| Magnitude | 5.2 |
| Alert | Strong |
| Depth | 55.0 km |
| Coordinates | 40.796, 142.437 |
| UTC time | 1978-05-21 12:08:45.900 |
Earthquake details
Sunday, May 21, 1978 Earthquake
The earthquake hit Japan on Sunday, May 21, 1978 at 12:08 UTC with a magnitude of 5.2. The closest known location in the current dataset is Hachinohe (Japan - JP), about 85.7 km away. The epicenter is located at longitude 142.437 and latitude 40.796.
| Location | Hachinohe |
| Country | Japan (JP) |
| Severity | Strong |
Earthquake map 1978-05-21
Nearby earthquakes
The latest 8 earthquakes within 100 km of this epicenter.
M 4.7
Hachinohe
Japan · 2026-06-25 16:11 UTC
53.2 km
M 4.3
Hachinohe
Japan · 2026-06-25 00:33 UTC
37.5 km
M 6.9
Kuji
Japan · 2026-06-24 22:30 UTC
56.3 km
M 4.7
Kuji
Japan · 2026-06-06 18:52 UTC
58.1 km
M 4.2
Kuji
Japan · 2026-05-31 10:58 UTC
53.7 km
M 4.8
Hachinohe
Japan · 2026-05-25 08:14 UTC
61.5 km
M 4.6
Kuji
Japan · 2026-05-22 16:53 UTC
57.6 km
M 4.3
Hachinohe
Japan · 2026-05-11 02:27 UTC
40.2 km
Stay informed
Earthquake alerts
Create targeted notifications for important seismic activity near the places you follow.