Mi, 18. Mai 2022, 17:52
On 13 May OVSICORI-UNA reported that 23 small phreatic explosions at Rincón de la Vieja were recorded during the previous week. Eruptive events at 2328 on 10 May and 0700 on 11 May were recorded by the seismic network through darkness and cloudy weather conditions prevented visual confirmation. Tremor levels decreased significantly on 12 May.
Do, 12. Mai 2022, 05:37
On 5 May OVSICORI-UNA reported an average of two daily phreatic explosions at Rincón de la Vieja during the previous week. The events did not eject material outside of the crater and produced steam plumes that rose no higher than 200 m above the crater rim. A phreatic explosion at 1650 on 6 May produced a steam plume that rose 500 m.
Fr, 29. Apr 2022, 07:04
OVSICORI-UNA reported that a small eruptive event at Rincón de la Vieja was recorded at 0618 on 25 April, though it was not visible due to weather conditions. Another small event was recorded at 0156 on 26 April; the plume was not visible due to conditions.
Read allDo, 28. Apr 2022, 00:35

Rincón de la Vieja Cráter Activo from the NE. Photo Credit: OVSICORI-UNA.
OVSICORI-UNA reported that a small eruptive event at Rincón de la Vieja was recorded at 06:18 on 25 April. Another small event was recorded at 01:56 on 26 April. Neither event was visible due to weather conditions.
Fr, 22. Apr 2022, 12:05
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Rincón de la Vieja. Photo Credit: OVSICORI-UNA.
OVSICORI-UNA reported four phreatic eruptions during the first week of April. None of the eruptions were energetic enough to generate lahars.
Read allDo, 14. Apr 2022, 00:04
OVSICORI-UNA reported that a small eruptive event at Rincón de la Vieja was recorded at 0136 on 6 April, though the event was not visible due to poor visibility. Two small phreatic eruptions were recorded on 7 April at 1141 and 1323, based on webcam data. The resulting plumes rose 1,000 m and 500 m above the crater, respectively.
Read allMi, 6. Apr 2022, 20:07
OVSICORI-UNA reported that 10 eruptive events at Rincón de la Vieja had been recorded since 15 March, one of which was detected on 27 March. Between 28 and 29 March a swarm of long-period earthquakes were detected. On 4 April at 1042 an eruption that lasted 1.5 minutes produced a plume, but the height was not observed due to weather conditions.
Read allMi, 30. Mär 2022, 19:55
OVSICORI-UNA reported that several eruptive events at Rincón de la Vieja were recorded during 22-26 March, though none were visible due to weather conditions. A one-minute-long event was recorded at 0350 on 22 March. A series of pulses occurred over a 20-minute period, at 0140, 0146, and 0159 on 23 March, with additional small events at 1045, 1339, 1939, and 2244.
Read allMi, 23. Mär 2022, 21:15
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Satellitenbild des Rincón de la Vieja Vulkans am 23 Mar 2022
Mi, 23. Mär 2022, 19:36
OVSICORI-UNA reported that eruptive events at Rincón de la Vieja were recorded at 0405 on 19 March, 1402 on 20 March, and 0350 on 22 March. The events lasted 1-8 minutes each and no plumes were visible due to weather conditions.
Read allDo, 17. Mär 2022, 09:54
OVSICORI-UNA reported that an eruptive event at Rincón de la Vieja was recorded at 0956 on 15 March. No plumes were visible due to weather conditions.
Read allDo, 10. Feb 2022, 09:26
OVSICORI-UNA reported that an eruption at Rincón de la Vieja was recorded at 1853 on 2 February. No plumes were visible due to weather conditions.
Read allDo, 3. Feb 2022, 00:27
OVSICORI-UNA reported that eruptions were recorded at Rincón de la Vieja at 2250 on 26 January, at 0716 and 1050 on 27 January, at 1308 on 30 January, and at 0447 on 1 February. No plumes were visible due to cloud cover or darkness.
Read allMi, 26. Jan 2022, 19:43
OVSICORI-UNA reported that two eruptions were recorded at Rincón de la Vieja, at 2227 on 20 January and 0225 on 23 January, though weather conditions prevented visual confirmation of plumes. Each event was 1-2 minutes long. At 1139 on 25 January an eruption produced a plume that rose 500-1,000 m.
Read allDi, 18. Jan 2022, 14:16
OVSICORI-UNA reported that at 0024 on 13 January a two-minute eruption was recorded at Rincón de la Vieja, though weather clouds prevented visual confirmation. Residents to the N heard the eruption and felt vibrations, and lahars were seen in the Rio Azul. Small eruptive events were recorded at 1153 on 15 January and 1243 on 18 January, but plumes were not visible due to weather clouds.
Read allDo, 6. Jan 2022, 18:05
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The eruption visibility at Rincon de la Vieja volcano yesterday was limited due to dense clouds (image: OVSICORI)
The Observatorio Vulcanológico y Sismológico de Costa Rica (OVSICORI) recorded an explosive eruption at the volcano at 18:33 local time yesterday that lasted about 2 minutes. The height of the ash plume is unknown due to visibility as it was very limited due to dense clouds.
Read allMi, 5. Jan 2022, 15:42
OVSICORI-UNA reported that multiple eruptive events were recorded at Rincón de la Vieja on 5 January, though most of them were small. A notable explosion at 1833 ejected incandescent material above the crater rim that was visible in webcam images for about 30 seconds. Darkness obscured views of a plume and no ash was visible in satellite images.
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