| 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 4.2
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
M 4.3
Shirakawa
Japan · 2026-06-01 15:51 UTC
120.5 km
M 4.2
Hitachi
Japan · 2026-05-24 06:08 UTC
94.7 km
M 4.1
Mito
Japan · 2026-05-22 12:39 UTC
95.0 km
M 4.1
Iwaki
Japan · 2026-04-05 17:28 UTC
141.8 km
M 4.2
Iwaki
Japan · 2026-03-24 14:03 UTC
108.0 km
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