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Volcano and Earthquake watch

RUV need a bodyguard for that webcam.

In the last half hour several people have been acting the goat usually "phoning a friend & waving on camera" or moving snow about.
 
Late last night, the two main cones had a major shake-up, the result was the collapse of much of structure facing the webcam.

Also, yesterday, I found a 3D map with [predicted] lava depths ... If I can find the link again I'll post it ...
 
Last edited:
La Soufrière might go up. Evacuations ordered.

3281.jpg


www.theguardian.com

Saint Vincent orders evacuations as volcanic eruption appears imminent

Caribbean island says there is a ‘substantial prospect of disaster’ after several days of increased seismic activity
www.theguardian.com www.theguardian.com
 
WouldBe said:
4th? That shows 6 :eek:
Click to expand...

4 eruption sites - named unofficially by the u-tubers ...
  • "Bob" is two vents that are close together, they opened at the same time [19th March], although one was a lot smaller than the other at first.
  • "Flo" is a larger fissure, and was the second site. It opened on 5th April, with lava fountains along the full length, this settled into three main vents, the most southerly has since ceased the fountaining, although lava is still flowing..
  • "Sif" was the third vent to erupt, starting at midnight on the 7th April and is about midway between the first two sites.
  • "Ulf" is the four vent, began erupting on 10th April, located between Flo and Sif, and on the same alignment.

All are effusive eruptions of very fluid lava, with some gases - the fountaining is building splatter (cinder) cones which are not especially structurally sound ["Bob" having partially collapsed several times], but almost no ash.
 
Heard from friends in Barbados that everything is covered in ash and they are advised to stay inside. Not heard from Vincie mates but they are located outside the 'red zone' and power had apparently gone down. With Mont Pelee in Martinique having a grumble too it's all happening in the Windward Islands

*slightly concerned for family in St Lucia...got ash falling there too.
 
StoneRoad said:
4 eruption sites - named unofficially by the u-tubers ...
  • "Bob" is two vents that are close together, they opened at the same time [19th March], although one was a lot smaller than the other at first.
  • "Flo" is a larger fissure, and was the second site. It opened on 5th April, with lava fountains along the full length, this settled into three main vents, the most southerly has since ceased the fountaining, although lava is still flowing..
  • "Sif" was the third vent to erupt, starting at midnight on the 7th April and is about midway between the first two sites.
  • "Ulf" is the four vent, began erupting on 10th April, located between Flo and Sif, and on the same alignment.

All are effusive eruptions of very fluid lava, with some gases - the fountaining is building splatter (cinder) cones which are not especially structurally sound ["Bob" having partially collapsed several times], but almost no ash.
Click to expand...


Yesterday, I discovered the meaning behind these names - which, incidentally, are all three letter abbreviations.

BOB = Belching out Basalt [from c 20:45 (UTC) 19th March 2021] two main vents, Northern & Southern
FLO = Fast Lava Output [from 11:37 (UTC) 5th April 2021] three vents, the most southerly has ceased activity
SIF = Sudden Icelandic Fissure or the wife of Thor [00:00 (UTC) 7th April 2021] single vent, reduced activity from around 11/12th April
ULF = Unexpected Lava Flow also Norse for wolf [from 03:13 (UTC) 10th April 2021] was very active overnight 12th/13th April
[ulf is sometimes referred to as LON]
Webcams were offline during the morning of 12th April.
Seems to be more spectacular venting overnight, the fountaining and flows being more visible.

The level in the lava lake on Geldingadalir seemed to drop somewhat mid-morning of 13th April. Last time this happened - significant level drop - FLO opened some hours later ...
 
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