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  2. Hālona Blowhole - Wikipedia

    en.wikipedia.org/wiki/Hālona_Blowhole

    The Hālona Blowhole was formed thousands of years ago during the period of volcanic activity in Oahu, [8] with Koko Crater 's lava flowing into the ocean. [9] The lava tubes extend into the ocean which are narrow at the top. [9] There is also a narrow rift along the base of the cliff which was formed by a large section of rock that broke away ...

  3. Blowhole (geology) - Wikipedia

    en.wikipedia.org/wiki/Blowhole_(geology)

    Blowhole (geology) In geology, a blowhole or marine geyser is formed as sea caves grow landward and upward into vertical shafts and expose themselves toward the surface, which can result in hydraulic compression of seawater that is released through a port from the top of the blowhole. [1] The geometry of the cave and blowhole along with tide ...

  4. Category:Blowholes - Wikipedia

    en.wikipedia.org/wiki/Category:Blowholes

    A blowhole is a cavity formed when a joint between a sea cave (formed by erosion) and the land surface above the cave becomes enlarged. The sea cave and the land surface become conjoined when the roof of the cave collapses. Blowholes are formed by the process of erosion. When waves enter the mouth of the cave they will be funneled up towards ...

  5. Koko Head - Wikipedia

    en.wikipedia.org/wiki/Koko_Head

    Koko Head. Koko Head is the headland that defines the eastern side of Maunalua Bay along the southeastern side of the Island of Oahu in Hawaii. On its western slope is the community of Portlock, a part of Hawaiʻi Kai. Koko Head (at 642 ft or 196 m) is an ancient tuff cone that is somewhat dwarfed by its neighboring tuff cone, Koko Crater, with ...

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  7. Nakalele Point - Wikipedia

    en.wikipedia.org/wiki/Nakalele_Point

    Nakalele Point is a land mass on the eastern edge of the northern tip of the island of Maui in the state of Hawaiʻi. In Hawaiian, Nakalele or Nā-kālele means "the leaning". The Point is known for its blowhole and has become notable for its dangerous conditions when waves crash in. The point and blowhole are located just east of Poelua Bay.

  8. List of lava tubes - Wikipedia

    en.wikipedia.org/wiki/List_of_Lava_Tubes

    Hālona Blowhole. Kaumana Cave – Hawaii. Kazumura Cave, Hawaii – Not only the world's most extensive lava tube, but at 65.5 kilometres (40.7 mi), it has the greatest linear extent of any cave known. [11] Kuna Caves – Idaho. Lava Beds National Monument – California. Newberry National Volcanic Monument – Oregon.

  9. Spouting Horn - Wikipedia

    en.wikipedia.org/wiki/Spouting_Horn

    Spouting Horn is a blowhole located on the southern coast of Kauai in the Koloa district. This area of Kauai is known for its crashing waves (nearby Poipu translates to "crashing" [1]). These waves erode lava rocks on the coastline which can create narrow openings, as is the case with Spouting Horn. With every wave, water shoots upward when it ...