Ontong Java Plateau, Solomon Islands
From series “Volcanoes that changed the face of the Earth”
The giant Ontong Java Plateau is located in the Pacific Ocean. Its area is about 2 million square kilometers. Trapp can be compared in size to Alaska. It is located near the Solomon Islands. Trapp had a direct influence on the formation of this picturesque archipelago. The thickness of the trap is 30 kilometers in some places. According to rough estimates, the eruption of igneous rocks took place at this point of the earth about 125 million years ago. The period of activity lasted for more than one hundred years. About 100 million cubic kilometers of lava were thrown to the surface of the earth during this time.
Modern scientists have managed to estimate the approximate center of trap activity after numerous studies. This is the Louisville hotspot. As recent studies have shown, the lava eruption took place in this area in two stages. The period of secondary volcanism began about 40 million years after the end of the first one, during the Upper Cretaceous period. The main part of the trap is underwater. But despite this, it is interesting for numerous island groups.
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Ontong Java Plateau - interactive map
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