Maelstrom
Maelstrom, the powerful and dangerous whirlpool, is one of the nightmares of seafarers when they are at sea. Though whirlpools, a body of swirling water caused by a turbulent flow, are common in any water bodies in different sizes, Maelstrom comes in an extraordinary size and force, even with a capacity to put big ships in danger. There is few notable such deadly vortex of a violent turbulence around the world.
Brazilian’s Longest Wave on the earth
Waves, especially during storms, make life at sea terrible for humans. However, the tidal waves on the Amazon River are popular for its lasting time. The Brazilian’s longest wave on the Earth, called as the Pororoca, is a result of the tides of the Atlantic Ocean which meet the mouth of the Amazon River twice a year.
In the days between the months of February and March, the waters of Atlantic Ocean roll up the river in Brazil, producing waves that are wave two to three kilometers wide and capable of moving along at up to 30 kph. Reports suggest that the phenomena occur once a night and once a day for three days between February and March. The name “Pororoca” derives from the indigenous Tupi language, in which locals consider it as “great roar” due to destructive nature. The wave, which can be apparently heard about 30 minutes before its arrival, destroys everything on its way.
Submarine volcano
We have a number of active volcanos on the land across the world, which often disturbs the lives around. Similarly, the seabed witnesses similar volcano eruptions at times. According to reports, the ocean experiences the most productive volcanic systems on Earth, mostly under an average of 8,500 feet (2,600 m) of the surface. An estimated 75% annual output of magma is being produced through these underwater vents or fissures in the seabed.
While most of the active submarine volcanos are situated in the deep water, there are few in shallow water, often disclose their presence by discharging materials high above the surface. Scientists suggest that there are more than 1 million submarine volcanoes and among these, few even rise over 1 km above the seabed during the eruption.
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Video resource : Mind Boggler
