Light mag. 4.2 earthquake - North Pacific Ocean, 37 km east of Ishinomaki, Miyagi, Japan, on Saturday, 20 Mar 2021 6:18 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 5 weeks earlier.
Light mag. 4.2 earthquake - North Pacific Ocean, 37 km east of Ishinomaki, Miyagi, Japan, on Saturday, 20 Mar 2021 6:18 pm (GMT +9)

Light magnitude 4.2 earthquake at 60 km depth

20 Mar 09:26 UTC: First to report: EMSC after 8 minutes.
Date & time: 20 Mar 2021 09:18:30 UTC -
Local time at epicenter: Saturday, 20 Mar 2021 6:18 pm (GMT +9)
Magnitude: 4.2
Depth: 60.0 km
Epicenter latitude / longitude: 38.3°N / 141.7°E (North Pacific Ocean, Japan)
Nearest volcano: Narugo (97 km / 60 mi)
Nearby towns and cities:
37 km (23 mi) ESE of Ishinomaki (pop: 117,200) --> See nearby quakes!
45 km (28 mi) ESE of Yamoto (Higashimatsushima) (pop: 32,000) --> See nearby quakes!
56 km (35 mi) ESE of Wakuya (Tōda Gun) (pop: 18,300) --> See nearby quakes!
56 km (35 mi) E of Matsushima (pop: 16,400) --> See nearby quakes!
58 km (36 mi) E of Shiogama (pop: 59,500) --> See nearby quakes!
63 km (39 mi) ESE of Kogota (Tōda Gun) (pop: 19,800) --> See nearby quakes!
63 km (39 mi) E of Rifu (pop: 35,000) --> See nearby quakes!
72 km (44 mi) ESE of Furukawa (pop: 76,300) --> See nearby quakes!
322 km (200 mi) NNE of Saitama (pop: 1,193,400) --> See nearby quakes!
341 km (212 mi) NNE of Tokyo (pop: 8,336,600) --> See nearby quakes!
Weather at epicenter at time of quake:
Overcast Clouds 10.5°C (51 F), humidity: 85%, wind: 8 m/s (16 kts) from SE
Primary data source: EMSC (European-Mediterranean Seismological Centre)
Estimated released energy: 1.3 x 1011 joules (35 megawatt hours, equivalent to 30.1 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.

User reports for this quake (8)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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Tokyo / Moderate shaking (MMI V) / horizontal (sideways) swinging / 20-30 s : It was a slow sway but felt strong and duration long. | 2 users found this interesting.  
Kawagoe / Light shaking (MMI IV) / single vertical bump / 10-15 s : Shaking a lot | 2 users found this interesting.  
76.2 km W of epicenter [Map] / Very weak shaking (MMI II) (reported through our app)
367 km SSW of epicenter [Map] / Moderate shaking (MMI V) (reported through our app)
Koshigaya saitama japan / Light shaking (MMI IV)
Mitaka Tokyo / Moderate shaking (MMI V)
Izunokuni / Light shaking (MMI IV) / 2-5 s
Koga Ibaraki / Light shaking (MMI IV)
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