Wednesday, May 22, 2013
Observations indicate that dome growth has continued during the reporting period.

The seismic network recorded 1 volcano-tectonic earthquake, 165 rockfall signals, 22 long period rockfall signals, 100 long period earthquakes and 5 hybrid earthquakes during the reporting period.

Average sulphur dioxide flux for the reporting period was estimated at 230 tonnes/day, varying between 120 tonnes/day on 08 August and 500 tonnes/day on 04 August.

The alert level remains at 3.

Category: Weekly reports