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PostPosted: Thu May 10, 2012 11:18 am
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Wednesday, 9 May, 2012. Gas Watch 149. EARTHQUAKE IN HUNTER VALLEY. Concerns with fracking coal seams - (
Following upon an earthquake near Broke and Bulga in the Hunter Valley on 29th April, further urgent representations have been made to the Government to extend the moratorium on fracking coal seams for methane gas.

The Minister’s attention has been brought to the facts that:

Not all chemicals used in the fracking process have yet been examined;
The Broke and Bulga areas of the Hunter Valley are surrounded by underground long wall mining which scientists have advised is a significant geological risk to the fresh water aquifers in the event of unconventional coal seam methane gas exploration, drilling and fracking;
More international findings in relation to earthquakes resulting from fracking are being released. The earthquake comes only a week after the handing down of a report in the United States confirming that earthquakes have been triggered by fracking for shale gas.

(see more in Gas Watch 149 -


Fears fracking could prompt earthquakes
David Marchese
Updated May 10, 2012 08:32:32

The Hunter Valley Protection Alliance is demanding more research be done into the possibility coal seam gas fracking could lead to a spike in seismic activity across the region.

US Geological Survey research has found a link between fracking and a sixfold increase in earthquakes in the central United States over an 11 year period.

Late last month, a 2.8 per cent magnitude earthquake hit the area around Bulga and Broke.

The Alliance's Graham Gibson says there needs to be more investigation into the tremor.