Evolution of Hawaiian volcanoes went through the rejuvenated stage, while its younger neighbors, East Molokai and West Maui, have evidently done so. It is currently unknown what stage of development the submerged volcano of Penguin Bank is in. In recent years research at other seamounts, for instance Jasper Seamount, has confirmed that the Hawaiian model applies to other seamounts as well. Evolution of Hawaiian volcanoes The fifteen volcanoes that make up the eight principal islands of Hawaii are the youngest in a chain of more than 129 volcanoes that stretch across the North Pacific Ocean, called the Hawaiian-Emperor seamount chain. Hawaii's volcanoes rise an
Channels of the Hawaiian Islands north, and Kahoʻolawe to the south. The depth of the channel reaches , and its width is . ʻAuʻau channel is a whale-watching center in the Hawaiian Islands. Humpback whales migrate approximately 3,500 miles (5600 km) from Alaskan waters each autumn and spend the northern hemisphere winter months in the protected waters of the channel. ʻAuʻau translates to "to take a bath" referring to its calm bath-like conditions. The middle of the ʻAuʻau channel off Lahaina is known as the Lahaina Roads. Once filled with whalers when Lahaina was a capital for that industry, Lahaina Roads were later adopted as