Major mag. 7.1 earthquake - West of the Bonin Islands, Japan on Sunday, 4 July 1982
Depth: 536.0 km
Epicenter latitude / longitude: 27.929°N / 136.967°E (international territory)
Primary data source: USGS
Estimated released energy: 2.8 x 1015 joules (783 gigawatt hours, equivalent to 6.7 x 105 tons of TNT or 42.1 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|
|Sun, 4 Jul 01:20 UTC||M 7.1 / 536 km||West of the Bonin Islands, Japan||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 7.1 quake: West of the Bonin Islands, Japan, 4 Jul 1982 01:20
More infoRecorded aftershocks, latest first (1 quakes):
- 15 Nov 1982 15:25 UTC| M 4.6 |516.6 km (321 mi) depth|139 km (87 mi) distance| USGS | Details