Mag. 4.6 earthquake - 37 km north of Tokyo, Japan, on Wednesday, 8 July 2020 at 21:05 (GMT) -
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Light magnitude 4.6 earthquake at 60 km depth
8 Jul 21:16 UTC: First to report: EMSC after 11 minutes.
Jul 8 21:19: Magnitude recalculated from 4.7 to 4.8.
Hypocenter depth recalculated from 50.0 to 76.0 km.
Jul 8 21:29: Magnitude recalculated from 4.8 to 4.6.
Hypocenter depth recalculated from 76.0 to 60.0 km.
Jul 8 21:19: Magnitude recalculated from 4.7 to 4.8.
Hypocenter depth recalculated from 50.0 to 76.0 km.
Jul 8 21:29: Magnitude recalculated from 4.8 to 4.6.
Hypocenter depth recalculated from 76.0 to 60.0 km.
Magnitude: 4.6
Depth: 60.0 km
Epicenter latitude / longitude: 36.02°N / 139.73°E
(Minamisaitama Gun, Saitama, Japan)Nearest volcano: Akagi (73 km / 45 mi)
Nearby towns and cities:
1 km (1 mi) SSE of Sugito (pop: 49,800) --> See nearby quakes!
4 km (3 mi) NNW of Kasukabe (pop: 206,900) --> See nearby quakes!
6 km (4 mi) S of Satte (pop: 55,300) --> See nearby quakes!
6 km (4 mi) E of Shiraoka (pop: 51,000) --> See nearby quakes!
7 km (4 mi) SE of Kukichūō (pop: 73,400) --> See nearby quakes!
9 km (6 mi) NE of Hasuda (pop: 65,200) --> See nearby quakes!
12 km (7 mi) ENE of Ageo (pop: 219,400) --> See nearby quakes!
15 km (9 mi) WNW of Noda (Chiba) (pop: 121,400) --> See nearby quakes!
15 km (10 mi) NNW of Koshigaya (pop: 317,400) --> See nearby quakes!
16 km (10 mi) E of Okegawa (pop: 75,100) --> See nearby quakes!
16 km (10 mi) SE of Kazo (pop: 71,300) --> See nearby quakes!
17 km (11 mi) NW of Yoshikawa (pop: 60,500) --> See nearby quakes!
18 km (11 mi) S of Koga (Ibaraki) (pop: 58,000) --> See nearby quakes!
20 km (12 mi) ESE of Kōnosu (pop: 88,500) --> See nearby quakes!
21 km (13 mi) NNW of Sōka (pop: 231,400) --> See nearby quakes!
24 km (15 mi) NW of Nagareyama (Chiba) (pop: 156,000) --> See nearby quakes!
24 km (15 mi) N of Kawaguchi (pop: 468,600) --> See nearby quakes!
24 km (15 mi) SE of Hanyū (pop: 58,700) --> See nearby quakes!
24 km (15 mi) NNW of Yashio (pop: 81,300) --> See nearby quakes!
25 km (15 mi) NNE of Shiki (pop: 65,400) --> See nearby quakes!
25 km (16 mi) ENE of Kawagoe (pop: 337,900) --> See nearby quakes!
26 km (16 mi) WNW of Moriya (Ibaraki) (pop: 56,600) --> See nearby quakes!
27 km (17 mi) NNE of Asaka (pop: 128,100) --> See nearby quakes!
27 km (17 mi) NNE of Wako (pop: 77,400) --> See nearby quakes!
28 km (17 mi) ESE of Gyōda (pop: 86,300) --> See nearby quakes!
28 km (18 mi) NW of Kashiwa (Chiba) (pop: 340,200) --> See nearby quakes!
31 km (19 mi) NNW of Matsudo (Chiba) (pop: 470,300) --> See nearby quakes!
31 km (19 mi) WNW of Abiko (Chiba) (pop: 131,800) --> See nearby quakes!
31 km (19 mi) SE of Tatebayashi (Gunma) (pop: 81,300) --> See nearby quakes!
31 km (20 mi) ENE of Sakado (pop: 96,700) --> See nearby quakes!
32 km (20 mi) S of Oyama (Tochigi) (pop: 159,900) --> See nearby quakes!
33 km (21 mi) ESE of Kumagaya (pop: 155,800) --> See nearby quakes!
34 km (21 mi) NE of Tokorozawa (pop: 339,400) --> See nearby quakes!
34 km (21 mi) SSW of Yūki (Ibaraki) (pop: 51,600) --> See nearby quakes!
34 km (21 mi) NE of Sayama (pop: 160,800) --> See nearby quakes!
34 km (21 mi) WNW of Toride (Ibaraki) (pop: 80,700) --> See nearby quakes!
36 km (22 mi) SSE of Sano (Tochigi) (pop: 82,500) --> See nearby quakes!
37 km (23 mi) W of Ushiku (Ibaraki) (pop: 80,000) --> See nearby quakes!
37 km (23 mi) N of Tokyo (pop: 8,336,600) --> See nearby quakes!
38 km (23 mi) NE of Higashimurayama (Tokyo) (pop: 150,600) --> See nearby quakes!
38 km (24 mi) NNE of Musashino (Tokyo) (pop: 137,500) --> See nearby quakes!
39 km (24 mi) WSW of Tsukuba (Ibaraki) (pop: 175,600) --> See nearby quakes!
39 km (24 mi) NW of Shiroi (Chiba) (pop: 55,300) --> See nearby quakes!
40 km (25 mi) S of Tochigi (pop: 82,100) --> See nearby quakes!
42 km (26 mi) ENE of Hannō (pop: 86,300) --> See nearby quakes!
42 km (26 mi) NNE of Kokubunji (Tokyo) (pop: 118,700) --> See nearby quakes!
43 km (27 mi) WNW of Ryūgasaki (Ibaraki) (pop: 85,800) --> See nearby quakes!
43 km (27 mi) SE of Ashikaga (Tochigi) (pop: 159,700) --> See nearby quakes!
43 km (27 mi) NNE of Chōfu (Tokyo) (pop: 213,000) --> See nearby quakes!
45 km (28 mi) SE of Ōta (Gunma) (pop: 152,100) --> See nearby quakes!
48 km (30 mi) NE of Fussa (Tokyo) (pop: 62,300) --> See nearby quakes!
49 km (30 mi) NE of Hino (Tokyo) (pop: 171,800) --> See nearby quakes!
51 km (32 mi) ENE of Ōme (Tokyo) (pop: 149,300) --> See nearby quakes!
52 km (32 mi) WSW of Ishioka (Ibaraki) (pop: 52,300) --> See nearby quakes!
53 km (33 mi) SSW of Mooka (Tochigi) (pop: 65,700) --> See nearby quakes!
54 km (33 mi) W of Inashiki (Ibaraki) (pop: 47,000) --> See nearby quakes!
54 km (34 mi) ESE of Honjō (pop: 61,900) --> See nearby quakes!
55 km (34 mi) NE of Hachiōji (Tokyo) (pop: 579,400) --> See nearby quakes!
55 km (34 mi) SE of Kiryū (Gunma) (pop: 110,200) --> See nearby quakes!
56 km (35 mi) N of Kawasaki (Kanagawa) (pop: 1,306,800) --> See nearby quakes!
57 km (35 mi) NW of Sakura (Chiba) (pop: 182,500) --> See nearby quakes!
57 km (35 mi) NW of Yotsukaidō (Chiba) (pop: 86,700) --> See nearby quakes!
58 km (36 mi) SE of Isesaki (Gunma) (pop: 130,700) --> See nearby quakes!
59 km (37 mi) E of Chichibu (pop: 58,500) --> See nearby quakes!
59 km (37 mi) S of Kanuma (Tochigi) (pop: 94,900) --> See nearby quakes!
59 km (37 mi) NNE of Machida (Tokyo) (pop: 400,000) --> See nearby quakes!
59 km (37 mi) WNW of Narita (Chiba) (pop: 100,600) --> See nearby quakes!
63 km (39 mi) SW of Kasama (Ibaraki) (pop: 29,500) --> See nearby quakes!
64 km (40 mi) ESE of Fujioka (Gunma) (pop: 63,400) --> See nearby quakes!
64 km (40 mi) NNW of Ichihara (Chiba) (pop: 283,500) --> See nearby quakes!
66 km (41 mi) N of Yokohama (Kanagawa) (pop: 3,574,400) --> See nearby quakes!
67 km (41 mi) NNE of Zama (Kanagawa) (pop: 134,700) --> See nearby quakes!
67 km (42 mi) NW of Yachimata (Chiba) (pop: 83,300) --> See nearby quakes!
71 km (44 mi) W of Katori-shi (Chiba) (pop: 83,200) --> See nearby quakes!
71 km (44 mi) NE of Uenohara (Yamanashi) (pop: 27,800) --> See nearby quakes!
72 km (45 mi) NNE of Atsugi (Kanagawa) (pop: 229,200) --> See nearby quakes!
73 km (45 mi) ESE of Takasaki (Gunma) (pop: 240,900) --> See nearby quakes!
73 km (45 mi) NNW of Kisarazu (Chiba) (pop: 122,500) --> See nearby quakes!
74 km (46 mi) W of Itako (Ibaraki) (pop: 25,800) --> See nearby quakes!
76 km (47 mi) N of Kimitsu (Chiba) (pop: 92,100) --> See nearby quakes!
78 km (48 mi) NW of Tōgane (Chiba) (pop: 66,300) --> See nearby quakes!
78 km (48 mi) NNE of Fujisawa (Kanagawa) (pop: 394,600) --> See nearby quakes!
79 km (49 mi) NNE of Isehara (Kanagawa) (pop: 103,400) --> See nearby quakes!
79 km (49 mi) ESE of Tomioka (Gunma) (pop: 49,300) --> See nearby quakes!
79 km (49 mi) N of Futtsu (Chiba) (pop: 51,700) --> See nearby quakes!
Primary data source: EMSC (European-Mediterranean Seismological Centre)
Estimated released energy: 5 x 1011 joules (139 megawatt hours, equivalent to 120 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 |
| M 4.6 | 60 km | Eastern Honshu, Japan | EMSC |
| M 4.9 | 70 km | Eastern Honshu, Japan | GFZ |
| M 4.6 | 46 km | 7 km NE of Kasukabe, Japan | USGS |
| M 4.8 | 67 km | Eastern Honshu, Japan | GeoAu |
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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Leave a comment if you find a particular report interesting or want to add to it.
Flag as inappropriate.
Mark as helpful or interesting.
Send your own user report!
Akasaka, Minato-ku, Tokyo (38.8 km S of epicenter) [Map] / Light shaking (MMI IV) : Woke to mild shaking (reported through our app)
Atsugi (66.8 km SSW of epicenter) [Map] / Light shaking (MMI IV) : Started with a vibration, then shaking. Appropriatly 5 seconds of shaking.
23.3 km E of epicenter [Map] / Moderate shaking (MMI V) (reported through our app)
Tokyo, Shinjuku-Ku / Light shaking (MMI IV)
Kawasaki-sh / Light shaking (MMI IV)
Nerima, Tokyo / Light shaking (MMI IV)
Takarazuka (Japan, 429 km W of epicenter) : Woke me and sustained for 10-15 seconds. (reported through EMSC)
Hachiōji (Japan, 61 km SW of epicenter) : Hachioji (reported through EMSC)
Kawasaki (Japan, 55 km S of epicenter) : Wake me up. (reported through EMSC)
Inagi (Japan, 52 km SW of epicenter) : Light shaking for about 30 seconds. (reported through EMSC)
Komae (Japan, 48 km SW of epicenter) : Long but fairly gentle shaking in Youga city. Approx 40 seconds (reported through EMSC)
Narashino (Japan, 41 km SE of epicenter) : トンっと軽く突き上げる感じが一瞬。建物が揺れる音は無かった。 (reported through EMSC)
Yachiyo (Japan, 40 km SE of epicenter) : Apartment swayong (reported through EMSC)
Tokyo (Japan, 38 km S of epicenter) : It woke me up (reported through EMSC)
Tokyo (Japan, 38 km S of epicenter) : Shaking for 15s (reported through EMSC)
Tokyo (Japan, 38 km S of epicenter) : Quite long and felt our bed move strongly enough to wake us up in Minato -Ku (reported through EMSC)
Tokyo (Japan, 38 km S of epicenter) : Long but not scary (reported through EMSC)
(Japan, 24 km SW of epicenter) : It was short and strong. By the time the EEW went off it was finished. (reported through EMSC)
Kiryū (Japan, 55 km NW of epicenter) : Sudden earthquake. Small shakes and then fairly strong shaking for about 5-10 sec (reported through EMSC)
Hachiōji (Japan, 55 km SW of epicenter) : I woke up because of it. Was harder then then everything the lastHalf year. (reported through EMSC)
Tokyo (Japan, 37 km S of epicenter) : Slight shaking for a few seconds. (reported through EMSC)
Tokyo (Japan, 37 km S of epicenter) : Smaller quicker shakes than the past earthquakes. Lasted maybe 10 seconds. Woke me up. (reported through EMSC)
Tokyo (Japan, 37 km S of epicenter) : Came without forewarning. Windows shaked and felt like 3.0 (reported through EMSC)
Tokyo (Japan, 37 km S of epicenter) : Very noticeable mild shaking for over 30 seconds (reported through EMSC)
Earlier earthquakes in the same area
Mag. 4.6 earthquake - 37 km north of Tokyo, Japan, on Wednesday, 8 July 2020 at 21:05 (GMT)Click here to search our database for earlier earthquakes in the same area since 1900!
