Mag. 4.8 earthquake - 55 km north of Sendai, Japan, on Saturday, 21 Nov 7.20 am (GMT +9) -

Mag. 4.8 earthquake  - 55 km north of Sendai, Japan, on Saturday, 21 Nov 7.20 am (GMT +9)

Light magnitude 4.8 earthquake at 100 km depth

20 Nov 22:25 UTC: First to report: EMSC after 5 minutes.
20 Nov 23:33: Magnitude recalculated from 4.1 to 4.8. Epicenter location corrected by 22 km (14 mi) towards NW.
Update Fri, 20 Nov 2020, 22:30
Magnitude 4.1 earthquake strikes near Sendai, Japan
4.1 quake 21 Nov 7:20 am (GMT +9)
4.1 quake 21 Nov 7:20 am (GMT +9)
Just 10 minutes ago, a 4.1-magnitude earthquake struck near the town of Furukawa, Japan. The tremor was recorded in the morning on Saturday 21 November 2020 at 7.20 am local time, at an intermediate depth of 100 km below the surface.
The event was filed by the European-Mediterranean Seismological Centre (EMSC), the first seismological agency to report it.
Towns or cities near the epicenter where the quake might have been felt as very weak shaking include Furukawa (pop. 76,300) located 5 km from the epicenter, Kogota (pop. 19,800) 7 km away, Wakuya (pop. 18,300) 13 km away, Tomiya (pop. 42,500) 25 km away, Matsushima (pop. 16,400) 26 km away, Ishinomaki (pop. 117,200) 33 km away, Sendai (pop. 1,063,100) 39 km away, and Yamagata (pop. 254,500) 69 km away.
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Earthquake data:

Date & time: 20 Nov 2020 10:20:46 UTC -
Local time at epicenter: Saturday, 21 Nov 7.20 am (GMT +9)
Magnitude: 4.8
Depth: 100.0 km
Epicenter latitude / longitude: 38.76°N / 140.85°E (Japan)
Nearest volcano: Narugo (28 km / 17 mi)
Nearby towns and cities:
23 km (14 mi) NNW of Furukawa (pop: 76,300)
30 km (19 mi) SW of Ichinoseki (Iwate) (pop: 63,000)
34 km (21 mi) NW of Wakuya (Tōda Gun) (pop: 18,300)
41 km (25 mi) N of Tomiya (pop: 42,500)
52 km (32 mi) NNW of Shiogama (pop: 59,500)
55 km (34 mi) NW of Ishinomaki (pop: 117,200)
55 km (34 mi) N of Sendai (pop: 1,063,100)
357 km (222 mi) NNE of Tokyo (pop: 8,336,600)
Weather at epicenter at time of quake:
Scattered Clouds 13°C (55 F), humidity: 50%, wind: 5 m/s (9 kts) from N
Primary data source: EMSC
Estimated released energy: 1 x 1012 joules (278 megawatt hours, equivalent to 239 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.
MagnitudeDepthLocationSource
M 4.81 kmEASTERN HONSHU, JAPANEMSC
M 4.7108 kmEastern Honshu, JapanGFZ

User reports for this quake (2)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
53.3 km S of epicenter [Map] / Very weak shaking (MMI II) / horizontal (sideways) swinging / 2-5 s
50.5 km S of epicenter [Map] / Light shaking (MMI IV) (reported through our app)
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Earlier earthquakes in the same area since 1900

Mag. 4.8 earthquake - 55 km north of Sendai, Japan, on Saturday, 21 Nov 7.20 am (GMT +9)

Map of earlier quakes

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