Colahan Seamount

Colahan Seamount is a seamount lying within the Hawaiian–Emperor seamount chain in the northern Pacific Ocean. It erupted 37–40 million years ago.^[1]

References

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v t e Hawaiian volcanism topics (list)
Windward Isles	South Arch volcanic field Kamaʻehuakanaloa Māhukona Hawaiʻi Kīlauea (Kīlauea Iki, Pauahi Crater, Puʻu ʻŌʻō, Mauna Ulu) Mauna Loa Hualālai Mauna Kea Kohala Kahoʻolawe Kauaʻi Kaʻula Lānaʻi Maui Haleakalā West Maui Molokaʻi Penguin Bank West Molokai Volcano East Molokai Volcano Niʻihau Oʻahu Honolulu Kaʻena Koʻolau North Arch volcanic field Waiʻanae	Scheme of a Hawaiian eruption
Leeward Isles	French Frigate Shoals Gardner Pinnacles Kure Atoll Laysan Lisianski Island Maro Reef Midway Atoll Necker Island Nīhoa Pearl and Hermes Atoll
Emperor Seamounts	Abbott Colahan Daikakuji Detroit Hancock Jingū Kammu Kimmei Koko Meiji Nintoku Ojin Suiko Yomei Yuryaku
Notable eruptions and vents	1955 Hawaiian submarine eruption 1975 eruption of Mauna Loa 1984 eruption of Mauna Loa 2018 lower Puna eruption 2022 eruption of Mauna Loa Keanakakoi eruption ʻAilāʻau eruption Halemaʻumaʻu Kīlauea Caldera Kīlauea Iki Mauna Ulu Powers Caldera Puʻu ʻŌʻō
Topics	ʻAʻā (lava) Evolution of Hawaiian volcanoes Haleakalā National Park Hawaiʻi Volcanoes National Park Hawaiian–Emperor seamount chain Hawaiian eruption Hawaiian Volcano Observatory Kīlauea eruptions Lava fountain Limu o Pele Mauna Loa eruptions Pāhoehoe (lava) Pele (deity) Pele's hair Pele's tears Puna Geothermal Venture Volcano House