Major magnitude 6.5 earthquake - New Zealand on Tuesday, September 7, 1993 at 02:48 GMT
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Major magnitude 6.5 earthquake at 10 km depth
1 Jan 00:00 UTC: First to report: USGS after 30 seconds.
Magnitude: 6.5
Depth: 10.0 km
Epicenter latitude / longitude: 31.635°S / 179.44°W

Antipode: 31.635°N / 0.56°E
Nearest volcano: Volcano W (34 km / 21 mi)
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 3.5 x 1014 joules (98.6 gigawatt hours, equivalent to 84802 tons of TNT or 5.3 atomic bombs!) | about seismic energy
Data for the same earthquake reported by different agencies
Info: The more agencies report about the same quake and post similar data, the more confidence you can have in the data. It takes normally up to a few hours until earthquake parameters are calculated with near-optimum precision.
Mag. | Depth | Location | Source |
6.5 | 10 km | Kermadec Islands region (New Zealand) | USGS |
User reports for this quake
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
Aftershocks
[More info]
Recorded aftershocks, latest first (3 quakes)
Date and time![]() | Mag Depth | Location | Details |
Dec 18, 1993 18:11 28 years ago | 4.9 376 km | South of the Kermadec Islands | More |
Oct 14, 1993 16:34 29 years ago | 4.8 33 km | New Zealand | More |
Sep 12, 1993 13:37 29 years ago | 4.1 384 km | More |
Earlier earthquakes in the same area
Click here to search our database for earlier earthquakes in the same area since 1900!