Please somebody give me an essay on volcanic eruptions and tsunamis; 7 page each! You maybe rewarded with 50 points for your great efforts.
Answers
hi mate,
Answer: According to this mechanism, waves may be generated by the sudden displacement of water caused by a volcanic explosion, by a volcano's slope failure, or more likely by a phreatomagmatic explosion and collapse/engulfment of the volcanic magmatic chambers.
A tsunami is formed when there is ground uplift and quickly following a drop. From this, the water column is pushed up above the average sea level. Volcanic tsunamis can result from violent submarine explosions.
Tsunami are waves caused by sudden movement of the ocean due to earthquakes, landslides on the sea floor, land slumping into the ocean, large volcanic eruptions or meteorite impact in the ocean. ... This animation shows a tsunami generated following a volcanic eruption.
Volcanic tsunamis can form around volcanic islands during large explosive events or massive landslides. Volcanic ash forms when rock particles and lava droplets are ejected skyward.
As has been answered, tsunamis aren't caused by hurricanes. You must be thinking of the storm surge (which are created by the low pressure inside a hurricane) which forms a “lens” of higher water which accompanies the hurricane as it makes landfall.
IF YOU ARE UNDER A TSUNAMI WARNING:
First, protect yourself from an Earthquake. ...
Get to high ground as far inland as possible.
Be alert to signs of a tsunami, such as a sudden rise or draining of ocean waters.
Listen to emergency information and alerts.
Evacuate: DO NOT wait! ...
If you are in a boat, go out to sea.
Environmental impacts
Tsunamis not only destroy human life, but have a devastating effect on insects, animals, plants, and natural resources. A tsunami changes the landscape. It uproots trees and plants and destroys animal habitats such as nesting sites for birds.
10 miles
Tsunamis can travel as far as 10 miles (16 km) inland, depending on the shape and slope of the shoreline. Hurricanes also drive the sea miles inward, putting people at risk. But even hurricane veterans may ignore orders to evacuate.
Some, but not all, earthquakes are related to volcanoes. ... However, most earthquakes are caused by the interaction of the plates not the movement of magma . Most earthquakes directly beneath a volcano are caused by the movement of magma.
The magma exerts pressure on the rocks until it cracks the rock.For your safety, know the potential warning signs of an incoming tsunami: a strong earthquake that causes difficulty standing; a rapid rise or fall of the water along the coast; a load ocean roar.Some, but not all, earthquakes are related to volcanoes.
... However, most earthquakes are caused by the interaction of the plates not the movement of magma . Most earthquakes directly beneath a volcano are caused by the movement of magma. The magma exerts pressure on the rocks until it cracks the rock.
i hope it helps you.
Answer:
- Grecian myths tell of Atlantis, a fabled island with its advanced civilization, which sank into the sea.
- It is now believed that Atlantis was identical to the island of Santorin (Thira) in the Aegean Sea destroyed by a series of giant volcanic explosions around 1620 BC.
- The explosion of ancient Thira allegedly generated colossal tidal waves (tsunami), estimated at 30 m height, which raced across the Aegean Sea, and attacked the northern coast of Crete.
- The explosion of ancient Thira allegedly generated colossal tidal waves (tsunami), estimated at 30 m height, which raced across the Aegean Sea, and attacked the northern coast of Crete.The Greek word used to describe volcanoes was etna, or hiera, after Heracles, the son of Zeus.
- The Roman poet Virgil, in interpreting the Greek mythos, held that the hero Enceladus was buried beneath Etna by the goddess Athena as a punishment for disobeying the gods; the mountain's rumblings were understood as his tormented cries, the flames his breath, and the tremors as his railing against the bars of his prison.
- Enceladus' brother Mimas was buried beneath Vesuvius by Hephaestus, and the blood of other defeated giants welled up in the Phlegraean Fields surrounding Vesuvius.
- Any harm caused by natural disasters was thus understood as either a way of how the gods “solved” their mutual problems or theirpunishment for people's wrongdoings.
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