Montserrat Volcano Observatory

Morning Report
Report for the period 4 pm 11 June
to 7 am 12 June 1997
The current alert level is ORANGE

The level of rockfall and pyroclastic flow activity was low until about 5.30pm yesterday afternoon when another period of slightly elevated activity began. This activity peaked about 1am this morning, and then declined steadily back to the lower level.

Seismic activity comprised mainly small long-period events, many of which triggered rockfalls on the dome. These were all quite small, as were any associated pyroclastic flows.

The volcano is again covered by low cloud today, so the new dome is not visible at the moment.

Further pyroclastic flows are expected, and it is possible that the hot pyroclastic flows and surges could travel even further. The flows move extremely fast and cannot be outrun. The revised zones A and B, which include Tuitt's, Bramble, Bethel, Spanish Point, Farms, Harris and Trants, are extremely dangerous and the authorities and MVO strongly advise that nobody should go into this area at all. The public are reminded that while Bramble Airport remains operational for the time being, it is open only for essential travel purposes, and a checkpoint is in place to ensure that only bona fide travellers and those with essential business can visit the airport.

Montserrat Volcano Observatory