Strong mag. 6.1 earthquake - North Pacific Ocean, 579 km northeast of Tokio, Tokyo, Japan, on Tuesday, 15 April 1969 at 17:30 (GMT)
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Strong magnitude 6.1 earthquake at 10 km depth
Depth: 10.0 km
Epicenter latitude / longitude: 39.854°N / 143.647°E (North Pacific Ocean, Japan)
Nearest volcano: Nanashigure (218 km / 135 mi)
Nearby towns and cities:
579 km (360 mi) NE of Tokyo (pop: 8,336,600) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 8.9 x 1013 joules (24.8 gigawatt hours, equivalent to 21301 tons of TNT or 1.3 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.
|M 6.1||10 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.
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Aftershocks of the 6.1 quake North Pacific Ocean, 579 km northeast of Tokio, Tokyo, Japan, 15 April 1969 17:30 GMT
More infoRecorded aftershocks, latest first (4 quakes):
- 12 Jul 1969 19:16 UTC| M 6.2 |19.5 km (12.1 mi) depth|8 km (5 mi) distance| USGS | Strong mag. 6.2 earthquake - North Pacific Ocean, 583 km northeast of Tokio, Tokyo, Japan, on Saturday, 12 July 1969 at 19:16 (GMT)
- 12 Jun 1969 07:41 UTC| M 5.8 |15 km (9.3 mi) depth|63 km (39 mi) distance| USGS | Details
- 22 Apr 1969 08:11 UTC| M 6.0 |34.5 km (21.4 mi) depth|26 km (16 mi) distance| USGS | Strong mag. 6.0 earthquake - North Pacific Ocean, 567 km northeast of Tokio, Tokyo, Japan, on Tuesday, 22 April 1969 at 08:11 (GMT)
- 17 Apr 1969 04:56 UTC| M 5.9 |10 km (6.2 mi) depth|28 km (18 mi) distance| USGS | Details