Very strong mag. 6.3 earthquake - Naka Gun, 41 km southwest of Tokushima, Japan, on Wednesday, 27 July 1955 at 01:20 (GMT)
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Very strong magnitude 6.3 earthquake at 15 km depth
Depth: 15.0 km
Epicenter latitude / longitude: 33.766°N / 134.31°E (Naka Gun, Tokushima, Japan)
Nearest volcano: Takara (184 km / 114 mi)
Nearby towns and cities:
34 km (21 mi) S of Kamojimachō-jōgejima (pop: 24,400) --> See nearby quakes!
36 km (22 mi) WSW of Anan (pop: 55,400) --> See nearby quakes!
36 km (22 mi) SSW of Ishii (pop: 26,400) --> See nearby quakes!
36 km (23 mi) SW of Komatsushimachō (pop: 42,600) --> See nearby quakes!
37 km (23 mi) SSE of Wakimachi (pop: 17,700) --> See nearby quakes!
41 km (25 mi) SW of Tokushima (pop: 267,300) --> See nearby quakes!
48 km (30 mi) NE of Aki (Kochi) (pop: 20,100) --> See nearby quakes!
56 km (35 mi) SSW of Narutochō-mitsuishi (pop: 64,100) --> See nearby quakes!
151 km (94 mi) SW of Osaka (Ōsaka) (pop: 2,592,400) --> See nearby quakes!
536 km (333 mi) WSW of Tokyo (pop: 8,336,600) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 1.8 x 1014 joules (49.4 gigawatt hours, equivalent to 42502 tons of TNT or 2.7 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.
|6.3||15 km||Shikoku, Japan||USGS|
User reports for this quake
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
More infoRecorded aftershocks, latest first (0 quakes):
So far, no aftershocks have been registered.