Kermadec Earthquakes

Two magnitude six earthquakes struck the Kermadec Islands today.

Thursday, 29 June 2017

Two magnitude six earthquakes struck the Kermadec Islands today.

The first event was a magnitude 6.0 quake which struck 117 km south-south-east of Raoul Island at 6:21 this morning New Zealand time. The quake was 10 km deep according to the U.S. Geological Survey. GeoNet reported the earthquake as “unnoticeable” at magnitude 5.6 centred 955 km north-east of Whangarei at a depth of 10 km. Only one report of the quake being felt in New Zealand was filed with GeoNet.

The second event was a magnitude 6.0 earthquake centred 115 km west-north-west of L’Esperance Rock at 7:03 this evening. The U.S. Geological Survey reported that this quake was 392 km deep.

GeoNet seismic network 29 June 2017

GeoNet seismic network 29 June 2017


The quake left a strong trace on GeoNet’s seismograph network.

GeoNet report this earthquake as magnitude 6.6, centred 785 km north-east of Whakatane at a depth of 226 km. Their automated system also describes the quake as “unnoticeable” but 114 reports of the quake having been felt from Auckland to Nelson had been filed by 8 o’clock.

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