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Moderate mag. 5.3 earthquake - 47 km west of Iwaki, Fukushima, Japan, on Tuesday, Apr 19, 2022 at 8:15 am (GMT +9) -

This quake was likely an aftershock of the 7.3 quake North Pacific Ocean, 89 km southeast of Sendai, Honshu-miyagi-ken, Japan, Mar 16, 2022 11:36 pm (GMT +9), which had occurred 5 weeks earlier.
Moderate mag. 5.3 earthquake - 47 km west of Iwaki, Fukushima, Japan, on Tuesday, Apr 19, 2022 at 8:15 am (GMT +9) Moderate mag. 5.3 earthquake - 47 km west of Iwaki, Fukushima, Japan, on Tuesday, Apr 19, 2022 at 8:15 am (GMT +9)

Moderate magnitude 5.3 earthquake at 94 km depth

18 Apr 23:19 UTC: First to report: VolcanoDiscovery after 3 minutes.
18 Apr 23:24: Now using data updates from GFZ
18 Apr 23:46: Now using data updates from USGS
19 Apr 21:50: Hypocenter depth recalculated from 98.1 to 94.1 km (from 61 to 58 mi). Epicenter location corrected by 2.9 km (1.8 mi) towards WSW.

Earthquake details

Date & timeApr 18, 2022 23:15:59 UTC -
Local time at epicenterTuesday, Apr 19, 2022 at 8:15 am (GMT +9)
StatusConfirmed
Magnitude5.3
Depth94.1 km
Epicenter latitude / longitude36.9462°N / 140.3737°E (Higashishirakawa-gun, Fukushima, Japan)
Antipode36.946°S / 39.626°W
Shaking intensityWeak shaking
Felt24 reports
Primary data sourceUSGS (United States Geological Survey)
Nearest volcanoNasu (41 km / 25 mi)
Nearby towns and cities4 km (2 mi) W of Hanawa (pop: 8,370) | Show on map | Quakes nearby
24 km (15 mi) SSW of Ishikawa (pop: 18,800) | Show on map | Quakes nearby
29 km (18 mi) E of Kuroiso (Tochigi) (pop: 61,200) | Show on map | Quakes nearby
38 km (23 mi) S of Sukagawa (pop: 68,800) | Show on map | Quakes nearby
46 km (28 mi) NNW of Hitachi (Ibaraki) (pop: 186,300) | Show on map | Quakes nearby
47 km (29 mi) WSW of Iwaki (pop: 357,300) | Show on map | Quakes nearby
50 km (31 mi) S of Kōriyama (pop: 340,600) | Show on map | Quakes nearby
90 km (56 mi) S of Fukushima (pop: 294,200) | Show on map | Quakes nearby
153 km (95 mi) NNE of Tokyo (pop: 8,336,600) | Show on map | Quakes nearby
180 km (112 mi) NNE of Yokohama (Kanagawa) (pop: 3,574,400) | Show on map | Quakes nearby
Weather at epicenter at time of quakeScattered Clouds 11.3°C (52 F), humidity: 54%, wind: 5 m/s (9 kts) from NNW
Estimated seismic energy released5.6 x 1012 joules (1.56 gigawatt hours, equivalent to 1344 tons of TNT) | 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.
Mag.DepthLocationSource
5.394 km20 Km N of Daigo, JapanUSGS
5.3100 kmNEAR EAST COAST OF HONSHU, JAPANEMSC
5.394 kmNear East Coast of Honshu, JapanRaspberryShake
5.488 kmJapan: Near NiigataRENASS
5.3104 km21 Km NNE of Daigo, JapanGFZ
5.3118 kmNear East Coast of Honshu, JapanGeoAu

User reports for this quake (24)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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Chiba Ken, Narita / Light shaking (MMI IV) / vertical swinging (up and down) / 10-15 s : Quite a powerful start with a few vertical jolts, followed by lighter horizontal ones. Clearly a morning wake up. | One user found this interesting.  
Oyama Tochigi (87.9 km SW of epicenter) [Map] / Weak shaking (MMI III) / very short : I am sleeping when earthquake come suddenly I awake up and the house feel like some body push the some thing  
Oyama Tochigi (87.9 km SW of epicenter) [Map] / Weak shaking (MMI III) / very short : I am sleeping when earthquake come suddenly I awake up and the house feel like some body push the some thing  
Yokohama, Kanagawa (177.9 km SSW of epicenter) [Map] / Weak shaking (MMI III) : In 8th floor apartment in Yokohama, swinging sensation while sitting on sofa. | One user found this interesting.  
Tokyo (151 km SSW of epicenter) [Map] / Light shaking (MMI IV) / horizontal (sideways) swinging / 5-10 s : Mitsui garden hotel, slight horizontal shaking for maybe 10 seconds | One user found this interesting.  
Chiba Ken, Narita / Light shaking (MMI IV) / vertical swinging (up and down) / 10-15 s : Quite a powerful start with a few vertical jolts, followed by lighter horizontal ones. Clearly a morning wake up.  
Tokyo (148.5 km SSW of epicenter) [Map] / Weak shaking (MMI III) / rattling, vibrating / 2-5 s (reported through our app)
Tsukuba (100 km SSW of epicenter) [Map] / Weak shaking (MMI III) / single lateral shake / 1-2 s
Inzai-chiba (128.9 km S of epicenter) [Map] / Weak shaking (MMI III) / rattling, vibrating / 20-30 s (reported through our app)
Ashikaga, Tochigi (105.9 km SW of epicenter) [Map] / Weak shaking (MMI III) / rattling, vibrating / 20-30 s
Ashikaga (107.1 km SW of epicenter) [Map] / Weak shaking (MMI III) : Slight shaking  
Narita Japan (129.2 km S of epicenter) [Map] / Weak shaking (MMI III) / horizontal (sideways) swinging / 30-60 s
Tokio (152.5 km SSW of epicenter) [Map] / Very weak shaking (MMI II)
Tokyo (154.2 km SSW of epicenter) [Map] / Weak shaking (MMI III) / horizontal (sideways) swinging / 10-15 s : At apartment. Bed, TV, furniture whole room shaking.  
146.1 km SSW of epicenter [Map] / Weak shaking (MMI III) / single lateral shake / 20-30 s : I'm in the bed and it's was strong  
Tokyo shinshuku / Weak shaking (MMI III) / 10-15 s : Bed was vibrating  
Chuo-ku, Tokyo / Light shaking (MMI IV) / horizontal (sideways) swinging / 10-15 s (reported through our app)
Fukushima / Very weak shaking (MMI II) / single lateral shake / 2-5 s
Kodaira (158.6 km SSW of epicenter) [Map] / Light shaking (MMI IV) : Like a close train was passing by  
Minato-ku, Tokyo / Weak shaking (MMI III) / vibration and rolling / 10-15 s
Narita / Light shaking (MMI IV) / horizontal (sideways) swinging / 20-30 s
Chuo-ku / Weak shaking (MMI III) / single lateral shake / 2-5 s : Light rolling shaking. Easily distinguishable that this was an earthquake.  
Nerima / Light shaking (MMI IV) / horizontal (sideways) swinging / 30-60 s (reported through our app)
Ryūgasaki / Weak shaking (MMI III) / vibration and rolling / 10-15 s : Weak shaking. Thought it might have been a big truck until I saw there'd be a quake.  
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Aftershocks

[More info]

Recorded aftershocks, latest first (9 quakes)

Date and timeMag
Depth
LocationDetails
Jun 5, 2022 09:58
52 weeks ago
2.6

81 km
Fukushima, 11 km N of Daigo, Kuji-gun, Ibaraki, JapanMore
May 26, 2022 13:33
1 year 1 weeks ago
2.6

8.7 km
20 km N of Hitachi, Ibaraki, JapanMore
May 12, 2022 08:31
1 year 3 weeks ago
2.7

7.7 km
14 km W of Kitaibaraki, JapanMore
Apr 28, 2022 14:28
1 year 5 weeks ago
2.5

110 km
Fukushima, 16 km NE of Daigo, Kuji-gun, Ibaraki, JapanMore
Apr 28, 2022 03:34
1 year 5 weeks ago
2.9

8.5 km
13 km W of Kitaibaraki, JapanMore
Apr 19, 2022 16:40
1 year 6 weeks ago
3.0

7.3 km
35 km W of Iwaki, Fukushima, JapanMore
Apr 19, 2022 07:51
1 year 6 weeks ago
2.7

93 km
10.9 km N of Daigo, Kuji-gun, Ibaraki, JapanMore
Apr 19, 2022 00:02
1 year 6 weeks ago
2.5

93 km
11 km N of Daigo, Kuji-gun, Ibaraki, JapanMore
Apr 18, 2022 23:24
1 year 6 weeks ago
2.8

94 km
11 km N of Daigo, Kuji-gun, Ibaraki, JapanMore

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