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How does an island get up above sea level?

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Arden Smith

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Q: How does an island get up above sea level?
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Is Anchorage Alaska up above Sea level?

Above by about 49 feet.


How high is London above sea level?

It varies from 3 meters up to 30 meters depending on where you are


How high above sea level is Auckland nz?

Starts at Zero and goes up to 196 meters above sea level at the highest point in the Waitakere ranges.


How can an island become a seamount?

Yes, a sea mount can become a volcanic island because they are individual mountains of volcanic material. They form where magma pushes its way through or between tectonic plates. If a sea mount builds up above sea level, it becomes a volcanic island.


What is the name and elevation of the highest peak in Ireland?

Dublin is a coastal city, built at the mouth of the river Liffey, on the east coast of Ireland, so it is close to sea level. To the south of the city there are mountains, so you get higher as you head south. The mountains are not very high and you are well out of the city before you reach them and it begins to get noticeably higher. The nearest mountains are only about 1475 feet or 450 metres. They are the northern end of the Wicklow mountains, which has some higher mountains, further south. To the north of Dublin there are no mountains, but you do get higher up as you get further from the centre of the city and the river. To the west is fairly level too as you are initially following the river Liffey, and then heading into the Irish midlands, which are low lying.


Why do temperatures become cooler as you go higher above sea level?

because as you go up the sea level gets higher


Is the Christchurch square above sea level?

Yes. It is about 6.2m above sea level. (The Avon river which runs near the square flows out to sea - it doesnt fill the square up like a lake) It is a common myth that the square is under sea level - but (as I found out while completing my Bachelor Of Science degree at Canterbury University) it is actually more than 6m above sea level.


How high is white islands volcano?

White Island Volcano rises 321m above sea level. White Island is only the peak of a much larger submarine mountain, which rises up to 1600m from the nearby seafloor.


What does air pressure decrease as?

The atmosphere is of finite thickness so:-The higher up you are the less air there is above you to press down on you The nearer you are to sea level (or below sea level) the more are there is above you to press down on you. Thus as altitude decreases (you go towards sea level) the pressure will go up, not down.


How above sea level is Castro street in San Francisco CA?

Castro is fairly high up and is not in danger of flooding at this time. The lower level streets along the port and Treasure Island will/ have experienced flooding in high tides. Many of these streets and the land is there because it is landfill and to extend the land space the bay was filled in. The city is 52 feet above sea level.


As altitude decreases air pressure does what?

The atmosphere is of finite thickness so:-The higher up you are the less air there is above you to press down on you The nearer you are to sea level (or below sea level) the more are there is above you to press down on you. Thus as altitude decreases (you go towards sea level) the pressure will go up, not down.


Which European cities are highest above sea level?

Andorra La Vella in Andorra is listed as the highest above sea level in Europe at 3,356 feet. Next up is Madrid, Spain, at 2,188 feet.