** U.S.-listed shares of Canadian oil and gas producer
Obsidian Energy Ltd OBE.TO OBE.N down 4% at $5.74 premarket
** Alberta energy regulator's investigation on a series of
earthquakes concluded that OBE's wastewater disposal induced
several seismic events in Alberta
** The regulator gives the company 15 days to submit a
mitigation plan
** On Thursday, a joint study by the Stanford University and
the University of Alberta concluded that one of the strongest
earthquakes in the region in November last year was caused by
wastewater disposal
** Up to last close, stock was down 9.9% YTD
(Reporting by Sourasis Bose in Bengaluru)
((Sourasis.bose@thomsonreuters.com))