Question: What event measured a 5.6 on the Richter magnitude scale and led to the establishment of the New South Wales Urban Search and Rescue Task Force 1?
Sentence (from "Urban Search and Rescue New South Wales AUS-2"): After earlier large-scale collapses including the 1977 Granville Train Disaster, 1989 Newcastle earthquake and 1997 Thredbo landslide, Fire & Rescue NSW was legislated as the combat authority for responding to major structural collapse incidents within the state of New South Wales.
Relevant evidence: Yes