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Lake Waiau, at an altitude of 3,969 m (13,020 ft) atop Mauna Kea, is the only alpine lake in the Hawaiian island chain. It is thought to have formed...

Gushing breakout below Full Strawberry Moon

Start and finish of Mother's Day flow

For the past couple of weeks, Kīlauea had presented us with a flurry of tiny earthquakes located at a shallow depth beneath the volcano's summit. The...

Scenes at Highcastle on a beautiful morning

Cascades over old sea cliff at Highcastle

Aerials of Highcastle and Pu`u `O`o

This week is the 91st anniversary of the largest eruption on earth since Krakatau exploded in 1883. We are also ending the 4th week of an ongoing...

Upper flow field

Highcastle lava delta and breakouts inland