An explosive eruption occurred at 8:41 AM local time on the following day, with an ash plume reaching 10,000 m (33,000 ft) and drifting eastward towards the Atlantic Ocean.[20][21] By then, approximately 20,000 people had evacuated the area surrounding the volcano.[12] The same day, it was warned the eruption was "likely to continue for days and possibly weeks",[22] and another explosive eruption, created by multiple pulses of ash, was reported in the afternoon of 9 April.[20][23] As of the evening of 9 April at 6:45 PM local time, a third explosive eruption was under way, according to the University of the West Indies Seismic Research Centre.[23]