A spate of earthquakes all within a week of each other have occurred in South Australia’s Far North with three strikes on the APY Lands.
A significant 6.1 earthquake struck near Ernabella (Pukatja), Fregon and Indulkana on the APY Lands at 8.25pm South Australian Daylight Savings Time CDT Friday night 23 March 2012.
The Ernabella quake occurred at a shallow depth of 3 km and according to Geoscience Australia may have been felt by people up to 507 km away and could have caused damage up to 40 km away.
Mintabie residents on the APY Lands some 160 km away did not feel anything. The epicenter of the quake which struck in a sparsely populated area is approx 10 – 15 km from Ngarutjara Homeland, an aboriginal community on APY Lands. It is 370 km WNW of Oodnadatta; 415 km NW of Coober Pedy in South Australia and 317 km SSW of Alice Springs in Northern Territory.
Three further earthquakes have struck South Australia’s Far North in the past week.
16 March a 4.3 earthquake struck in the Musgrave Ranges near Ernabella at a depth of 15 km.
20 March a 3.8 earthquake struck in the Musgrave Ranges near Ernabella at a depth of 10 km.
21 March a 3.9 earthquake struck between Oodnadatta and William Creek in the Arckaringa Basin at a depth of 0.007km. No damage has been reported.