| Magnitude | 5.5 |
| Alert | Strong |
| Depth | 25.0 km |
| Coordinates | 37.284, 141.755 |
| UTC time | 1939-07-28 05:21:18.030 |
Earthquake details
Friday, July 28, 1939 Earthquake
The earthquake hit Japan on Friday, July 28, 1939 at 05:21 UTC with a magnitude of 5.5. The closest known location in the current dataset is Minami-Sōma (Japan - JP), about 78.6 km away. The epicenter is located at longitude 141.755 and latitude 37.284.
| Location | Iwaki |
| Country | Japan (JP) |
| Severity | Strong |
Earthquake map 1939-07-28
Closest countries
The 12 closest cities near the epicenter.
| Minami-Sōma | 78.6 km |
| Iwaki | 81.6 km |
| Sōma | 92.3 km |
| Tamura | 103.2 km |
| Kitaibaraki | 105.1 km |
| Watari | 115.5 km |
| Kakuda | 115.8 km |
| Iwanuma | 120.7 km |
| Nihommatsu | 121.5 km |
| Sukagawa | 121.5 km |
| Kōriyama | 122.1 km |
| Motomiya | 122.5 km |
Nearby earthquakes
The latest 8 earthquakes within 100 km of this epicenter.
|
M 4.3
Kōriyama
Japan · 2026-05-05 19:35 UTC
|
110.5 km |
|
M 4.1
Iwaki
Japan · 2026-04-05 17:28 UTC
|
23.5 km |
|
M 4.2
Iwaki
Japan · 2026-03-24 14:03 UTC
|
36.8 km |
|
M 4.5
Minami-Sōma
Japan · 2026-03-10 06:28 UTC
|
69.3 km |
|
M 4.3
Iwaki
Japan · 2026-02-15 08:28 UTC
|
14.7 km |
|
M 4.6
Iwaki
Japan · 2026-02-03 09:03 UTC
|
91.8 km |
|
M 4.3
Mito
Japan · 2026-01-30 18:47 UTC
|
140.9 km |
|
M 4.0
Hitachiomiya
Japan · 2026-01-23 21:20 UTC
|
142.6 km |
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