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Strong mag. 6.2 earthquake - Off East Coast of Honshu, Japan on Friday, 20 February 2015

Very strong mag. 6.3 earthquake - North Pacific Ocean, 141 km east of Miyako, Iwate, Japan, on Friday, February 20, 2015 at 04:25 GMT

This quake was likely an aftershock of the 6.7 quake North Pacific Ocean, 87 km east of Miyako, Iwate, Japan, February 16, 2015 23:06 GMT, which had occurred 3 days earlier.
Very strong mag. 6.3 earthquake - North Pacific Ocean, 141 km east of Miyako, Iwate, Japan, on Friday, February 20, 2015 at 04:25 GMT Very strong mag. 6.3 earthquake - North Pacific Ocean, 141 km east of Miyako, Iwate, Japan, on Friday, February 20, 2015 at 04:25 GMT

Very strong magnitude 6.3 earthquake at 16 km depth

20 Feb 04:32 UTC: First to report: GFZ after 7 minutes.
Feb 20 16:10: Magnitude recalculated from 6.2 to 6.3.
Date & time: Feb 20, 2015 04:25:25 UTC
Magnitude: 6.3
Depth: 16.0 km
Epicenter latitude / longitude: 39.89°N / 143.56°E (North Pacific Ocean, Japan)
Antipode: 39.89°S / 36.44°W
Nearest volcano: Osore-yama (228 km / 142 mi)
Nearby towns and cities:
141 km (88 mi) ENE of Miyako (pop: 51,700) --> See nearby quakes!
146 km (90 mi) ENE of Yamada (Shimohei-gun) (pop: 20,100) --> See nearby quakes!
154 km (95 mi) ENE of Ōtsuchi (Kamihei-gun) (pop: 16,500) --> See nearby quakes!
160 km (100 mi) ENE of Kamaishi (pop: 43,100) --> See nearby quakes!
183 km (113 mi) ENE of Ofunato (pop: 35,400) --> See nearby quakes!
185 km (115 mi) ENE of Tōno (pop: 26,800) --> See nearby quakes!
188 km (117 mi) ESE of Hachinohe (pop: 239,000) --> See nearby quakes!
207 km (129 mi) E of Morioka (pop: 295,200) --> See nearby quakes!
398 km (248 mi) SSE of Sapporo (pop: 1,883,000) --> See nearby quakes!
578 km (359 mi) NE of Tokyo (pop: 8,336,600) --> See nearby quakes!
397 km (247 mi) S of Hokkaido Island (pop: 5,500,000) --> See nearby quakes!
427 km (265 mi) SE of Okushiri Island (pop: 3,340) --> See nearby quakes!
Primary data source: GFZ (German Research Centre for Geosciences)
Estimated released energy: 1.8 x 1014 joules (49.4 gigawatt hours, equivalent to 42502 tons of TNT or 2.7 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.
6.316 kmOff East Coast of Honshu, JapanGFZ
6.314 km140km E of Miyako, JapanUSGS
6.314 kmE of Miyako, JapanGeoAu

User reports for this quake (1)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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Miyako (Japan, 143 km W of epicenter) : This is a Great Earthquake (reported through EMSC)  
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