Regional earthquakes 

The region around the Hauraki Gulf has a low rate of earthquakes compared to other regions on the North Island. In the 30 year period between 1990 to 2019, there has been an average of 21 earthquakes per year.

Earthquakes over magnitude 4.0 - 1900 to 2021

Since records began, there have been 44 earthquakes recorded over a magnitude 4.0 within or 50 km distance from the Hauraki Gulf. The strongest earthquake recorded was on the Coromandel peninsular, 3rd June 1937 with a magnitude 5.5 at a depth of 25km, 20km SE of Whitianga.

Most felt earthquake - Magnitude 4.0 17 March 2013

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The most felt earth occurred at 4:05 pm on 17 March 2013 when nearly 14,000 notified GeoNet that an earthquake had occurred. The epic centre of the quake was undwer Motutapu Island next to the Rangitoto volcano at a magnitude 4.0 and depth of 7 km.