The Oahu island is on the northwest side of the Hawaii island and the distance between the two is about 300 km. The last volcanic eruption at Oahu was about 2.7 million years ago and the first eruption at Hawaii was about 0.7 million years ago. Calculate the speed and direction of the Pacific plate motion. O 0.15 cm/year and westward 15 cm/year and westward 15 cm/year and eastward O 0.15 cm/year and eastward