Activity at the volcano since yesterday has been dominated by rockfall signals. The cyclic pattern established several weeks ago has continued with a further reduction in the amplitude of the peak on the tiltmeter cycle. There was no visible activity associated with the tilt cycle. Strong glowing of the dome above Mosquito Ghaut and Gages was observed at 8:00 pm. Glowing rocks of variable intensity were seen bouncing down the flanks of the dome. A strong seismic signal was produced by an ash eruption which occurred at 9:46. This event saturated the St Georges Hill and Windy Hill seismic station and occurred during a trough in the Chances Peak tilt cycle. The elevation of the plume generated was undetermined.
People are reminded that mudflows can be extremely hot if recent deposits are remobilised by heavy rain. The current area of activity in the crater makes Mosquito Ghaut and Gages the most likely pathways for pyroclastic flows and surges, but further flows in Tuitt's or Tar River are possible. The Belham River valley is also dangerous and should not be entered. Access to Plymouth is completely restricted, and people should stay completely away from the flanks of the volcano. Everyone should continue to stay alert, and listen to Radio Montserrat for any announcements.