Weak mag. 3.1 earthquake - North Pacific Ocean, 98 km southeast of Sendai, Miyagi, Japan, on Wednesday, 3 Mar 2021 6:38 pm (GMT +9) -
This quake was likely an aftershock of the 7.1 quake North Pacific Ocean, 88 km southeast of Sendai, Miyagi, Japan, 13 Feb 2021 11:07 pm (GMT +9), which had occurred 3 weeks earlier.
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Weak magnitude 3.1 earthquake at 44 km depth
3 Mar 09:47 UTC: First to report: NIED after 9 minutes.
Date & time: 3 Mar 2021 09:38:20 UTC -
Local time at epicenter: Wednesday, 3 Mar 2021 6:38 pm (GMT +9)
Magnitude: 3.1
Depth: 44.1 km
Epicenter latitude / longitude: 37.629°N / 141.637°E
(North Pacific Ocean, Japan)Nearest volcano: Adatara (119 km / 74 mi)
Nearby towns and cities:
58 km (36 mi) ENE of Namie (Futaba-gun) (pop: 21,900) --> See nearby quakes!
82 km (51 mi) ESE of Watari (pop: 36,300) --> See nearby quakes!
85 km (53 mi) ESE of Kakuda (pop: 33,200) --> See nearby quakes!
86 km (54 mi) SE of Iwanuma (pop: 42,400) --> See nearby quakes!
92 km (57 mi) SSE of Ishinomaki (pop: 117,200) --> See nearby quakes!
93 km (58 mi) NE of Iwaki (pop: 357,300) --> See nearby quakes!
93 km (58 mi) SE of Shiogama (pop: 59,500) --> See nearby quakes!
98 km (61 mi) SE of Sendai (pop: 1,063,100) --> See nearby quakes!
260 km (162 mi) NE of Saitama (pop: 1,193,400) --> See nearby quakes!
277 km (172 mi) NE of Tokyo (pop: 8,336,600) --> See nearby quakes!
Weather at epicenter at time of quake:
Clear Sky
2.2°C (36 F), humidity: 60%, wind: 8 m/s (15 kts) from N
Primary data source: NIED (National Research Institute for Earth Science and Disaster Resilience)Clear Sky
2.2°C (36 F), humidity: 60%, wind: 8 m/s (15 kts) from NEstimated released energy: 2.8 x 109 joules (783 kilowatt hours, equivalent to 0.674 tons of TNT) 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.
| Magnitude | Depth | Location | Source |
| 3.1 | 44 km | E OFF FUKUSHIMA PREF, Japan | NIED |
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