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Rincon de la Vieja volcano (Costa Rica): phreatic eruptions this week

Thu, 28 May 2020, 07:28 | BY: MARTIN
Phreatic eruption from Rincon de la Vieja volcano (image: OVSICORI)
Phreatic eruption from Rincon de la Vieja volcano (image: OVSICORI)
Explosion from Rincon de la Vieja volcano on 26 May (image: OVSICORI)
Explosion from Rincon de la Vieja volcano on 26 May (image: OVSICORI)
Emissions of gas and steam from Rincon de la Vieja volcano on 25 May (image: OVSICORI)
Emissions of gas and steam from Rincon de la Vieja volcano on 25 May (image: OVSICORI)
OVSICORI-UNA recorded a few phreatic or hydrothermal explosions this week.
On 25 May at 17:34 and 17:38 local time a phreatic explosions generated a gas-steam plume that rose approx. 3,280 ft (1,000 m) above the crater. No ashfall was reported.
On 26 May at 16:21 local time an emissions of gas and steam plumes with minor ash content occurred. An ash plumes reached 11,207 ft (3,416 m) altitude.
On 27 May at 15:21 local time a surveillance cameras observed an eruption that rose 4,921 ft (1,500 m) above the summit.
Some of the events were not visually confirmed by webcams because of weather conditions or darkness.
Source: Observatorio Vulcanológico y Sismológico de Costa Rica volcano activity update 28 May 2020

Previous news

Wed, 27 May 2020, 06:00

Rincon de la Vieja volcano (Costa Rica) - Smithsonian / USGS Weekly Volcanic Activity Report for 27 May-2 June 2020 (Continuing Activity)

OVSICORI-UNA reported that periodic phreatic explosions at Rincón de la Vieja continued to be recorded by the seismic network and webcams during 26-29 May and 1-2 June. Some of the events were not visually confirmed by webcams because of weather conditions or darkness. On 26 May a minor amount of ash fell in areas to the NW including in Los Angeles of Quebrada Grande, and Liberia. ... Read all
Wed, 20 May 2020, 06:00

Rincon de la Vieja volcano (Costa Rica) - Smithsonian / USGS Weekly Volcanic Activity Report for 20 May-26 May 2020 (Continuing Activity)

OVSICORI-UNA reported that periodic phreatic explosions at Rincón de la Vieja continued to be recorded by the seismic network and webcams during 20-26 May; most plumes rose no higher than 500 m above the crater rim. Some of the events were not visually confirmed by webcams because of weather conditions or darkness. A small ash eruption at 0537 on 21 May produced a plume that rose 1 km above the crater rim and contained less water vapor than plumes from eruptive events in the past weeks. ... Read all
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Complex volcano 1916 m (6,286 ft)
Costa Rica, 10.83°N / -85.32°W
Current status: minor activity or eruption warning (3 out of 5) Rincón de la Vieja volcano eruptions:
1529(?), 1765, 1844, 1849, 1851(?), 1853-54, 1860, 1861-63, 1902(?), 1912, 1917(?), 1922, 1966-67, 1969, 1969, 1970, 1983, 1984, 1985-86, 1987, 1991-92, 1995, 1998 (Feb.-Sep.), 2011-2012, 2014, 2015-ongoing
Typical eruption style

Explosive.