SAP Event Management 9.0 was delivered with the new feature of a geo-map component. The component using SAP Visual Business 2.0 is capable of displaying event handler and event message information in a geographical context. It is integrated into the standard user interface and can be configured using geo-map profiles. Take a look here to see the scenario:

http://scn.sap.com/community/scm/event-management/blog/2012/12/21/sap-event-management-90–em-and-visual-business-integration

For customer project having requirements going beyond the standard, it is possible to enhance the geo-map component in multiple ways. The following document describes the available options including example implementations.

http://scn.sap.com/docs/DOC-50073