandescence, strong degassing sounds and small flames (from combusting gasses) jetting from between cracks on the floor, suggest that lava might be not far underneath and could again lead to the formation of a new lava lake, last observed in 1999.
On the other hand, seismic activity has been at low levels and not shown significant variations recently, not suggesting that significant movements of magma towards the surface have taken place.
Also, the incandescence of the vent at the main crater has been there for a number of years already.
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Source:
Actualités précédentes
Seismic recording from Masaya (MASN station, INETER)
vendredi, juin 28, 2013
Seismic activity remains low. [details]

vendredi, mai 17, 2013
Seismic activity has remained at normal, generally low levels during the past weeks. Occasionally, phases of weak increased tremor are visible. [details]
Current seismic signal from Masaya volcano (MASN station, INETER)
mardi, avril 23, 2013
Seismic activity has generally remained low and near normal levels at the volcano over the past weeks. [details]
This morning's seismic signal at Masaya (MASN station, INETER)
lundi, avril 15, 2013
Seismic activity is unstable, with a phase of weak tremor (and a regional earthquake) visible on this morning's seismogram. [details]
Last evening's seismic signal at Masaya (MASN station, INETER)
dimanche, avril 14, 2013
The volcano experienced what appears to be a seismic swarm and a phase of increased tremor during the night, but has calmed down again by now. [details]

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