Gandalf The White
01 October 2021 22:27:46

Another fissure has opened up following a further burst of earthquakes

 

https://www.standard.co.uk/news/world/la-palma-eruption-canary-islands-volcano-satellite-image-b958395.html

 


Location: South Cambridgeshire

130 metres ASL

52.0N 0.1E



doctormog
02 October 2021 08:38:08

I find it a little disturbing that the quakes are continuing despite the ongoing eruption. Often such activity dies down as pressure is released. It makes me wonder if there are still a few developments to come (more fissures or more violent eruption).


ozone_aurora
02 October 2021 09:05:33

Vulcano Island in Aeolian Sea looks like it could erupt in the near future; there is elevated fumarolic activity there.

doctormog
02 October 2021 09:21:25

Originally Posted by: ozone_aurora 

Vulcano Island in Aeolian Sea looks like it could erupt in the near future; there is elevated fumarolic activity there.

More info here https://www.volcanodiscovery.com/it/vulcano/news/143073/Vulcano-volcano-Eolian-Islands-Italy-elevated-fumarolic-activity-Volcanic-Alert-Level-raised-to-Yell.html 

For reference the volcano in question is on an island just north of Sicily.


Gandalf The White
02 October 2021 11:28:15

An interesting podcast about the La Palma eruption with a heartbreaking story about a family losing their home and possessions.

https://news.sky.com/story/la-palma-eruption-can-a-volcanos-history-help-us-to-predict-its-future-12420674

 


Location: South Cambridgeshire

130 metres ASL

52.0N 0.1E



The Beast from the East
02 October 2021 11:36:02

Originally Posted by: doctormog 

I find it a little disturbing that the quakes are continuing despite the ongoing eruption. Often such activity dies down as pressure is released. It makes me wonder if there are still a few developments to come (more fissures or more violent eruption).

I tried to find that Channel 4 documentary from a few years ago about the MegaTsunami but it seems to have disappeared

Obviously nonsense that half the Island could collapse and even if it did, it may not trigger a large Tsunami that reaches America or us

 


"We have some alternative facts for you"

Kelly-Ann Conway - special adviser to the President

Gandalf The White
02 October 2021 12:22:58

Originally Posted by: The Beast from the East 

 

I tried to find that Channel 4 documentary from a few years ago about the MegaTsunami but it seems to have disappeared

Obviously nonsense that half the Island could collapse and even if it did, it may not trigger a large Tsunami that reaches America or us

 

I think you’ll find that the geological record shows that a tsunami has been triggered in the past by a collapse of that sort and that it isn’t just someone’s theory.


Location: South Cambridgeshire

130 metres ASL

52.0N 0.1E



doctormog
02 October 2021 12:26:06

Originally Posted by: The Beast from the East 

 

I tried to find that Channel 4 documentary from a few years ago about the MegaTsunami but it seems to have disappeared

Obviously nonsense that half the Island could collapse and even if it did, it may not trigger a large Tsunami that reaches America or us

 

It was, as far as I remember, on the BBC (Horizon possibly)?


Gandalf The White
02 October 2021 12:34:23

Originally Posted by: doctormog 

 

It was, as far as I remember, on the BBC (Horizon possibly)?

This one?

https://www.bbc.co.uk/science/horizon/2000/mega_tsunami_qanda.shtml


Location: South Cambridgeshire

130 metres ASL

52.0N 0.1E



doctormog
02 October 2021 13:09:31
Hippydave
02 October 2021 13:19:51

Originally Posted by: Gandalf The White 

Another fissure has opened up following a further burst of earthquakes

 

https://www.standard.co.uk/news/world/la-palma-eruption-canary-islands-volcano-satellite-image-b958395.html

 

The satellite pic nicely shows an earlier eruption 'delta', complete with lava flow - not sure if that was from one of the relatively recent eruptions or a much older one? (Think that was also shown in a GeologyHub video on Youtube - usually interesting watches even if the chap doing them sounds more than a little monotonal/robotic!)

On the Icelandic side of things and still no lava from the current eruption site although increased earthquake activity certainly suggests lava is on the move and may break out over the next couple of weeks. In some ways the current location was pretty perfect as it was close enough to the road that setting up cams and allowing public access was easy but with enough valleys to contain the lava flow without it causing any damage to infrastructure. Whether a new site would be so conveniently located is debateable, with it being much more likely to cause damage to roads if nothing else. 

No guarantees the lava will make it so the surface of course, be interesting to see what happens

 

 


Home: Tunbridge Wells

Work: Sevenoaks

The Beast from the East
02 October 2021 20:16:47

Originally Posted by: Gandalf The White 

 

This one?

https://www.bbc.co.uk/science/horizon/2000/mega_tsunami_qanda.shtml

Yes, but I think there was a more recent one, perhaps it was Channel 5, it was more tabloidy and dramatic


"We have some alternative facts for you"

Kelly-Ann Conway - special adviser to the President

Gandalf The White
03 October 2021 10:48:59

More earthquakes overnight and a new lava stream has developed from the new fissures, which have become more active.

https://www.theguardian.com/world/2021/oct/03/canary-islands-volcano-much-more-aggressive-as-new-fissures-erupt

 


Location: South Cambridgeshire

130 metres ASL

52.0N 0.1E



doctormog
03 October 2021 11:53:45

Originally Posted by: Gandalf The White 

More earthquakes overnight and a new lava stream has developed from the new fissures, which have become more active.

https://www.theguardian.com/world/2021/oct/03/canary-islands-volcano-much-more-aggressive-as-new-fissures-erupt

 

Yes, it’s not really showing any signs of slowing down. Here is (at time of writing) a live stream to several different feeds:

https://youtu.be/-XTRoLxo1JI 


Gandalf The White
04 October 2021 09:17:58

One of the craters collapsed overnight

https://www.reuters.com/world/europe/lava-flow-thickens-la-palma-after-volcanic-crater-collapses-2021-10-04/

 


Location: South Cambridgeshire

130 metres ASL

52.0N 0.1E



Saint Snow
04 October 2021 09:29:25

Originally Posted by: The Beast from the East 

 

I tried to find that Channel 4 documentary from a few years ago about the MegaTsunami but it seems to have disappeared

Obviously nonsense that half the Island could collapse and even if it did, it may not trigger a large Tsunami that reaches America or us

 

 

 

Plenty of experts have subsequently rubbished the theory - firstly on the basis that it's incredibly unlikely that half of Cumbre Vieja would simply slide into the ocean; and secondly that even if it did, any tsunami would be far less dramatic than the 'mega-tsunami' portrayed (2/3 metres at worst, rather than the devastating +50m portrayed)


Martin

Home: St Helens (26m asl) Work: Manchester (75m asl)

A TWO addict since 14/12/01

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doctormog
04 October 2021 16:24:53

Originally Posted by: Roger Parsons 

7.2 Quake near Vanuatu on 2nd:
https://www.reuters.com/world/asia-pacific/earthquake-magnitude-67-near-vanuatu-islands-emsc-2021-10-02/

Roger

Possibly one for the earthquake thread?  While it was a large quake I think the depth (over 500km) meant any impacts were limited.

Meanwhile La Palma’s volcano is still looking very active with lots of thick black ash being emitted currently and quite a few quakes greater than magnitude 3.

 

https://youtu.be/DFzZyTFQWo8 


Roger Parsons
04 October 2021 16:30:46

Originally Posted by: doctormog 

 Possibly one for the earthquake thread?  While it was a large quake I think the depth (over 500km) meant any impacts were limited.

Meanwhile La Palma’s volcano is still looking very active with lots of thick black ash being emitted currently and quite a few quakes greater than magnitude 3.

 

https://youtu.be/DFzZyTFQWo8 

Thanks, DrM. Done. R.


RogerP

West Lindsey district of Lincolnshire

Everything taken together, here in Lincolnshire are more good things than man could have had the conscience to ask.

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Gandalf The White
05 October 2021 11:06:15

Further update

https://www.volcanodiscovery.com/lapalma/sep2021seismic-crisis/current-activity.html


“Earthquakes continue to occur and have been slowly increasing in numbers and magnitudes approaching magnitudes of 4.0 now. During the past 24 hours, there have been 31 quakes of magnitudes 3.0-3.9 and 47 quakes between 2.0 and 2.9, while smaller quakes cannot be detected due to the volcanic tremor noise.
While most of the quakes are still 10-15 km deep under the central area of the volcano, a cluster of new, deeper quakes has appeared at depths around 35 km under the northeastern flank. What these mean is uncertain, but they might reflect even deeper magma intrusions in the upper mantle, perhaps suggesting that a magma supply system is establishing itself from a very deep source. That in turn could mean that the eruption could be going on for a very long time.”


Location: South Cambridgeshire

130 metres ASL

52.0N 0.1E



DEW
  • DEW
  • Advanced Member
07 October 2021 11:28:25

Flights to La Palma suspended again on account of volcanic ash, presumably because of it getting in to engines but could be runways covered in ash as well. TUI expecting this to last to end of October.

https://news.sky.com/story/la-palma-volcano-tui-cancels-flights-to-canary-island-until-end-of-october-after-eruption-turned-aggressive-12427283

 


"The most severe frost last night and this morning as I ever feltĀ  ... the water upstairs in the basins froze in a few minutes after being put there this morn". Parson Woodforde's Diary, 14th January 1792, Norfolk

Chichester 12m asl

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