Etna volcano (Sicily, Italy): increasing strombolian activity

INGV reported that the strombolian activity at the New South Crater has been increasing. Ash plumes reached 14,763 ft (4,500 m) altitude and drifted SW. Strombolian activity continues at Voragine Crater with minor ash emissions. Seismicity remains at fluctuating levels associated with periods of increasing and decreasing tremor. The seismic station records internal tremor at 2900-3000 m…