Map LegendPNR-1ZSurface locationBottom hole locationSleeve midpointDeviation surveyMicroseismic eventsSleeve 1 magnitude heatmap848 eventsSleeve=1123121314182230313239m37m40m38m35Hiatus3738394041-2.5-2-1.5-1-0.500.5MagnitudeHeatmapMicroseismic Monitoring of Hydraulic Fracturing OperationsPreston New Road Shale Gas Exploration Site, Lancashire UKContains information provided by the Oil and Gas Authority.analytic-signal/visual-analytics▶◼