Montserrat

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

Pyroclastic flows in White's Ghaut at night (27 - 31 Jan 2010)
An incandescent pyroclastic flow runs down the Eastern dome's flank.
Pyroclastic flows in White's Ghaut at night (27 - 31 Jan 2010)
Strong wind removes all the ash and the view opens on a fluid flow deposit.
Pyroclastic flows in White's Ghaut at night (27 - 31 Jan 2010)
Another fluid front of a pyroclastic flow: ash is dragged to the west.
Pyroclastic flows in White's Ghaut at night (27 - 31 Jan 2010)
Huge ash columns rise from flowing pyroclastic flows.
Pyroclastic flows in White's Ghaut at night (27 - 31 Jan 2010)
Some flows move as quickly as the ash drifting with the wind.
Pyroclastic flows in White's Ghaut at night (27 - 31 Jan 2010)
Drifting ash partially hides the incandescent flow below.
Pyroclastic flows in White's Ghaut at night (27 - 31 Jan 2010)
Impressive starting front of a huge pyroclastic flow.
Pyroclastic flows in White's Ghaut at night (27 - 31 Jan 2010)
The ash column from the summit shades half the dome from the moonlight.
Pyroclastic flows in White's Ghaut at night (27 - 31 Jan 2010)
Impressive advancing fronts of a pyroclastic flow.
Pyroclastic flows in White's Ghaut at night (27 - 31 Jan 2010)
The front of this huge flow is several hundred meters wide.
Pyroclastic flows in White's Ghaut at night (27 - 31 Jan 2010)
As the flow stops, it still expels some ash, which rises upwards.
Pyroclastic flows in White's Ghaut at night (27 - 31 Jan 2010)
Zoom on the incandescent deposit of a flow which has just stopped.
Photos by Marco Fulle taken with 50mm and 135mm lenses (reflex digicam with 16x24mm sensor).