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City of Tamworth NSW, Australia
This morning, local Tamworth police took a number of phone calls reporting an explosion, houses shuddering and they posted the following on the Oxley Local Area Command Facebook Page:

"About 1.30 am on Tuesday 11th August 2015 Police received numerous calls from Tamworth residents in relation to a loud explosion heard in many different parts of Tamworth. Residents reported their houses seemed to shake with the noise. No-one was able to accurately describe a location for the explosion. No reports of fire were received. Police patrolled several areas of Tamworth in response to these calls however no damage was located.
The mystery appeared solved about 30 minutes later when a local taxi driver contacted Police and reported sighting a large glowing object in the sky trailing a green tail fall to earth somewhere to the south of Tamworth City. At this time, it is believed the explosion can be attributed to the unknown falling object, possibly a meteorite."

Intrigued, I sent this to our resident astronomer Astro Dave Reneke. He knew exactly what this was, a sonic boom, the result of a fireball from a meteor shower... quite rare, listen to the explanation here: Astro Dave with Anna Moulder on ABC NENW Breakfast