Strong mag. 6.3 earthquake - Kermadec Islands Region (New Zealand) on Tuesday, 20 September 1955
Depth: 30.0 km
Epicenter latitude / longitude: 31.763°S / 178.011°W (New Zealand)
Nearest volcano: Volcano W (111 km / 69 mi)
Primary data source: USGS
Estimated released energy: 1.8 x 1014 joules (49.4 gigawatt hours, equivalent to 42502 tons of TNT or 2.7 atomic bombs!) [learn more]
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.
|Time||Mag. / Depth||Location||Source|
|Tue, 20 Sep 13:20 UTC||M 6.3 / 30 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.
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Aftershocks of the 6.3 quake: Kermadec Islands Region (New Zealand), 20 Sep 1955 13:20
More infoRecorded aftershocks, latest first (1 quakes):
- 24 Sep 1955 02:00 UTC| M 5.9 |15 km (9.3 mi) depth|62 km (38 mi) distance| USGS | Details