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Diaporama
Momotombo volcan
stratovolcan 1297 m / 4,255 ft
Nicaragua, 12.42°N / -86.54°W
Condition actuelle: normal / en sommeil (1 sur 5)
Momotombo webcams / données en temps réel | Reports
Momotombo livres
Eruptions du volcan Momotombo:
1918 (?), 1905, 1902, 1886-87, 1885 (?), 1882, 1878, 1870, 1858-66, 1854, 1852, 1849, 1764, 1736, 1609 (?), 1605-06, 1578, 1524
Radiocarbon-dated: 1100 ± 50 years, 800 BC ± 50 years, 2550 BC ± 300 years
Style éruptif tipique:
explosive, strombolian activity
Derniers séismes proches
Derniers images satellite
 

Momotombo volcano news & activity updates

Momotombo volcano (Nicaragua): small explosive eruptions this morning, first eruption in 110 years

mardi déc. 01, 2015 17:36 | AUTEUR : T

Eruption of Momotombo volcano this morning (from TN8 Nicaragua video)
Eruption of Momotombo volcano this morning (from TN8 Nicaragua video)
A series of at least 4 small explosions occurred at the volcano this morning, at 07:49, 08:17, 08:42, and 08:55 local time. The eruptions, in particular the last and largest one, produced steam and ash plumes that rose up to approx. 1 km from the summit.
Light ash fall was observed in the community of El Papalonal and near the Momotombo geothermal plant to the SW of the volcano.



This marks the first eruptive activity of the volcano in 110 years, the last confirmed eruption of Momotombo having been back in 1905. Since 1524, the volcano has known 16 recorded eruptions, most of them small, probably phreatic explosions. Larger eruptions occurred in 1605 and 1609, when explosions ejected larger bombs and blocks to considerable distances,- reportedly they fell in the area of the now abandoned town of León Viejo approx. 6 km west from the volcano.

The volcano has been showing seismic unrest during the past few years already with frequent shallow earthquakes occurring in the area.
A team of volcanologists from INETER has arrived to take samples of the ash, gasses and monitor the volcano more closely. Armando Saballos from INETER ruled out that the explosion from this morning is likely to have any relationship with the currently increased activity phase of nearby Telica volcano.
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Source:
Actualités précédentes
Today's earthquakes under Momotombo volcano
mercredi, déc. 03, 2014
The volcano remains restless. A small earthquake swarm started this morning under the northern flank of the volcano. ... [details]
Map of recent earthquakes at Momotombo volcano
mardi, mai 27, 2014
A strong swarm of earthquakes occurred at shallow (1-10 km) depths beneath the southern flank of the volcano during Sunday-Monday. The largest quake was a magnitude 4.1 event. ... [details]

samedi, avril 19, 2014
INETER reported that the shore of Lake Managua retreated in some areas close to the epicenters of the recent earthquakes. Residents from the area Xiloá-Apoyeque, located about 2 km east of Comarca el Marañonal (at km 17 on the Xiloá highway) observed that the beach retreated for 16 meters on a strech of 500 m length. ... [details]
Current seismic signal at Momotombo volcano (MOMN station, INETER)
dimanche, avril 13, 2014
Seismicity in the volcanic chain between Momotombo and Apoyeque volcanoes remains high. Dozends of shallow earthquakes in the magnitude 3-5 range have been occurring daily in a cluster SE of Momotombo and near Apoyeque. ... [details]
Recent earthquakes near Momotombo volcano (past 24 hours)
vendredi, avril 11, 2014
A shallow magnitude 6 earthquake occurred last evening 15 km NE from Momotombo volcano, followed by ongoing numerous aftershocks in the area east of the volcano, as well as near Apoyeque volcano on the peninsula in Lake Managua to the SE. ... [details]

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