Strong mag. 6.5 earthquake - Philippines Sea, 274 km east of Nago, Okinawa, Japan, on Sunday, 28 February 1954 at 00:55 (GMT)

Strong mag. 6.5 earthquake  - Philippines Sea, 274 km east of Nago, Okinawa, Japan, on Sunday, 28 February 1954 at 00:55 (GMT)

Strong magnitude 6.5 earthquake at 20 km depth

Date & time: 28 Feb 1954 00:55:28 UTC
Magnitude: 6.5
Depth: 20.0 km
Epicenter latitude / longitude: 27.179°N / 130.673°E (Philippines Sea, Japan)
Nearest volcano: Yokoate-jima (244 km / 152 mi)
Nearby towns and cities:
177 km (110 mi) SE of Naze (pop: 41,400) --> See nearby quakes!
274 km (170 mi) ENE of Nago (pop: 59,600) --> See nearby quakes!
293 km (182 mi) ENE of Gushikawa (pop: 65,300) --> See nearby quakes!
293 km (182 mi) ENE of Katsuren-haebaru (Uruma) (pop: 34,200) --> See nearby quakes!
300 km (187 mi) ENE of Okinawa (pop: 125,500) --> See nearby quakes!
307 km (191 mi) ENE of Ginowan (pop: 91,800) --> See nearby quakes!
316 km (196 mi) ENE of Naha (pop: 300,800) --> See nearby quakes!
317 km (197 mi) ENE of Tomigusuku (pop: 55,700) --> See nearby quakes!
321 km (199 mi) ENE of Itoman (pop: 57,200) --> See nearby quakes!
1275 km (792 mi) SW of Tokyo (pop: 8,336,600) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
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
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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 6.520 kmRyukyu Islands, JapanUSGS
Note: for quakes of 2012 and earlier, our database often contains only records from USGS.

User reports for this quake

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
There are no user reports for this quake yet. If you felt it be the first to report it!
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More info
Recorded aftershocks, latest first (0 quakes):
So far, no aftershocks have been registered.

Earlier earthquakes in the same area

Strong mag. 6.5 earthquake - Philippines Sea, 274 km east of Nago, Okinawa, Japan, on Sunday, 28 February 1954 at 00:55 (GMT)
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