| Magnitude | 5.0 |
| Alert | Strong |
| Depth | 27.0 km |
| Coordinates | 35.176, 141.026 |
| UTC time | 1978-04-06 12:37:37.800 |
Earthquake details
Thursday, April 6, 1978 Earthquake
The earthquake hit Japan on Thursday, April 6, 1978 at 12:37 UTC with a magnitude of 5.0. The closest known location in the current dataset is Isumi (Japan - JP), about 56.8 km away. The epicenter is located at longitude 141.026 and latitude 35.176.
| Location | Chiba |
| Country | Japan (JP) |
| Severity | Strong |
Earthquake map 1978-04-06
Nearby earthquakes
The latest 8 earthquakes within 100 km of this epicenter.
M 5.3
Narita
Japan · 2026-10-01 12:27 UTC
72.7 km
M 4.9
Saitama
Japan · 2026-09-28 19:45 UTC
151.1 km
M 5.0
Kashiwa
Japan · 2026-09-16 15:07 UTC
133.5 km
M 4.7
Hasaki
Japan · 2026-08-29 15:17 UTC
69.8 km
M 5.8
Matsudo
Japan · 2026-08-22 17:00 UTC
120.5 km
M 4.4
Kamisu
Japan · 2026-07-17 19:45 UTC
67.8 km
M 4.7
Narita
Japan · 2026-07-16 00:01 UTC
75.1 km
M 4.3
Kamisu
Japan · 2026-07-02 07:17 UTC
70.4 km
Stay informed
Earthquake alerts
Create targeted notifications for important seismic activity near the places you follow.