Deception Island caldera...

is an active volcano in the Bransfield Strait, evidenced by rising steam at low tide in Whalers Bay.

The Biscoe House, part of the British Antarctic Survey station, was destroyed by a lahar in 1969.  Ronald Hill stands behind the collapsing structure, the summit of which was the goal of a long hike today.

The Biscoe House, part of the British Antarctic Survey station, was destroyed by a lahar in 1969. Ronald Hill stands behind the collapsing structure, the summit of which was the goal of a long hike today.

The celebratory summit party atop Ronald Hill, in approximately 50 knot winds.

The celebratory summit party atop Ronald Hill, in approximately 50 knot winds.

View of Whalers Bay on the descent from Ronald Hill.

View of Whalers Bay on the descent from Ronald Hill.