Map the Wembo-Nyama Ring Structure 

Indicate a probable impact crater in the Democratic Republic of the Congo with a high-contrast contour map and markings that indicate its extent.

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X location = GeoPosition[{-817/225, 88267/3600}];

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X GeoGraphics[{Red, Point[location], White, Thickness[0.008], Dotted, GeoCircle[location, Quantity[18, "Kilometers"]], Dashed, GeoCircle[location, Quantity[23, "Kilometers"]]}, GeoBackground -> GeoStyling["ContourMap", ColorFunction -> "BlueGreenYellow", Contours -> 15], GeoRangePadding -> Quantity[20, "Kilometer"]]

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