2026-08-31T21:21:20.0000Z-43.402172.42822.1manualconfirmedGNS2.6MLv1Origin/20260831212524.215333.47846Magnitude/20260831212524.215399.47847earthquakeGNS20 km north-west of Christchurchregion nameGNScatalog2026p656458contributorID