Microseismic monitoring is synonymous with shale gas development in North America: experience with shale plays suggests a high degree of variability in rock properties, subsequent completion effectiveness, and ultimately gas production and EUR. There are several modes of acquisition currently in use to obtain microseismic information which is related to the hydraulic fracturing process. The study reported here focuses on borehole microseismic and attempts to understand the information content in ‘conventional’ monitoring practice available in the industry. It examines the sensitivity to velocity model and uncertainty in derived data and attributes.