A pumice raft is a floating raft of pumice created by some eruptions of submarine volcanoes or coastal subaerial volcanoes. Pumice rafts have unique characteristics...
6 KB (688 words) - 00:38, 30 June 2024
Krakatoa, rafts of pumice drifted through the Indian Ocean for up to 20 years, with tree trunks floating among them. In fact, pumice rafts disperse and...
29 KB (3,471 words) - 10:44, 19 August 2024
large volume of low density pumice produced by the eruption accumulated as a large area of floating pumice, a pumice raft, that was originally covering...
10 KB (917 words) - 16:19, 3 August 2024
Kon-Tiki L’Égaré II La Balsa and Las Balsas Lifeboat Pre-Columbian rafts Pumice raft The Raft of the Medusa Thor Heyerdahl Poon Lim G. & C. Merriam Co., Websters...
6 KB (709 words) - 05:06, 19 September 2024
Floating island (section Pumice rafts)
keep the bog floating. Another type of natural floating island is the pumice raft, which is created by an explosive volcanic eruption, and can float on...
18 KB (1,728 words) - 05:18, 13 August 2024
Sandy Island, New Caledonia (section Pumice sea rafts)
present in this data set. The Velocity may have observed pumice sea rafts (masses of floating pumice ejected from an underwater volcano) traversing the Sandy...
16 KB (1,822 words) - 00:49, 30 June 2024
first ship to take scientific samples from a 7,500–10,000 square mile pumice raft that was discovered in the Kermadec Islands. Canterbury served as the...
27 KB (2,644 words) - 20:06, 3 July 2024
reported a large pumice raft floating in the South Pacific between Fiji and Tonga. Subsequent scientific investigations revealed the pumice raft originated...
11 KB (1,161 words) - 01:13, 3 May 2024
James Healy Seamount (redirect from Loisels Pumice)
one large explosive eruption that may have generated a pumice raft. Parts of the "Loisels Pumice" in New Zealand are suspected to have originated in this...
26 KB (3,170 words) - 09:39, 7 April 2024
eruption column and a pumice raft which later reached the coast of Australia. In August 2019 a 150 km2 (58 sq mi) pumice raft was discovered floating...
6 KB (505 words) - 15:31, 16 July 2024
seamount erupted in 1962, probably during March, and produced a large pumice raft that was swept by ocean currents around Antarctica. Various islands near...
35 KB (3,673 words) - 13:53, 29 July 2024
uprooted trees, mixed with pumice ash, washed into the sea and formed rafts of up to 5 kilometres (3.1 mi) across. One pumice raft was found in the Indian...
62 KB (6,533 words) - 04:49, 31 August 2024
ocean surface from a depth of more than 1100 m and producing a large raft of pumice floating northwest of the volcano. The eruption was not directly observed...
32 KB (3,303 words) - 08:04, 19 September 2024
blog. The eruptions produced extensive rafts of pumice, which drifted northeast from the new island. The pumice rafts and new island were imaged by the Aqua...
8 KB (681 words) - 21:22, 1 October 2023
in water. Instead, they clump on the surface of the ocean in pumice rafts. These rafts can clog salt water intake strainers very quickly, which can result...
6 KB (721 words) - 19:38, 8 July 2024
discoloration and an eruption column took place during the eruption. A possible pumice raft was also witnessed. The eruption originated about 4 km (2.5 mi) below...
2 KB (160 words) - 08:36, 11 September 2024
blocks of ice along, swept the valley clear of trees and produced a pumice raft in the sea off the mouth of the Huemules River. No pyroclastic flows...
80 KB (8,906 words) - 17:50, 23 August 2024
kilometre (0.62 mi) depth. In 1962, a submarine eruption produced a pumice raft that reached New Zealand. Another, deeper, submarine ridge connects Zavodovski...
28 KB (3,273 words) - 00:34, 11 September 2024
extruded, these smaller eruptions of unknown total size also created large pumice rafts that were later discovered deposited on the lake shoreline. The volcano...
22 KB (2,206 words) - 07:26, 11 September 2024
were recorded in Tristan da Cunha. This was subsequently followed by pumice rafting up on the shores of Tristan da Cunha. The youngest subaereal volcanic...
7 KB (783 words) - 08:08, 9 May 2024
the island was destroyed. Uprooted trees, mixed with pumice ash, washed into the sea and formed rafts up to five km (three mi) across. Between 1 and 3 October...
39 KB (4,196 words) - 08:19, 19 September 2024
are submarine volcanoes like Protector Shoal, which in 1962 produced a pumice raft that reached New Zealand. The few outcrops indicate that Montagu Island...
25 KB (2,559 words) - 19:30, 28 July 2024
phantom islands are misidentifications of breakers, icebergs, fog banks, pumice rafts from underwater volcanoes, or optical illusions. Observed in the Weddell...
37 KB (1,045 words) - 02:52, 23 September 2024
Lava balloon (category Rafts)
balloons might be proof of shallow-water volcanic eruptions. Lithophysa Pumice raft Reticulites are extremely vesicular magmatic rocks that are foamy. In...
26 KB (3,079 words) - 16:56, 9 January 2024
steam explosions. The team found no floating volcanic debris, such as pumice rafts, and the smell of volcanic gases was intermittent. Tongan officials established...
53 KB (5,168 words) - 23:54, 11 August 2024
These later smaller eruptions of unknown total size also created large pumice rafts and terminated within decades of the major eruption. The main pyroclastic...
53 KB (4,816 words) - 12:10, 21 September 2024
was first noted in 1944 (although this may constitute a misinterpreted pumice raft or disturbance of the water.) Monowai Seamount was first recognized to...
31 KB (3,106 words) - 18:19, 2 June 2024
1979 from two separate vents. The 1973 eruption produced a large raft of dacitic pumice, and had a volcanic explosivity index (VEI) of 3. List of volcanoes...
1 KB (103 words) - 07:23, 4 September 2024
in New Zealand. Very early into the voyage they encountered massive pumice rafts caused by the 2012 Kermadec Islands eruption. This was so large that...
10 KB (1,089 words) - 08:00, 29 January 2023
Umnak and Unalaska to form deposits on the latter, probably on top of pumice rafts. The flows on Umnak form two facies, one stratified and one massive,...
81 KB (9,557 words) - 02:42, 3 September 2024