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Online Gandalf The White  
#1041 Posted : 29 November 2021 20:48:37(UTC)
Gandalf The White

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Originally Posted by: doctormog Go to Quoted Post

The La Palma eruption is still going strong with a new vent, and lava flows, opening up yesterday. The current view is impressive: https://youtu.be/ndy422chyW8 

Hi Michael.  I’ve been following the eruption fairly regularly on a couple of YouTube channels over the last few weeks. That new vent is causing concern because of the rate of flow and the risk of the lava stream causing new damage. 

Apparently there has been another increase in the number of earthquakes.

Location: South Cambridgeshire

130 metres ASL

52.0N 0.1E

Offline doctormog  
#1042 Posted : 30 November 2021 19:18:36(UTC)
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Yes, that vent is certainly causing problems I think. Remarkably (based on previous events) the eruption doesn’t show any really signs of stopping in the immediate future.

This is an impressive video of the new lava flow:

 

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Online Gandalf The White  
#1043 Posted : 30 November 2021 20:41:15(UTC)
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Originally Posted by: doctormog Go to Quoted Post

Yes, that vent is certainly causing problems I think. Remarkably (based on previous events) the eruption doesn’t show any really signs of stopping in the immediate future.

This is an impressive video of the new lava flow:

 

Yes, that is impressive.  On a YouTube video I saw last night it was described as being like a waterfall, with very fluid lava flowing down.

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Location: South Cambridgeshire

130 metres ASL

52.0N 0.1E

Online Gandalf The White  
#1044 Posted : 01 December 2021 17:05:38(UTC)
Gandalf The White

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A whopping 371 earthquakes in the last 24 hours on La Palma, following 250 in the previous 24 hours.

 

Location: South Cambridgeshire

130 metres ASL

52.0N 0.1E

Offline doctormog  
#1045 Posted : 04 December 2021 07:18:18(UTC)
doctormog

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There is an ongoing glacial flood at Grimsvötn in Iceland currently and the glacier above the volcano has subsided by over 38m in the last week or two. Whether this is a precursor to an eruption remains to be seen, but it is a possibility.
Offline Roger Parsons  
#1046 Posted : 04 December 2021 07:59:31(UTC)
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Originally Posted by: doctormog Go to Quoted Post
There is an ongoing glacial flood at Grimsvötn in Iceland currently and the glacier above the volcano has subsided by over 38m in the last week or two. Whether this is a precursor to an eruption remains to be seen, but it is a possibility.

Water plus eruptions always a concerning prospect DrM! We will need to keep an eye on this one. We know about Grim in Lincolnshire!

Roger

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.

William Cobbett, in his Rural Rides - c.1830

Offline Perthite1  
#1047 Posted : 04 December 2021 12:18:48(UTC)
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A big eruption of Semeru in the last few hours on the eastern side of Java. Reports of the ash cloud hitting between 40,000 and 50,000 feet. 

Offline doctormog  
#1048 Posted : 04 December 2021 12:27:50(UTC)
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Originally Posted by: Perthite1 Go to Quoted Post

A big eruption of Semeru in the last few hours on the eastern side of Java. Reports of the ash cloud hitting between 40,000 and 50,000 feet. 


That looks like a really big eruption based on the video footage.

https://www.youtube.com/watch?v=5ywUUOjpBZ4 

Offline Perthite1  
#1049 Posted : 04 December 2021 12:35:28(UTC)
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Originally Posted by: doctormog Go to Quoted Post

 


That looks like a really big eruption based on the video footage.

https://www.youtube.com/watch?v=5ywUUOjpBZ4 

Very little information about it. The only reason I know is through a friend in Jakarta on Facebook. 

Offline picturesareme  
#1050 Posted : 04 December 2021 13:02:12(UTC)
picturesareme

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Originally Posted by: Perthite1 Go to Quoted Post

 

Very little information about it. The only reason I know is through a friend in Jakarta on Facebook. 

https://www.bbc.co.uk/news/world-asia-59532251

 

Offline Roger Parsons  
#1051 Posted : 05 December 2021 09:05:38(UTC)
Roger Parsons

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Location: Lincolnshire

Reflecting on the recent newsworthy volcanic eruptions mentioned above I did some [rather unproductive] searching for recent research on the impact of volcanic dust on climate. I did however encounter an intriguing paper on the correlation between Volcanic impact and political upheaval which I feel sure some posters will enjoy thinking about:

"State or societal collapses are often described as featuring rapid reductions in socioeconomic complexity, population loss or displacement, and/or political discontinuity, with climate thought to contribute mainly by disrupting a society’s agroecological base."

Volcanic climate impacts can act as ultimate and proximate causes of Chinese dynastic collapse
https://www.nature.com/articles/s43247-021-00284-7



Roger

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.

William Cobbett, in his Rural Rides - c.1830

Offline doctormog  
#1052 Posted : 22 December 2021 10:25:20(UTC)
doctormog

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I’m keeping a very close eye on Iceland this morning as there is a very large ongoing swarm of activity where the earlier eruption was. There could be a new event very shortly.
Offline Hippydave  
#1053 Posted : 22 December 2021 12:00:46(UTC)
Hippydave

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Location: Tunbridge Wells

Originally Posted by: doctormog Go to Quoted Post
I’m keeping a very close eye on Iceland this morning as there is a very large ongoing swarm of activity where the earlier eruption was. There could be a new event very shortly.

Hadn't spotted that, ty for the heads up

Certainly a rather dramatic uptick in tremor:-

Fagradalsfjall Iceland Earthquake Live Stream - YouTube

Existing crater has some smoke/steam rising although not sure that's unusual as it's been doing that since the eruption stopped, presumably just latent heat.

 

Home: Tunbridge Wells

Work: West Malling

Offline Chunky Pea  
#1054 Posted : 24 December 2021 17:46:19(UTC)
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Ireland
Location: East Galway, Ireland 35 m asl

MDL Iceland cam caught a small tremor at the Geldingadair volcano just after 3pm today:

You can even see a few rocks being shaken out of place on the volcano itself.

Ireland 2022 Monthly Average/D.F. 81-10.

May: 12.3c / +1.4c

June: 13.7c / +0.4c

Year (up to July 2nd) 9.3c / +0.9c

Offline wingman  
#1055 Posted : 15 January 2022 08:44:05(UTC)
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Just caught this on the news, Hunga Tonga-Hunga Haʻapai eruption;

https://www.bbc.co.uk/news/world-asia-60007119

Some of what is being reported in terms of where impacts are being felt is astonishing (e.g sounds of the eruption being heard over 500 miles away).

 

Offline Perthite1  
#1056 Posted : 15 January 2022 08:58:16(UTC)
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Ash cloud of 100,000 feet? As being reported over here in Australia. That’s a very large eruption.
Offline doctormog  
#1057 Posted : 15 January 2022 09:01:14(UTC)
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The footage shows it is a very powerful eruption. The satellite imagery is remarkable: 

 

 

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Offline Roger Parsons  
#1058 Posted : 15 January 2022 09:04:37(UTC)
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Location: Lincolnshire

Originally Posted by: wingman Go to Quoted Post

Just caught this on the news, Hunga Tonga-Hunga Haʻapai eruption;

https://www.bbc.co.uk/news/world-asia-60007119

Some of what is being reported in terms of where impacts are being felt is astonishing (e.g sounds of the eruption being heard over 500 miles away).

 

Short clip here - impressive and frightening. There is a lot of low land in Tonga and many people could be affected.

https://www.bbc.co.uk/news/av/world-asia-60007163

Here's the NZ coverage:

https://www.rnz.co.nz/news/top/459618/live-updates-tsunami-advisory-for-parts-of-nz-s-north-island-waves-crashing-into-tonga

 

Roger

 

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.

William Cobbett, in his Rural Rides - c.1830

Online Gandalf The White  
#1059 Posted : 15 January 2022 09:28:20(UTC)
Gandalf The White

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Posts: 51,810
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Originally Posted by: wingman Go to Quoted Post

Just caught this on the news, Hunga Tonga-Hunga Haʻapai eruption;

https://www.bbc.co.uk/news/world-asia-60007119

Some of what is being reported in terms of where impacts are being felt is astonishing (e.g sounds of the eruption being heard over 500 miles away).

 

The pressure wave was detected as it passed over Auckland, with a 4mb pressure blip. That’s 1,250 miles away.

Location: South Cambridgeshire

130 metres ASL

52.0N 0.1E

Offline picturesareme  
#1060 Posted : 15 January 2022 11:54:59(UTC)
picturesareme

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Location: costa solent

Originally Posted by: doctormog Go to Quoted Post

The footage shows it is a very powerful eruption. The satellite imagery is remarkable: 

 

 

I wonder what the VEI is for the eruption?

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