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mfb- t1_j23yro9 wrote

Reply to comment by TheUmgawa in TIL that the Hawaii’s Maunakea Volcano, the world’s tallest mountain, (10,210 m or 33,500 ft from base to peak) was first ascended successfully over three days in February 2021. Over half of it is underwater. by Fantastic_Ad1613

This particular record looks weird (why does a submarine count but a helicopter would not?), but Mauna Kea is frequently recognized as tallest mountain measured from its base (which is kilometers below the ocean surface).

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