| Magnitude | 5.5 |
| Alert | Strong |
| Depth | 40.0 km |
| Coordinates | 37.319, 141.784 |
| UTC time | 1978-05-10 15:36:25.800 |
Earthquake details
Wednesday, May 10, 1978 Earthquake
The earthquake hit Japan on Wednesday, May 10, 1978 at 15:36 UTC with a magnitude of 5.5. The closest known location in the current dataset is Minami-Sōma (Japan - JP), about 79.1 km away. The epicenter is located at longitude 141.784 and latitude 37.319.
| Location | Iwaki |
| Country | Japan (JP) |
| Severity | Strong |
Earthquake map 1978-05-10
Closest countries
The 12 closest cities near the epicenter.
| Minami-Sōma | 79.1 km |
| Iwaki | 85.3 km |
| Sōma | 92.0 km |
| Tamura | 105.2 km |
| Kitaibaraki | 109.4 km |
| Watari | 114.5 km |
| Kakuda | 115.2 km |
| Iwanuma | 119.5 km |
| Nihommatsu | 122.9 km |
| Natori-shi | 123.2 km |
| Sukagawa | 124.1 km |
| Motomiya | 124.2 km |
Nearby earthquakes
The latest 8 earthquakes within 100 km of this epicenter.
M 4.2
Hitachi
Japan · 2026-08-07 18:41 UTC
118.3 km
M 4.4
Iwaki
Japan · 2026-07-22 11:11 UTC
17.4 km
M 4.3
Iwaki
Japan · 2026-06-18 22:33 UTC
13.9 km
M 4.3
Shirakawa
Japan · 2026-06-01 15:51 UTC
115.5 km
M 4.2
Hitachi
Japan · 2026-05-24 06:08 UTC
139.5 km
M 4.1
Mito
Japan · 2026-05-22 12:39 UTC
160.3 km
M 4.1
Iwaki
Japan · 2026-04-05 17:28 UTC
19.4 km
M 4.2
Iwaki
Japan · 2026-03-24 14:03 UTC
40.1 km
Stay informed
Earthquake alerts
Create targeted notifications for important seismic activity near the places you follow.