Strong mag. 6.5 earthquake - Kermadec Islands, New Zealand, on Wednesday, 21 August 1968 at 17:56 (GMT)
Strong magnitude 6.5 earthquake at 15 km depth
Depth: 15.0 km
Epicenter latitude / longitude: 30.775°S / 178.766°W (New Zealand)
Nearest volcano: Curtis Island (33 km / 21 mi)
Primary data source: USGS
Estimated released energy: 3.5 x 1014 joules (98.6 gigawatt hours, equivalent to 84802 tons of TNT or 5.3 atomic bombs!) More info
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.
|M 6.5||15 km||Kermadec Islands, New Zealand||USGS|
User reports for this quake
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
be the first to report it!There are no user reports for this quake yet. If you felt it
Aftershocks of the 6.5 quake Kermadec Islands, New Zealand, 21 August 17:56 UTC
More infoRecorded aftershocks, latest first (1 quakes):
- 26 Sep 1968 18:02 UTC| M 7.1 |50 km (31.1 mi) depth|83 km (52 mi) distance| USGS | Major magnitude. 7.1 earthquake - Kermadec Islands, New Zealand, on Thursday, 26 September 1968 at 18:02 (GMT)