How many Islands are in the Hawaiian Island Chain

In the Hawaiian chain of islands, how many are there?

He considered the Hawaiian chain of islands as dramatic evidence of the plate movement. The Maui, Molokai, Lanai and Kahoolawe were all one big island. The fifth largest island, Molokai is eight miles from Maui's western shore. Hawaii's hotspot is located below the southern end of the chain of islands. That' s all about the value of the Hawaiian Islands to the United States.

Introduction Islands

Hawaiian Islands are isolated as the Pacific Plate gradually shifts north-west over a vulcanic hotspot that extrude melted water over the seafloor. A series of islands extending more than 1,600 leagues from the island of Hawaii in the south-east to Midway and Kure in the north-west have emerged over a 28 million year span (Figure 1).

Hawaiian Islands Map. The atlas focuses on the watershed and brooks of the main Hawaiian islands. Much the same pattern of islands and sea mountains can be observed in the Line Islands, Tuamotus, Marshall-Ellice Island Chain and others in the western and southern Hawaiian Archipelago.

These islands all have a shared fate. Before volcanic activity stops, volcanic activity by means of winds, rains and the ocean has put each island on an unavoidable course towards possible submergence under the ocean floor. During the final phases of island demoting, it may evolve a wreath of corals that remains as a donut toll after the landmass has eventually eroded under the ocean.

The volcano island development and disappearance models are too simple due to variations in the islands' evolution. But it is a widely accepted tendency, as it is well exemplified by the islands that make up the Hawaiian chain. In the geological older northwestern Hawaiian islands, the dominant feature is formed by an atoll of corals, while the main feature of the younger southeast part is avalanches.

Only these high islands at the lower end of the chain have precisely delineated water catchment areas and multi-annual creeks. These are the two topics of greatest importance for the Watershed Atlas.

Secrets of the Hawaii Hotspots

WAIKIKIKI Beach is not the only hot spot in Hawaii. So, what's this other kind of Hawaiian hot spot about, then? From the Hawaii Hot Spot This Hawaiian hot spot was the Hawaiian chain of islands for 70 million years. Hawaiian Islands have been sitting above what gemologists have hypothesized as a geological hot spot.

Here the river has pushed itself out of the earth's centre and formed igneous submarine amounts and islands like Hawaii over million of years. However, this hot spots has not only made the Hawaiian chain of islands, but also many other islands throughout the Pacific. along the Chain of Craters Road. He found that the geological slab had moved northwest over this area.

While moving over this vulcanic hot spot, the volcano has formed a chain of submarine mountains and islands. From the Aleutian ditch off the Russian peninsula of Kamchatka to today's Hawaii, it extends over 3,600 mile. Scientists call this chain of sea mountains and islands the Hawaiian Ridge-Emperor Seamount Chain.

The Pacific Ocean slab initially moved northwards, while the hot spot formed islands and sea mountains along the way. Then, 43 million years later, it took a western course, where the Hawaiian chain of islands can be found today. That is why the Hawaiian Ridge-Emperor Seamount chain today has a broad "V"-shaped structure.

In the course of the years geological powers have carried these islands away and many of them now lie thousand of meters below the sea-mounts. Tectonical plates were moving from eastern to western. This makes the sea mountains, islands and islands in the eastern part of the island younger than in the western part. That is why the northwestern Hawaiian islands, which lie just westwards of the 8 large Hawaiian islands, are older.

In the course of the years, the inexorable erosive powers have transformed them into very small islands of rock or atheists. Most of them are hardly above the sea level. Farther westwards there are only submarineamounts. Hawaii Hot Spot predicts the futures of the 8 great Hawaiian islands. Someday, million of years in the distant past, they will end up suffering the same destiny as the northwestern Hawaiian islands.

They' re going to go back to the Pacific. At the same the Hawaii hotspot just off the Hawaiian islands creates a new island. A new Hawaiian island, Loihi, has formed over the last 400,000 years southeast of the large island of Hawaii. Researchers believe that this new Hawaiian island will eventually surpass the Earth's surface over the next 10,000 to 100,000 years.

Auch interessant

Mehr zum Thema