Elevated volcanic activity reported at Mount Michael on Saunders Island, South Sandwich Islands in the Southern Atlantic Ocean in February 2018. Tephra layers visible in ice cliffs surrounding the island are evidence of recent eruptions. Since mid October, prominent heat signals coming from the summit of Michael cone can be retrieved on satellite data, but there are no direct (visual or other) observations. A new eruption is likely underway at the remote volcano (also called like the whole island, Saunders). The young constructional Mount Michael stratovolcano dominates the glacier-covered island, while two submarine plateaus, Harpers Bank and Saunders Bank, extend north. The eruption began with an ash explosion which rose to about five kilometres and gradually increased in intensity from 8.45am on Saturday. Papua New Guinea volcano latest: Is Mount Kadovar erupting? A PAPUA New Guinea volcano has rumbled to life after many years dormant … Saunders Island is a volcanic structure consisting of a large central edifice intersected by two seamount chains, as shown by bathymetric mapping (Leat et al., 2013). Will it erupt again? The symmetrical Michael has a 500-m-wide (1 640 feet) summit crater and a remnant of a somma rim to the SE. The symmetrical Michael has a 500-m-wide (1 640 feet) summit crater and a remnant of a somma rim to the SE. According to the local media, there has been a rapid increase in seismic activity from 7.40am reaching its peak intensity at 9.00am. Tephra layers visible in ice cliffs surrounding the island are evidence of recent eruptions. The young constructional Mount Michael stratovolcano dominates the glacier-covered island, while two submarine plateaus, Harpers Bank and Saunders Bank, extend north.

The young constructional Mount Michael stratovolcano dominates the glacier-covered island, while two submarine plateaus, Harpers Bank and Saunders Bank, extend north.