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Masaya volcano (Nicaragua) - Smithsonian / USGS Weekly Volcanic Activity Report for 16 October-22 October 2019 (New Activity / Unrest)

Wed, 16 Oct 2019, 06:00
06:00 AM | BY: VN
According to news reports, ash was emitted from Masaya on 15 October, causing very minor ashfall in Colonia 4 de Mayo, 6 km NW.

Source: La Jornada
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From: Global Volcanism Program, 2019. Report on Masaya. In: Mayberry, G (ed.), Weekly Volcanic Activity Report 16 October-22 October 2019. Smithsonian Institution and US Geological Survey.

Previous news

Wed, 24 Jul 2019, 06:00

Masaya volcano (Nicaragua) - Smithsonian / USGS Weekly Volcanic Activity Report for 24 July-30 July 2019 (New Activity / Unrest)

INETER reported that at 1655 on 21 July a small explosion at Masaya's Santiago Crater produced a gas-and-ash plume that drifted NW and W. A thin layer of ash was deposited near the volcano and in surrounding communities downwind, including San Ignacio, Panamá, and Arenal. During field visits during 21-22 July, INETER volcanologists confirmed that the emissions had originated from a vent on the crater floor. ... Read all
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Masaya volcano
caldera 635 m / 2,083 ft
Nicaragua, 11.98°N / -86.16°W
Current status: erupting (4 out of 5) Masaya volcano eruptions:
2012, 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
Typical eruption style
effusive, sometimes lava lakes, strombolian activity
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