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Very strong mag. 6.4 earthquake - 119 km east of Miyako, Iwate, Japan, on Wednesday, March 23, 1960 at 01:07 GMT

Very strong mag. 6.4 earthquake - 119 km east of Miyako, Iwate, Japan, on Wednesday, March 23, 1960 at 01:07 GMT Very strong mag. 6.4 earthquake - 119 km east of Miyako, Iwate, Japan, on Wednesday, March 23, 1960 at 01:07 GMT

Very strong magnitude 6.4 earthquake at 15 km depth

Date & time: Mar 23, 1960 01:07:18 UTC
Magnitude: 6.4
Depth: 15.0 km
Epicenter latitude / longitude: 39.516°N / 143.321°E (North Pacific Ocean, Japan)
Antipode: 39.516°S / 36.679°W
Nearest volcano: Nanashigure (199 km / 124 mi)
Nearby towns and cities:
118 km (73 mi) E of Yamada (Shimohei-gun) (pop: 20,100) --> See nearby quakes!
119 km (74 mi) E of Miyako (pop: 51,700) --> See nearby quakes!
128 km (79 mi) ENE of Kamaishi (pop: 43,100) --> See nearby quakes!
147 km (91 mi) ENE of Ofunato (pop: 35,400) --> See nearby quakes!
187 km (116 mi) E of Morioka (pop: 295,200) --> See nearby quakes!
190 km (118 mi) SE of Hachinohe (pop: 239,000) --> See nearby quakes!
190 km (118 mi) E of Hanamaki (pop: 73,100) --> See nearby quakes!
191 km (119 mi) E of Kitakami (pop: 93,900) --> See nearby quakes!
428 km (266 mi) SSE of Sapporo (pop: 1,883,000) --> See nearby quakes!
532 km (331 mi) NE of Tokyo (pop: 8,336,600) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 2.5 x 1014 joules (69.8 gigawatt hours, equivalent to 60036 tons of TNT or 3.8 atomic bombs!) | about seismic energy
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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.
Mag.DepthLocationSource
6.415 kmoff the east coast of Honshu, 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.
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Aftershocks

[More info]

Recorded aftershocks, latest first (4 quakes)

Date and timeMag
Depth		LocationDetails
Mar 23, 1960 22:22
62 years ago
6.2

15 km		126 km E of Miyako, Iwate, JapanMore
Mar 23, 1960 11:51
62 years ago
5.8

25 km		147 km E of Kamaishi, Iwate, JapanMore
Mar 23, 1960 10:28
62 years ago
5.9

25 km		150 km E of Kamaishi, Iwate, JapanMore
Mar 23, 1960 08:46
62 years ago
5.9

15 km		111 km E of Miyako, Iwate, JapanMore

Earlier earthquakes in the same area

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