posting comprehensive post of NZ Earthquake
7.1 is big
10km deep as you can see in pic is a Shallow EQ
Shallow earthquakes are between 0 and 70 km deep; intermediate earthquakes, 70 - 300 km deep; and deep earthquakes, 300 - 700 km deep.
>https://www.usgs.gov/natural-hazards/earthquake-hazards/science/determining-depth-earthquake?qt-science_center_objects=0#qt-science_center_objects
Shallow EQ's cause tsunamis
the most destructive tsunamis are generated from large, shallow earthquakes
>http://itic.ioc-unesco.org/index.php?option=com_content&view=article&id=1158&Itemid=2026
I don't know how far from NZ coast so lets not get ahead of ourselves but holy shit this made me jump out of my chair
pic link:
https://earthquaketrack.com/quakes/2020-06-18-12-49-53-utc-7-1-10