Moderate mag. 4.9 earthquake - 115 km northeast of Sendai, Japan, on Saturday, September 12, 2020 at 02:50 (GMT) -

This quake was likely an aftershock of the 6.1 quake North Pacific Ocean, 54 km southeast of Ōfunato, Iwate, Japan, September, 12 2020 02:44 GMT, which had occurred 7 minutes earlier.
Moderate mag. 4.9 earthquake - 115 km northeast of Sendai, Japan, on Saturday, September 12, 2020 at 02:50 (GMT)

Moderate magnitude 4.9 earthquake at 40 km depth

12 Sep 03:04 UTC: First to report: EMSC after 13 minutes.
12 Sep 03:10: Magnitude recalculated from 5.0 to 4.9. Hypocenter depth recalculated from 40.0 to 41.0 km (from 25 to 25 mi). Epicenter location corrected by 9.8 km (6.1 mi) towards ESE.
12 Sep 03:16: Hypocenter depth recalculated from 41.0 to 40.0 km (from 25 to 25 mi). Epicenter location corrected by 29 km (17.9 mi) towards W.
Date & time: Sep 12, 2020 02:50:42 UTC -
Magnitude: 4.9
Depth: 40.0 km
Epicenter latitude / longitude: 38.69°N / 142.07°E (North Pacific Ocean, Japan)
Antipode: 38.69°S / 37.93°W
Nearest volcano: Kurikoma (143 km / 89 mi)
Nearby towns and cities:
52 km (33 mi) SE of Ōfunato (pop: 35,400) --> See nearby quakes!
68 km (42 mi) SSE of Kamaishi (pop: 43,100) --> See nearby quakes!
74 km (46 mi) ENE of Ishinomaki (pop: 117,200) --> See nearby quakes!
80 km (50 mi) ENE of Yamoto (Higashimatsushima) (pop: 32,000) --> See nearby quakes!
85 km (53 mi) ESE of Ichinoseki (pop: 63,000) --> See nearby quakes!
95 km (59 mi) ESE of Mizusawa (pop: 61,300) --> See nearby quakes!
98 km (61 mi) E of Furukawa (pop: 76,300) --> See nearby quakes!
99 km (62 mi) ENE of Shiogama (pop: 59,500) --> See nearby quakes!
115 km (71 mi) ENE of Sendai (pop: 1,063,100) --> See nearby quakes!
395 km (245 mi) NNE of Tokyo (pop: 8,336,600) --> See nearby quakes!
Primary data source: EMSC (European-Mediterranean Seismological Centre)
Estimated released energy: 1.4 x 1012 joules (392 megawatt hours, equivalent to 338 tons of TNT) More info
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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
4.940 kmNear East Coast Of Honshu, JapanEMSC
4.941 km74 Km SE of Ōfunato, JapanUSGS

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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Misawa (Japan, 229 km NW of epicenter) : I kept eating popcorn while watching water in my glass shake. | One user found this interesting. (reported through EMSC)  
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