A strong and shallow earthquake registered by the USGS as M6.1 hit South Sandwich Islands region at 03:29 UTC on August 14, 2018. The agency is reporting a depth of 25 km (21.7 miles). EMSC is reporting Mw6.1 at a depth of 30 km (18.6 miles).
According to the USGS, the epicenter was located 74 km (46 miles) E of Montagu Island, 80 km (50 miles) NE of Saunders Island, and 129 km (80 miles) ESE of Bristol Island.
There are no people living within 100 km (62 miles).
Tsunami is not expected.