| Magnitude | 5.7 |
| Alert | Strong |
| Depth | 34.0 km |
| Coordinates | 37.211, 142.126 |
| UTC time | 1973-08-23 23:50:32.400 |
Earthquake details
Thursday, August 23, 1973 Earthquake
The earthquake hit Japan on Thursday, August 23, 1973 at 23:50 UTC with a magnitude of 5.7. The closest known location in the current dataset is Minami-Sōma (Japan - JP), about 111.6 km away. The epicenter is located at longitude 142.126 and latitude 37.211.
| Location | Iwaki |
| Country | Japan (JP) |
| Severity | Strong |
Earthquake map 1973-08-23
Closest countries
The 12 closest cities near the epicenter.
| Minami-Sōma | 111.6 km |
| Iwaki | 111.7 km |
| Sōma | 123.9 km |
| Kitaibaraki | 131.2 km |
| Tamura | 137.0 km |
| Watari | 145.1 km |
| Kakuda | 146.6 km |
| Hitachi | 147.9 km |
| Iwanuma | 149.5 km |
| Ishinomaki | 152.6 km |
| Natori-shi | 152.6 km |
| Sukagawa | 154.6 km |
Nearby earthquakes
The latest 8 earthquakes within 100 km of this epicenter.
|
M 4.7
Minami-Sōma
Japan · 2026-05-07 23:31 UTC
|
75.6 km |
|
M 4.3
Kōriyama
Japan · 2026-05-05 19:35 UTC
|
144.3 km |
|
M 4.1
Iwaki
Japan · 2026-04-05 17:28 UTC
|
43.5 km |
|
M 4.2
Iwaki
Japan · 2026-03-24 14:03 UTC
|
69.1 km |
|
M 4.5
Minami-Sōma
Japan · 2026-03-10 06:28 UTC
|
103.1 km |
|
M 4.3
Iwaki
Japan · 2026-02-15 08:28 UTC
|
26.7 km |
|
M 4.6
Iwaki
Japan · 2026-02-03 09:03 UTC
|
112.6 km |
|
M 4.3
Mito
Japan · 2026-01-30 18:47 UTC
|
160.0 km |
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