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Moderate mag. 5.0 earthquake - 6.7 km southwest of Tsukuba, Ibaraki, Japan, on Wednesday, Nov 9, 2022 at 5:40 pm (GMT +9) -

Moderate mag. 5.0 earthquake - 6.7 km southwest of Tsukuba, Ibaraki, Japan, on Wednesday, Nov 9, 2022 at 5:40 pm (GMT +9) Moderate mag. 5.0 earthquake - 6.7 km southwest of Tsukuba, Ibaraki, Japan, on Wednesday, Nov 9, 2022 at 5:40 pm (GMT +9)

Moderate magnitude 5.0 earthquake at 56 km depth

9 Nov 08:43 UTC: First to report: VolcanoDiscovery after 3 minutes.
9 Nov 08:46: Now using data updates from NIED
... [show all] ...
11 Nov 08:42: Hypocenter depth recalculated from 56.1 to 56.0 km (from 35 to 35 mi).
Update Wed, 9 Nov 2022, 08:51

Significant magnitude 5.2 quake hits 7 km west of Tsukuba, Japan in the afternoon

5.2 quake 9 Nov 5:40 pm (GMT +9)
5.2 quake 9 Nov 5:40 pm (GMT +9)
A moderately shallow magnitude 5.2 earthquake was reported in the afternoon near Tsukuba, Tsukuba-shi, Ibaraki, Japan.
According to Japan's National Research Institute for Earth Science and Disaster Resilience (NIED), the quake hit on Wednesday, November 9th, 2022, at 5:40 pm local time at a moderately shallow depth of 51.5 km. The exact magnitude, epicenter, and depth of the quake might be revised within the next few hours or minutes as seismologists review data and refine their calculations, or as other agencies issue their report.
Based on the preliminary seismic data, the quake should not have caused any significant damage, but was probably felt by many people as light vibration in the area of the epicenter.
Weak shaking might have been felt in Tsukuba (pop. 175,600) located 7 km from the epicenter, Ishige (pop. 24,900) 10 km away, Shimodate (pop. 63,700) 13 km away, Yūki (pop. 51,600) 18 km away, Naka (pop. 46,800) 20 km away, Ishioka (pop. 52,300) 22 km away, Ushiku (pop. 80,000) 27 km away, Mito (pop. 246,500) 42 km away, Tokyo (pop. 8,336,600) 63 km away, and Yokohama (pop. 3,574,400) 91 km away.
VolcanoDiscovery will automatically update magnitude and depth if these change and follow up if other significant news about the quake become available. If you're in the area, please send us your experience through our reporting mechanism, either online or via our mobile app. This will help us provide more first-hand updates to anyone around the globe who wants to know more about this quake.

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Earthquake details

Date & timeNov 9, 2022 08:40:12 UTC -
Local time at epicenterWednesday, Nov 9, 2022 at 5:40 pm (GMT +9)
StatusConfirmed
Magnitude5
Depth56.0 km
Epicenter latitude / longitude36.1738°N / 140.033°E (Shimotsuma-shi, Ibaraki, Japan)
Antipode36.174°S / 39.967°W
Shaking intensityWeak shaking
Felt48 reports
Primary data sourceUSGS (United States Geological Survey)
Nearest volcanoNantai (81 km / 50 mi)
Nearby towns and cities7 km (4 mi) WSW of Tsukuba (pop: 175,600) | Show on map | Quakes nearby
15 km (9 mi) SSE of Shimodate (pop: 63,700) | Show on map | Quakes nearby
18 km (11 mi) NW of Naka (pop: 46,800) | Show on map | Quakes nearby
19 km (12 mi) SE of Yūki (pop: 51,600) | Show on map | Quakes nearby
25 km (15 mi) NNW of Ushiku (pop: 80,000) | Show on map | Quakes nearby
42 km (26 mi) WSW of Mito (pop: 246,500) | Show on map | Quakes nearby
62 km (39 mi) NNE of Tokyo (pop: 8,336,600) | Show on map | Quakes nearby
89 km (55 mi) NNE of Yokohama (Kanagawa) (pop: 3,574,400) | Show on map | Quakes nearby
Weather at epicenter at time of quakeClear Sky 14.8°C (59 F), humidity: 45%, wind: 1 m/s (1 kts) from SSE
Estimated seismic energy released2 x 1012 joules (554 megawatt hours, equivalent to 477 tons of TNT) | about seismic energy
Show interactive Map
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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
5.056 km6 Km WSW of Tsukuba, JapanUSGS
5.055 kmEastern Honshu, JapanGFZ
5.065 kmEASTERN HONSHU, JAPANEMSC
5.056 kmNear East Coast of Honshu, JapanRaspberryShake
5.210 kmJapan: Near TokyoRENASS
5.252 kmNear Tokyo, Tokyo, JapanNIED
5.010 kmNear East Coast Of Honshu, JapanIRIS

Seismograms

Seismic station: Matsushiro, Japan (MAJO/IU network) | Distance from quake: 169 km / 105 mi | Show on map | Station Info
Seismic station Matsushiro, Japan: vertical movement plot around time of quake (source: IRIS/BUD)
Seismogram (vertical component) around time of quake. Thin dotted red line indicates time of quake. Seismic waves arrive some time later, depending on distance. Bandpass filter applied: 0.1-10.0 Hz. Source: IRIS Buffer of Uniform Data (BUD) webtool
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User reports for this quake (49)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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Arden Hill Central Park (105.1 km SSW of epicenter) [Map] / Very weak shaking (MMI II) / simple rolling (tilting sideways along one direction) / 5-10 s : Rather odd long roll like being on an inflatable mattress on a still lake with a single slow wave rolling under. | 2 users found this interesting.  
Atsugi, Kanagawa (98.5 km SW of epicenter) [Map] / Weak shaking (MMI III) / 20-30 s : Sitting on my couch and the floor started shaking. Hanging lights vibrates | 2 users found this interesting.  
Shinbashi, Tokyo / Light shaking (MMI IV) / 2-5 s : Hard to describe since it was my first one. But when the bed in my hotel room started to subtlety shake side by side it freaked me out. | One user found this interesting.  
Kasumigaseki (59.5 km WSW of epicenter) [Map] / Light shaking (MMI IV) : Was lying in bed and felt the ground begin to shake, heard the window next to me begin to shudder and rattle, and saw the water in my waterbottle moving around. The quake was only felt for about 20 seconds.  
Kandatsu / Light shaking (MMI IV) / rattling, vibrating / 5-10 s : It suddenly appears from nothing, not noise before, but noise during and shaking quickly for about 10 seconds.  
Tokyo (56.3 km SSW of epicenter) [Map] / Light shaking (MMI IV)
Asakusa taito Tokyo (54.9 km SSW of epicenter) [Map] / Very weak shaking (MMI II) / 2-5 s
Shirokanedai (65.5 km SSW of epicenter) [Map] / Light shaking (MMI IV) / rattling, vibrating / 2-5 s
Fussa (78.3 km SW of epicenter) [Map] / Very weak shaking (MMI II) / very short : Laying in bed and felt the bed shaking  
Tokyo (66.4 km SSW of epicenter) [Map] / Light shaking (MMI IV) / 5-10 s
Tokyo (58.8 km SSW of epicenter) [Map] / Light shaking (MMI IV)
Bunkyo (55.5 km SSW of epicenter) [Map] / Weak shaking (MMI III) / 1-2 minutes
Yokosuka (102.6 km SSW of epicenter) [Map] / Very weak shaking (MMI II) / horizontal (sideways) swinging / very short
Dogenzaka (64.7 km SSW of epicenter) [Map] / Weak shaking (MMI III) / horizontal (sideways) swinging / 20-30 s
Tokyo Akihabara (58.1 km SSW of epicenter) [Map] / Very weak shaking (MMI II) / 15-20 s
Tokyo (56 km SSW of epicenter) [Map] / Light shaking (MMI IV) / horizontal (sideways) swinging / 20-30 s
Tokyo (61.8 km SSW of epicenter) [Map] / Moderate shaking (MMI V)
Fussa (78.3 km SW of epicenter) [Map] / Very weak shaking (MMI II) / very short : Laying in bed and felt the bed shaking  
Kitasando (64.1 km SSW of epicenter) [Map] / Very weak shaking (MMI II)
Kodaira (71.2 km SW of epicenter) [Map] / Weak shaking (MMI III) / horizontal (sideways) swinging / 5-10 s
Tokyo (62.2 km SSW of epicenter) [Map] / Very weak shaking (MMI II) / single lateral shake / 2-5 s
Masuo (38.6 km S of epicenter) [Map] / Light shaking (MMI IV) / horizontal (sideways) swinging / 5-10 s : My room shook very hard without causing any damage. (reported through our app)  
Nishihara (64.5 km SSW of epicenter) [Map] / Light shaking (MMI IV) / rattling, vibrating / 2-5 s
Tokyo, Shinagawa (66.5 km SSW of epicenter) [Map] / Light shaking (MMI IV) : Light shaking, saw TV vibrating and moving  
Tokyo airport (54.5 km SE of epicenter) [Map] / Weak shaking (MMI III) / 20-30 s : Felt it in the Tokyo airport while waiting in the terminal.  
Higashimurayama, Tokyo (69.1 km SW of epicenter) [Map] / Weak shaking (MMI III) / simple rolling (tilting sideways along one direction) / 10-15 s : Relaxing at home (reported through our app)  
Tokio / Weak shaking (MMI III) / both vertical and horizontal swinging / 5-10 s
Fuchu-shi / Light shaking (MMI IV) / 5-10 s
tokyo / Light shaking (MMI IV) / vibration and rolling / 30-60 s
Tokio / Very weak shaking (MMI II) / rattling, vibrating / 5-10 s
桐生市 / Light shaking (MMI IV) / rattling, vibrating / 15-20 s
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Aftershocks

[More info]

Recorded aftershocks, latest first (17 quakes)

Date and timeMag
Depth
LocationDetails
Jan 5, 2023 02:36
4 weeks ago
2.5

63 km
9.3 km N of Ushiku, Ibaraki, JapanMore
Jan 3, 2023 18:12
4 weeks ago
2.9

68 km
16 km W of Tsukuba, Ibaraki, JapanMore
Jan 3, 2023 16:41
4 weeks ago
2.7

49 km
4.9 km S of Tsukuba, Ibaraki, JapanMore
Jan 1, 2023 23:22
4 weeks ago
2.5

50 km
Ibaraki, 18 km N of Kasukabe, Saitama, JapanMore
Dec 30, 2022 14:38
4 weeks ago
2.6

64 km
10.1 km N of Ushiku, Ibaraki, JapanMore
Dec 30, 2022 14:10
4 weeks ago - felt
4.4

57 km
Ibaraki, 30 km NE of Saitama, JapanMore
Dec 26, 2022 18:48
5 weeks ago
2.5

53 km
10.2 km W of Tsukuba, Ibaraki, JapanMore
Dec 16, 2022 21:35
6 weeks ago
3.1

75 km
4.4 km NE of Shimodate, Chikusei-shi, Ibaraki, JapanMore
Dec 6, 2022 05:19
8 weeks ago
2.5

74 km
5.6 km NE of Shimodate, Chikusei-shi, Ibaraki, JapanMore
Dec 3, 2022 02:38
8 weeks ago
2.8

50 km
Ibaraki, 18 km NE of Kasukabe, Saitama, JapanMore
Nov 29, 2022 01:36
9 weeks ago
2.9

69 km
11 km SW of Tsukuba, Ibaraki, JapanMore
Nov 28, 2022 06:00
9 weeks ago
2.9

63 km
8.8 km N of Ushiku, Ibaraki, JapanMore
Nov 21, 2022 11:32
10 weeks ago
2.7

51 km
7.1 km W of Tsukuba, Ibaraki, JapanMore
Nov 18, 2022 12:40
10 weeks ago
2.7

95 km
6.5 km NW of Ushiku, Ibaraki, JapanMore
Nov 11, 2022 05:28
11 weeks ago
3.5

52 km
6.9 km W of Tsukuba, Ibaraki, JapanMore
Nov 9, 2022 17:47
12 weeks ago
3.5

50 km
0 km N of Tsukuba, Ibaraki, JapanMore
Nov 9, 2022 13:51
12 weeks ago
3.6

63 km
9.3 km N of Ushiku, Ibaraki, JapanMore

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