January is Volcano Awareness Month, during which our “Volcano Watch” articles are exploring the geology of the Hawaiian Islands. The series continues this week with a look at Oahu. ADVERTISING ...

A volcano commonly known as Diamond Head grandly presides over Waikiki, the world-famous mecca for tourists in the state capital of Honolulu. It's one of several volcanic craters on Oahu ...

The Koolau is arguably one of the most beautiful volcanoes in all of Hawaii. It's incredibly green thanks to the tropical, wet weather it receives on the windward side, busting with fruit trees and ...

The island of O'ahu, as we know it today, is the remnants of two volcanoes, Wai'anae and Ko'olau. But extending almost 100 km WNW from Ka'ena Point, ...

The island of O'ahu, as we know it today, is the remnants of two volcanoes, Wai'anae and Ko'olau. But extending almost 100 km WNW from Ka'ena Point, the western tip of the island of O'ahu, ...

Now now dormant, the volcano once extended 3,000 feet above sea level and may have helped form the island of Oahu. ... followed by Koolau in another 500,000 years, the study found.

Ka'ena volcano is about 2.5 miles (4 kilometers) high, but only reached about 3,000 feet above sea level, Sinton said. As Oahu's first-born, Ka'ena is the shortest of the three volcanoes because ...

The new volcano, named Ka'ena, was born in the deep underwater channel south of Kauai about 5 million years ago, according to the study, published May 2 in the Geological Society of America Bulletin.

HONOLULU (Reuters) - Scientists in Hawaii say they have discovered an ancient underwater volcano, now dormant, ... followed by Koolau in another 500,000 years, the study found.