The Hawaiian Islands are of volcanic origin, generated by a Hot Spot under the P

Question

The Hawaiian Islands are of volcanic origin, generated by a Hot Spot under the Pacific crust. The big island of Hawaii is the most recently formed in the chain of islands. There are three volcanoes on the big island, the Mauna Kea, Mauna Loa, and Kilauea.

1) Is any of these volcanoes currently erupting on a regular basis?

2) Look at a map of the island. Do you see a correlation between the date of the most recent eruption and the location of the volcano on the island? Explain your reasoning.

3) A newly discovered volcano is slowly forming the Lo’ihi seamount, South-East of Hawaii. Are you surprised?

4) Do you expect this to be a shield volcano, like the other islands? Explain your reasoning.

Explanation / Answer

1. these volcaoes are erupting on a regular basis , last explosion in the volcano was in 2008 after the 1982. mauna loa eru[timg 15 times since 1990. and kilauea having 65 eruption in 245 years.

2. hawaii island located on the convergent plate boundary with north american plate. last erution was in 1984 at the kilauea than mauna loa and it will be ext eruptio should be in mauna kea.

3. A newly discovered volcano is slowly forming the Lo’ihi seamount, South-East of Hawaii. as we said that its located on the convergent plate boundary when one plate subduct into another plate , new islands and volcanoes are formed,

4. yes it can become a shield volcano , because eruption happens on a regular basis in these volcanos, fluid lava flow will help it to form a shield volcano.

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