Changed the source weight for event based calculations [skip hazardlib][demos]
Changed the source weight for event based calculations [skip hazardlib][demos]


Former-commit-id: 430cd20de245250690dd5f5e3816251c91118bfb [formerly baeef3ade1aeb51111b7ca81a0b5344f794cfd72]
Former-commit-id: 39ba219c1c7fb01dcc09810cf9412e4c4dbc3cea
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine