Pyroclastic flows in White's Ghaut at night (27 - 31 Jan 2010)

An incandescent pyroclastic flow runs down the Eastern dome's flank.

Strong wind removes all the ash and the view opens on a fluid flow deposit.

Another fluid front of a pyroclastic flow: ash is dragged to the west.

Huge ash columns rise from flowing pyroclastic flows.

Some flows move as quickly as the ash drifting with the wind.

Drifting ash partially hides the incandescent flow below.

Impressive starting front of a huge pyroclastic flow.

The ash column from the summit shades half the dome from the moonlight.

Impressive advancing fronts of a pyroclastic flow.

The front of this huge flow is several hundred meters wide.

As the flow stops, it still expels some ash, which rises upwards.

Zoom on the incandescent deposit of a flow which has just stopped.