{"1": {"sa_t1_500": {"max_magnitude": 6.7, "min_distance_km": 18, "max_distance_km": 38, "min_magnitude": 5.2, "epsilon": 0.5}}, "2": {"sa_t1_500": {"max_magnitude": 7.4, "min_distance_km": 46, "max_distance_km": 66, "min_magnitude": 5.9, "epsilon": 0.5}}}