Two M 6.3+ earthquakes struck off the eastern coast of Greenland, two M 5.4+ Indian-Antartic Ridge
A strong earthquake with magnitude 6.6 (EMSC) hit off Jan Mayen Island, Norway in the Arctic Ocean on August 30, 2012 at 13:43 UTC. USGS reported it as M6.8. Recorded depth by USGS was 8.6 km and only 2 km by EMSC. Epicenter was located 93km NW of Olonkinbyen,