Moderate mag. 5.6 earthquake - South of the Fiji Islands (Tonga) on Tuesday, 16 June 1987
Depth: 146.1 km
Epicenter latitude / longitude: 22.931°S / 176.727°W (Tonga)
Nearest volcano: Ata Volcanic Complex (85 km / 53 mi)
Primary data source: USGS
Estimated released energy: 1.6 x 1013 joules (4.4 gigawatt hours, equivalent to 3788 tons of TNT or 0.2 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, 16 Jun 20:17 UTC||M 5.6 / 146.1 km||South of the Fiji Islands (Tonga)||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 5.6 quake: South of the Fiji Islands (Tonga), 16 Jun 1987 20:17
More infoRecorded aftershocks, latest first (1 quakes):
- 29 Jul 1987 21:53 UTC| M 5.1 |100 km (62.1 mi) depth|26 km (16 mi) distance| USGS | Details