I can't get on to Geoscience Australia - site's too busy.
Here's the USGS web page, and some preliminary info:
The coords put it about 3Km SE of Trafalgar.
Magnitude 5.2
Date-Time
- Tuesday, June 19, 2012 at 10:53:29 UTC
- Tuesday, June 19, 2012 at 08:53:29 PM at epicenter
Location 38.244°S, 146.194°E
Depth 9.9 km (6.2 miles)
Region NEAR THE SOUTHEAST COAST OF AUSTRALIA
Distances
- 121 km (75 miles) ESE (117°) from Melbourne, Australia
- 419 km (260 miles) SW (218°) from CANBERRA, Australia
Location Uncertainty
- horizontal +/- 15.2 km (9.4 miles);
- depth +/- 2.9 km (1.8 miles)