Strong mag. 5.6 earthquake - North Pacific Ocean, Japan, on Monday, 17 January 1977 at 06:23 (GMT)
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Strong magnitude 5.6 earthquake at 33 km depth
Date & time: 17 Jan 1977 06:23:36 UTC
Depth: 33.0 km
Epicenter latitude / longitude: 26.677°N / 142.579°E (North Pacific Ocean, Japan)
Nearest volcano: Kaikata (157 km / 98 mi)
Nearby towns and cities:
57 km (35 mi) SE of Chichijima Island (pop: 2,000) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 1.6 x 1013 joules (4.4 gigawatt hours, equivalent to 3788 tons of TNT or 0.2 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 5.6||33 km||Bonin Islands, Japan region||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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More infoRecorded aftershocks, latest first (1 quakes):
- 23 Jan 1977 14:54 UTC| M 5.0 |33 km (20.5 mi) depth|34 km (21 mi) distance| USGS | Details