Strong mag. 6.3 earthquake - North Pacific Ocean, 446 km northeast of Tokyo, Japan, on Friday, 11 April 1958 at 00:58 (GMT)
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Strong magnitude 6.3 earthquake at 20 km depth
Magnitude: 6.3
Depth: 20.0 km
Epicenter latitude / longitude: 38.58°N / 143.175°E
(North Pacific Ocean, Japan)Nearest volcano: Kurikoma (211 km / 131 mi)
Nearby towns and cities:
137 km (85 mi) SE of Kamaishi (pop: 43,100) --> See nearby quakes!
138 km (86 mi) ESE of Ōfunato (pop: 35,400) --> See nearby quakes!
141 km (87 mi) SE of Ōtsuchi (Kamihei-gun) (pop: 16,500) --> See nearby quakes!
145 km (90 mi) SE of Yamada (Shimohei-gun) (pop: 20,100) --> See nearby quakes!
159 km (99 mi) SE of Miyako (pop: 51,700) --> See nearby quakes!
164 km (102 mi) E of Ishinomaki (pop: 117,200) --> See nearby quakes!
181 km (112 mi) E of Ichinoseki (pop: 63,000) --> See nearby quakes!
195 km (121 mi) ESE of Kitakami (pop: 93,900) --> See nearby quakes!
204 km (127 mi) E of Sendai (pop: 1,063,100) --> See nearby quakes!
446 km (277 mi) NE 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.
| Magnitude | Depth | Location | Source |
| M 6.3 | 20 km | off the east coast of Honshu, Japan | 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!
So far, no aftershocks have been registered.
Aftershocks of the 6.3 quake North Pacific Ocean, 446 km northeast of Tokyo, Japan, 11 April 1958 00:58 GMT
More info
Recorded aftershocks, latest first (0 quakes):So far, no aftershocks have been registered.
Earlier earthquakes in the same area
Strong mag. 6.3 earthquake - North Pacific Ocean, 446 km northeast of Tokyo, Japan, on Friday, 11 April 1958 at 00:58 (GMT)
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