Magnitude 7 plus earthquakes for 1997
Inside the pop up tags off the maps you will find details of the earthquake.
Some events have brief background information about the earthquake, damage, intensity etc, on the popup balloon.
The info is sourced mainly from Historic World Earthquakes and Earthquakes with 1,000 or More Deaths since 1900 both USGS sites and other Historic NZ Earthquakes, and Historic Tsunami and Volcanic eruption records. More recent events may have MM Intensity reports in the tags.