Government Information Service

The Volcanic Explanation
For The 72 Hour Period Ending 7 AM On Monday March 10, 1997
A Presentation Of The Government Information Services
In Conjunction With The MVO.

The current alert level is AMBER

Towards the end of the reporting period, the activity at the Soufriere Hills Volcano increased with a swarm of volcano-tectonic and hybrid earthquakes which started at 7.30 pm last night and ended early this morning (Monday). The most intense part of the swarm was at about 2 am this morning.

Prior to this the volcano had been quiet with very few seismic signals but there were some rockfall signals. Over the weekend there were some good views of the dome and it was noticed that the eastern face was producing almost continuous small rockfall signal which resulted in a ash plumes.

In the past 72 hours there were a few minor pyroclastic flows in the Tar River Valley area the largest reaching to the upper parts of the valley.

Over the past few days there has been little change in the Galways Wall.

It is clear that over the past few days the activity on the eastern face of the dome has increased and it has become more unstable. Scientists feel that a large collapse could happen at any time and this will lead to major pyroclastic flows. Residents are asked to remain vigilent and stay tuned to Radio Montserrat for updates.

Government Information Service