Strong mag. 6.4 earthquake - Off the East Coast of Honshu, Japan on Wednesday, 23 March 1960
Magnitude: 6.4
Depth: 15.0 km
Epicenter latitude / longitude: 39.516°N / 143.321°E
(Japan)Nearest volcano: Nanashigure (199 km / 124 mi)
Nearby towns and cities:
118 km (73 mi) E of Yamada (pop: 20,100)
119 km (74 mi) E of Miyako (pop: 51,700)
123 km (77 mi) E of Ōtsuchi (pop: 16,500)
187 km (116 mi) E of Morioka (pop: 295,200)
190 km (118 mi) SE of Hachinohe (pop: 239,000)
532 km (331 mi) NE of Tokyo (pop: 8,336,600)
Primary data source: USGS
Estimated released energy: 2.5 x 1014 joules (69.8 gigawatt hours, equivalent to 60036 tons of TNT or 3.8 atomic bombs!) [learn more]
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.
| Time | Mag. / Depth | Location | Source |
| Wed, 23 Mar 01:07 UTC | M 6.4 / 15 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!
Aftershocks of the 6.4 quake: Off the East Coast of Honshu, Japan, 23 Mar 1960 01:07
More info
Recorded aftershocks, latest first (4 quakes):- 23 Mar 1960 22:22 UTC| M 6.2 |15 km (9.3 mi) depth|31 km (19 mi) distance| USGS | Strong mag. 6.2 earthquake - Off the East Coast of Honshu, Japan on Wednesday, 23 March 1960
- 23 Mar 1960 11:51 UTC| M 5.8 |25 km (15.5 mi) depth|46 km (29 mi) distance| USGS | Details
- 23 Mar 1960 10:28 UTC| M 5.9 |25 km (15.5 mi) depth|48 km (30 mi) distance| USGS | Details
- 23 Mar 1960 08:46 UTC| M 5.9 |15 km (9.3 mi) depth|29 km (18 mi) distance| USGS | Details
Earlier earthquakes in the same area
Strong mag. 6.4 earthquake - Off the East Coast of Honshu, Japan on Wednesday, 23 March 1960Click here to search our database for earlier earthquakes in the same area since 1900!
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