Montserrat

Pyroclastic flows in Aymer's Ghaut (29 Jan - 1 Feb 2010)

Pyroclastic flows in Aymer's Ghaut (29 Jan - 1 Feb 2010)
Photo sequence of an ash mushroom cloud rising above a big pyroclastic flow.
Pyroclastic flows in Aymer's Ghaut (29 Jan - 1 Feb 2010)
Below Pea Ghaut, a river bed now buried by pyroclastic flow deposits.
Pyroclastic flows in Aymer's Ghaut (29 Jan - 1 Feb 2010)
The ash mushroom freely expands in the calm upper troposphere.
Pyroclastic flows in Aymer's Ghaut (29 Jan - 1 Feb 2010)
Billowing ash reaching an altitude of about five kilometres.
Pyroclastic flows in Aymer's Ghaut (29 Jan - 1 Feb 2010)
A hidden pyroclastic flow illuminates the ash erupted from the dome (right).
Pyroclastic flows in Aymer's Ghaut (29 Jan - 1 Feb 2010)
Huge pyroclastic flow in Aymer's Ghaut: note its incandescent front on the right.
Pyroclastic flows in Aymer's Ghaut (29 Jan - 1 Feb 2010)
The red front runs towards the sea, while ash rises kilometers high into the sky.
Pyroclastic flows in Aymer's Ghaut (29 Jan - 1 Feb 2010)
The red front reaches Plymouth, below a moonlit billowing ash column.
Pyroclastic flows in Aymer's Ghaut (29 Jan - 1 Feb 2010)
View over the dome, with the ash cloud illuminated by a hidden flow at right.
Pyroclastic flows in Aymer's Ghaut (29 Jan - 1 Feb 2010)
Ash fallout over Plymouth, as seen from the sea West of the island.
Pyroclastic flows in Aymer's Ghaut (29 Jan - 1 Feb 2010)
Plymouth disappears in the huge ash fallout from a pyroclastic flow.
Pyroclastic flows in Aymer's Ghaut (29 Jan - 1 Feb 2010)
Another flow runs towards the delta in the sea of Aymer's Ghaut.
Pyroclastic flows in Aymer's Ghaut (29 Jan - 1 Feb 2010)
This flow has just stopped before reaching Kinsale village...
Pyroclastic flows in Aymer's Ghaut (29 Jan - 1 Feb 2010)
...and is suddenly followed by another directed towards our boat.
Pyroclastic flows in Aymer's Ghaut (29 Jan - 1 Feb 2010)
Luckily this one also stops just before reaching the white delta of Aymer's Ghaut.
Pyroclastic flows in Aymer's Ghaut (29 Jan - 1 Feb 2010)
Nevertheless our pilot is ready to start the engine, just in case...
Pyroclastic flows in Aymer's Ghaut (29 Jan - 1 Feb 2010)
Zoom on the front of a pyroclastic flow descending in Aymer's Ghaut.
Pyroclastic flows in Aymer's Ghaut (29 Jan - 1 Feb 2010)
Spectacular billowing ash over Kinsale and Plymouth villages.
Pyroclastic flows in Aymer's Ghaut (29 Jan - 1 Feb 2010)
Ash fall over Plymouth; the cloud size requires an extreme wide angle lens.
Pyroclastic flows in Aymer's Ghaut (29 Jan - 1 Feb 2010)
Flows approach Aymer's Ghaut delta every few tens of minutes.
Pyroclastic flows in Aymer's Ghaut (29 Jan - 1 Feb 2010)
As the flow stops, the hot ash rises violently into the sky...
Pyroclastic flows in Aymer's Ghaut (29 Jan - 1 Feb 2010)
...to mix with the ash erupted by the dome and to fall over Plymouth.
Pyroclastic flows in Aymer's Ghaut (29 Jan - 1 Feb 2010)
Plymouth on the northern (left) side of Aymer's Ghaut delta, Kinsale in the south.
Pyroclastic flows in Aymer's Ghaut (29 Jan - 1 Feb 2010)
Another pyroclastic flow in Aymer's Ghaut; abandoned houses of Plymouth in the foreground.
Photos by Marco Fulle taken with 10-20mm zoom and 50mm and 135mm lenses (reflex digicam with 16x24mm sensor).