Activity at the volcano has continued at a low level during the reporting period. Medium amplitude tremor on several stations began at approximately 4.00 pm yesterday afternoon, peaked at around 5.00 pm and had ended by 5.30 pm. Low amplitude tremor has been recorded on the Gages seismic station from midnight and is still ongoing, although at a lower level, at the time of reporting. A hybrid and volcano-tectonic earthquake swarm started at about 5.00 am this morning and is also continuing. A few small to medium rockfalls were also recorded overnight.
Low level cloud over the volcano has prevented any views of the summit so far this morning.
The volcano remains active and potentially dangerous. The lava dome is currently larger than it ever has been before, with a steep eastern face, so further pyroclastic flows are likely. People entering zone C must remain alert, listen to Radio Montserrat and be ready to leave at short notice. Only essential visits should be made. The ash levels in Plymouth are hazardous, and it is extremely important to wear an ash mask when there is ash in the air.