Big Island, Hawaii
19.82 N, 155.47 W,
summit elevation 4206 m
Shield volcano
Mauna Kea is the second highest volcano in the Pacific. It is a dormant volcano with a small posibility of eruptions in the future. Eighty percent of people who summit Mauna Kea suffer from altitude illness.

Mauna Kea Volcano - John Seach
Canada-France-Hawaii Telescope (L)
Gemini North Telescope (R)
4500 years ago.