Scientists say Halema'uma'u vent has enlarged from 35 m (115 ft) in 2008; to more than 150 m (475 ft) in diameter; March 2011... Short clip from [USGS] shows lava pouring from the fissure into a seemingly bottomless crack...
Convergent land-mass shift: Oceanic plate sinks because it is more dense; applying underground pressure, resulting in release of volcanic pressure.
-Video: Vigorous fuming! (2007/8) [View]
-View: 2011 Russian fly-by; US Islands [Kilauea]
-Video: Tourists misgauge erupting Volcano! [VIDEO]
-View: Lovely Volcano Dive! (Papua New Guinea) [VIEW]
East Antarctic Ice Sheet getting thicker from underneath: [Watts]
Returning early eve (on travel)