La Palma volcano: activity drops sharply, eruption might have ended or is pausing
Di, 14. Dez 2021, 15:11
15:11 PM | VON: T
No activity seen at the cone on La Palma this afternoon (image: Canarias TV live stream)
Seismic signal at TBT station (image: IGN)
Aerial view of the area this morning (image: Government of La Palma/ opendatalapalma.es)
Current tremor amplitude past 7 days (image: IGN)
After a temporary strong increase yesterday producing lava fountaining and tall ash plumes, visible activity decreased drastically and more or less ceased today. No significant explosions or lava flows can be seen on any of the available images from the vents or on this morning's drone surveillance flight. Volcanic tremor has dropped to its lowest levels since the eruption began, and is close to absent now.
The absence of tremor in the signal in turn allows to detect tiny quakes of magnitudes below 2, which leads to an increase in the number of total detected quakes - IGN reported 129 events, but only 5 of them were at least of magnitude 3 and none above 3.2, which is among the lowest-by-energy combined values counts since the beginning of the eruption.
Whether or not the eruption is now already at its end is hard to say, but it is most likely at least close to it.
Más imágenes de la zona cercana a la fisura a las 12.45 hora canaria / More footage of the area near the fisure at 12.45 pm Canarian time pic.twitter.com/xi1rixC1ZL
— INVOLCAN (@involcan) December 14, 2021
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Mo, 13. Dez 2021, 23:10
After yesterday's large explosion at noon, the eruption gained in intensity, both explosive and effusive, during the evening and night. After being quieter most of the day today, it increased again in the evening, shown by the strongly fluctuating volcanic tremor signal. ... Read all
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