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La Palma volcano update: Strongest-so-far quake at magnitude 5.1 at only 26 km depth under island

Wed, 3 Nov 2021, 07:50 07:50 AM | BY: T
Seismic trace of the magnitude 5.1 quake under La Palma this morning (image: IGN)
Seismic trace of the magnitude 5.1 quake under La Palma this morning (image: IGN)
This morning's magnitude 5.1 event, which hit at 7.27 a.m., is the strongest-so-far tremor under the volcano since the seismic crisis followed by the ongoing eruption began in September.
It was felt all over the island, and if the depth is correct of only 26 km it deviates significantly from the depth layer around 35-40 km, which has been where other stronger quakes in the range of magnitudes 4.5-5 that have occurred so far.
This could be due to new magma intrusion into intermediate layers at this depth. It will be important to see whether it will be followed by an increase of lava activity in the near future (several hours from now possibly).

Previous news

Wed, 3 Nov 2021, 07:36

La Palma volcano update: Tremor remains lower, but earthquakes pick up, magnitude 5.1 this morning

View of the eruption on La Palma at dawn today (image: Canarias TV live stream)
Activity continues with ash emissions from the main vent and lava effusion from the lower one, feeding most of it into a tube system. ... Read all
Wed, 3 Nov 2021, 06:00

La Palma volcano (Spain) - Smithsonian / USGS Weekly Volcanic Activity Report for 3 November-9 November 2021 (Continuing Activity)

The eruption at La Palma continued during 2-9 November, characterized by Strombolian explosions and lava fountaining from multiple vents, advancing and branching lava flows, and daily ash emissions. Eruption details are based on official sources including PEVOLCA (Plan de Emergencias Volcánicas de Canarias) steering committee daily summaries. Volcanic tremor levels decreased around noon on 2 November and again during 4-5 November, and remained at low levels through 9 November. ... Read all
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La Palma volcano
shield volcano 2426 m
Canary Islands, 28.58°N / -17.84°W
Current status: normal or dormant (1 out of 5) La Palma volcano eruptions:
2021 (Sep - ongoing), 1971, 1949, 1712, 1677-1678, 1646, 1585
Typical eruption style

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