Jebel Zubair volcano news & activity updates

New island in the Red Sea stopped erupting

Wed, 18 Jan 2012, 00:01
00:01 AM | BY: T
The new island seen on January 15, 2012 (NASA Earth Obbservatory)
The new island seen on January 15, 2012 (NASA Earth Obbservatory)
Comparison of NASA images of the same island at different stages
Comparison of NASA images of the same island at different stages
It appears from the latest NASA satellite images that the eruption that has formed the new island has ended, leaving an impressive new elongated island about 1000 m long and 500 m wide just 500 m NNW of Rugged Island in the Zubair archipelago.
The island, whose name yet needs to be published, belongs to Yemen.
If it consists of sufficiently large quantities of hard lava flows instead of loose ash and scoria, it will probably resist wave eruption long enough to become a permanent feature in the archipelago, but it will certainly take some time before it can possibly be inhabited (if anyone wants to live there anyway...).

Jebel Zubair volcano (Red Sea, Jemen): satellite image shows growth of new island

Wed, 11 Jan 2012, 11:54
11:54 AM | BY: T
The new island in the Red Sea on 7 Jan 2012 (NASA Earth Observatory)
The new island in the Red Sea on 7 Jan 2012 (NASA Earth Observatory)
New images were released from NASA, showing the rapid growth of a new island in the Zubair archipelago in the Red Sea.
This new satellite image, acquired January 7, 2012, suggests that the eruption has risen nearly completely above water. A plume of steam, other volcanic gases, and ash spews from a distinct cone. The land surrounding the vent has grown, and is now about 530 by 710 meters (1,700 by 2,300 feet) across. Once above water, past eruptions in the Zubair Islands were primarily effusive, with relatively runny lava forming thin lava flows.
In contrast to the fragmented rock that forms when lava interacts directly with water, lava that solidifies on land is tough, so this new island is likely to be permanent.
Compare this to the satellite picture of the same area from 23 December to see the growth of the island (below).

Zubair volcano (Jemen, Red Sea): New dramatic video shows volcanic eruption

Wed, 4 Jan 2012, 19:43
19:43 PM | BY: TP
Surtseyan eruption at the newly formed island in the Red Sea
Surtseyan eruption at the newly formed island in the Red Sea
A new dramatic video of the recent volcanic eruption in the Red Sea in the Zubayr group of islands west of Jemen has emerged on youtube. The video was taken from a military helicopter and shows the newly-born island in the highly explosive phase, when magma in contact with sea water lead to very strong steam and ash explosions (so-called surtseyan activity), producing huge ash and steam clouds. Unfortunately, the date of the video is not specified, but it is probably from around 22-23 December.

New island born in the Red Sea at the Zubair archipelago (Jemen)

Wed, 28 Dec 2011, 20:19
20:19 PM | BY: T
The new island in the Red Sea seen on 23 Dec 2011 (NASA Earth Observatory)
The new island in the Red Sea seen on 23 Dec 2011 (NASA Earth Observatory)
The same area with no island before
The same area with no island before
NASA satellite images show that the eruption in the Red Sea in the Zubair archipelago has produced a new island. The island is circular, about 500 m wide and located about 1 km north of Rugged Island. It consists of fresh probably basaltic lava flows and an active vent seems to be in its center.
A large steam plume, generated by evaporating sea water at the entry of lava flows into the sea is seen on the satellite image, drifting north.
The island has apparently passed through an explosive Surtseyan phase very quickly, probably because the erupting basalt lava was poor in gas and because the output rate was high, so that the vent could be sealed from water access in short time.

Previous news

Wed, 21 Dec 2011, 08:15
MODIS thermal image of the area of the reported eruption (the Zubair islands are in the center). No hot spot is visible, which could indicate either the eruption was extremely short and small, or there was another cause of the report.
(update 21 Dec:) ... Read all
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