| Magnitude | 5.4 |
| Alert | Strong |
| Depth | 25.0 km |
| Coordinates | 37.332, 141.806 |
| UTC time | 1939-07-28 01:06:24.110 |
Earthquake details
Friday, July 28, 1939 Earthquake
The earthquake hit Japan on Friday, July 28, 1939 at 01:06 UTC with a magnitude of 5.4. The closest known location in the current dataset is Minami-Sōma (Japan - JP), about 80.2 km away. The epicenter is located at longitude 141.806 and latitude 37.332.
| Location | Iwaki |
| Country | Japan (JP) |
| Severity | Strong |
Earthquake map 1939-07-28
Closest countries
The 12 closest cities near the epicenter.
| Minami-Sōma | 80.2 km |
| Iwaki | 87.6 km |
| Sōma | 92.8 km |
| Tamura | 106.9 km |
| Kitaibaraki | 111.8 km |
| Watari | 114.9 km |
| Kakuda | 115.8 km |
| Iwanuma | 119.8 km |
| Natori-shi | 123.4 km |
| Nihommatsu | 124.5 km |
| Motomiya | 125.9 km |
| Sukagawa | 126.1 km |
Nearby earthquakes
The latest 8 earthquakes within 100 km of this epicenter.
M 4.2
Hitachi
Japan · 2026-08-07 18:41 UTC
120.7 km
M 4.4
Iwaki
Japan · 2026-07-22 11:11 UTC
19.8 km
M 4.3
Iwaki
Japan · 2026-06-18 22:33 UTC
12.6 km
M 4.3
Shirakawa
Japan · 2026-06-01 15:51 UTC
117.8 km
M 4.2
Hitachi
Japan · 2026-05-24 06:08 UTC
142.0 km
M 4.1
Mito
Japan · 2026-05-22 12:39 UTC
162.7 km
M 4.1
Iwaki
Japan · 2026-04-05 17:28 UTC
18.1 km
M 4.2
Iwaki
Japan · 2026-03-24 14:03 UTC
42.4 km
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