| Magnitude | 5.3 |
| Alert | Strong |
| Depth | 37.0 km |
| Coordinates | 36.256, 141.403 |
| UTC time | 1978-05-12 22:47:32.700 |
Earthquake details
Friday, May 12, 1978 Earthquake
The earthquake hit Japan on Friday, May 12, 1978 at 22:47 UTC with a magnitude of 5.3. The closest known location in the current dataset is Kashima-shi (Japan - JP), about 75.5 km away. The epicenter is located at longitude 141.403 and latitude 36.256.
| Location | Iwaki |
| Country | Japan (JP) |
| Severity | Strong |
Earthquake map 1978-05-12
Closest countries
The 12 closest cities near the epicenter.
| Kashima-shi | 75.5 km |
| Kamisu | 77.4 km |
| Hitachi | 77.6 km |
| Hasaki | 77.6 km |
| Funaishikawa | 78.6 km |
| Katsuta | 79.3 km |
| Hitachi-Naka | 79.4 km |
| Hokota | 80.5 km |
| Inada | 81.9 km |
| Kitaibaraki | 83.1 km |
| Hitachi-ota | 85.0 km |
| Namegata | 86.1 km |
Nearby earthquakes
The latest 8 earthquakes within 100 km of this epicenter.
M 4.9
Iwaki
Japan · 2026-11-10 05:20 UTC
10.3 km
M 4.6
Iwaki
Japan · 2026-11-09 05:01 UTC
26.8 km
M 4.8
Iwaki
Japan · 2026-10-27 00:25 UTC
127.3 km
M 4.6
Minami-Sōma
Japan · 2026-09-14 10:59 UTC
150.7 km
M 4.7
Iwaki
Japan · 2026-08-15 01:10 UTC
109.0 km
M 4.2
Hitachi
Japan · 2026-08-07 18:41 UTC
82.9 km
M 4.4
Iwaki
Japan · 2026-07-22 11:11 UTC
107.5 km
M 4.3
Iwaki
Japan · 2026-06-18 22:33 UTC
123.8 km
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