HaleaKala Volcano essays

HaleaKala Volcano essays HaleaKala is the second largest shield volcano in the world. It's under historical status, which means it is dormant or not active right now. The summit elevation is 10,023 feet high, its latitude is 70.8 degrees North, and its longitude is 156.25 degrees west. Haleakala's base diameter is 33-miles, and more then 90 percent of the mountain are under water. Measured from its base on the other ocean floor its elevation would be 28,000 feet. It is located on the Hawaiian island of Maui there are two volcanoes on the island of Maui. One is west Maui and the other East Maui. East Maui volcano, HaleaKala is the easternmost of the two shield volcanoes that are in Maui. Haleakala was born at the Hawaiian hot spot. The Hawaiian hot spot that Maui was formed on is 1 million years old and is growing about 4 inches per year. HaleaKala Crater is erosion calderas formed by the heads of two large valleys as they eroded in the volcano. HaleaKala Crater last erupted in 1700 at the Perouse Bay. The crater is an active volcano, because the eruption was in the historic time of Hawaii. HaleaKala was formed like any other shield volcano. It was made by the fluid lava flows. The flow after pours out in all directions from a central summit vent, building a broad, gently sloping cone of flat domical shape. It almost looks like a warriors shield. It flows of highly fluid basaltic lava and cools dipping sheets. Lavas erupt from vents along fractures that develop on the flanks of the cone. Some of the largest volcanoes are shield. HaleaKala has had ten eruptions in the past 1,000 years. It's said to erupt again in the future, because of its eruptive history. The powerful force of erosion has affected HaleaKala greatly. The powerful force of erosion has affected HaleaKala greatly. About 300,000 years ago HaleaKalas volcanic activity slowed, at the same time of torrential rains of Hawaii. Streams that flowed down which are now called Kaup ...