The earth moved when a Christchurch home exploded on Friday, generating an earthquake of about magnitude 2.0. JOHN KIRK-ANDERSON / STUFF Aerial footage of a house destroyed by a gas explosion in Marble Court, Christchurch. READ MORE:* Multiple injuries in gas explosion at Christchurch house - live updates* Christchurch explosion: 'Our worst nightmare,' family says"But seismologists estimate that it likely would have been about magnitude 2.0 or less." GNS SCIENCE Strong motions from the gas explosion were recorded by sensors at three Christchurch sites. JOHN KIRK-ANDERSON/STUFF Aerial video of the Northwood house destroyed in Friday's gas explosion.

Source: Stuff July 19, 2019 05:48 UTC