Major magnitude 6.9 earthquake - North Pacific Ocean, 94 km southeast of Chichijima Island, Japan, on Wednesday, 7 December 1955 at 15:03 (GMT)
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Major magnitude 6.9 earthquake at 10 km depth
Date & time: 7 Dec 1955 15:03:15 UTC
Depth: 10.0 km
Epicenter latitude / longitude: 26.497°N / 142.908°E (North Pacific Ocean, Japan)
Nearest volcano: unnamed (162 km / 101 mi)
Nearby towns and cities:
94 km (58 mi) SE of Chichijima Island (pop: 2,000) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 1.4 x 1015 joules (392 gigawatt hours, equivalent to 3.4 x 105 tons of TNT or 21.1 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 6.9||10 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.