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Momotombo volcano (Nicaragua) - Smithsonian / USGS Weekly Volcanic Activity Report for 17 February-23 February 2016 (Continuing Activity)

Wed, 17 Feb 2016, 06:00
06:00 AM | BY: VN
INETER reported that during 16-17 February two explosions at Momotombo were accompanied by tremor, and produced ash emissions and ejected incandescent material onto the flanks. The first and largest explosion (recorded at 0344) ejected incandescent tephra 800 m above the crater. RSAM values were at low-to-moderate levels.
Based on webcam views and satellite images, the Washington VAAC reported that on 19 February ash emissions rose to an altitude of 3.6 km (12,000 ft) a.s.l. and drifted SW and WSW. The next day ash emissions drifted SW.
On 21 February ash plumes drifted about 80 km W and 25 km E.

Source: Instituto Nicaragüense de Estudios Territoriales (INETER)
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From: Global Volcanism Program, 2016. Report on Momotombo. In: Mayberry, G (ed.), Weekly Volcanic Activity Report 17 February-23 February 2016. Smithsonian Institution and US Geological Survey.

Previous news

Tue, 16 Feb 2016, 09:05

Momotombo volcano (Nicaragua): new explosion yesterday

Eruption of Momotombo yesterday
Another moderately strong explosion occurred from the summit crater yesterday 13:08 local time, ejecting an ash plume that rose approx. 1000 m and many incandescent bombs that ignited bush fires on the upper flank of the volcano. Read all
Sun, 14 Feb 2016, 09:29

Momotombo volcano (Nicaragua): explosion triggers pyroclastic flow

Momotombo's eruption with pyroclastic flow yesterday
Another explosion occurred at the volcano yesterday at 10:40 local time. It produced a pyroclastic flow that descended the NE flank through the prominent ravine that also had channeled the recent lava flow from 2015. ... Read all
Show more
Momotombo volcano
stratovolcano 1297 m / 4,255 ft
Nicaragua, 12.42°N / -86.54°W
Current status: normal or dormant (1 out of 5) Momotombo volcano eruptions:
2015-ongoing (2016), 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
Typical eruption style
explosive, strombolian activity
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