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La Palma volcano update: Increasing volcanic tremor, latest data on lava volume

Пт, 29 окт 2021, 16:03 16:03 PM | АВТОР: T
Current seismic signal at La Palma's TBT station (image: IGN)
Current seismic signal at La Palma's TBT station (image: IGN)
Seismic activity has been very high with over 200 quakes between magnitudes of 2.5-4.2 during the latest 24 hours alone. In the past hours, tremor amplitude has increased although visible activity has not, as far as can be judged from often cloudy webcam views.
The latest data on the eruption indicate a magma discharge rate of approx. 66 cubic meters per second, a remarkably high value given the eruption is now well into its second month. It now totals nearly 230 million cubic meters, or a quarter of a cubic kilometer, of lava added to the island in volume, about as much as the large 1991-93 flank eruption of Mt Etna that threatened the village of Zafferana back then...
On top of the lava, the eruption releases approx. 16,350 tons of sulphur dioxide per day.

Предыдущие новости

Fri, 29 Oct 2021, 09:05

La Palma volcano update: Quakes picking up again

Depth vs time of quakes under La Palma
Earthquakes under the volcano seem to be on the increase again. During the past hour alone, 4 quakes of magnitudes greater than 3 have occurred at depths of 10-12 km. The largest at magnitude 3.9 at 9.38 a.m., about 30 minutes ago, was widely felt. ... Read all
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La Palma вулкан
щитовой вулкан 2426 m
Canary Islands, 28.58°N / -17.84°W
Текущее состояние: normal or dormant (1 из 5) La Palma Вулкан-извержения:
2021 (Sep - ongoing), 1971, 1949, 1712, 1677-1678, 1646, 1585
Типичный извержения стиль
effusive

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