Magnitude-4.9 earthquake strikes off South Australia coast

Key points

• A magnitude-4.9 earthquake struck waters south of Adelaide at about 7:50am, according to Geoscience Australia. The preliminary quake was about 10 kilometres deep and roughly 100 kilometres offshore, between Kangaroo Island and the south-east coast.
• Residents from Adelaide to Kingston SE and Beachport reported rattling and shaking that lasted several seconds.
• Geoscience Australia senior seismologist Jonathan Bathgate said aftershocks were possible but the quake was unlikely to trigger a tsunami.