Volcanic activity has continued at a moderate level overnight. There have been a number of rockfall and small pyroclastic flow signals recorded by the seismic network. There have also been several long-period earthquakes. The activity has been at about the same level as yesterday afternoon, with almost continuous rockfalls from the south of the dome. This has resulted in minor ash production, with light ash fall in Corkhill, Salem and Old Towne. The longest duration signal in the reporting period was at about 5 pm last night, but several events of similar duration have occurred during the early hours of this morning.
The increase in rockfall activity is a result of a large number of small collapses from the active part of the lava dome above Galway's Wall. The volcano remains in a dangerous state and rapid changes in the level of activity are still possible. All citizens of Montserrat are requested to stay alert, especially when in Zone C. Ash masks should be worn in ashy environments; this is particularly important in the current dry conditions. All of Zone A, which includes Long Ground and St Patrick's, is still very dangerous and should not be entered under any circumstances.