| Magnitude | 5.0 |
| Alert | Strong |
| Depth | 58.1 km |
| Coordinates | 34.631, 141.370 |
| UTC time | 1983-10-06 10:10:35.410 |
Earthquake details
Thursday, October 6, 1983 Earthquake
The earthquake hit Japan on Thursday, October 6, 1983 at 10:10 UTC with a magnitude of 5.0. The closest known location in the current dataset is Isumi (Japan - JP), about 110.5 km away. The epicenter is located at longitude 141.370 and latitude 34.631.
| Location | Chiba |
| Country | Japan (JP) |
| Severity | Strong |
Earthquake map 1983-10-06
Closest countries
The 12 closest cities near the epicenter.
| Isumi | 110.5 km |
| Kamogawa | 127.0 km |
| Mobara | 132.0 km |
| Hasaki | 132.1 km |
| Ōamishirasato | 134.9 km |
| Tōgane | 137.2 km |
| Asahi | 137.5 km |
| Ōami | 137.6 km |
| Minamibōsō | 139.2 km |
| Yōkaichiba | 140.5 km |
| Sanmu | 140.8 km |
| Sōsa | 141.8 km |
Nearby earthquakes
The latest 8 earthquakes within 100 km of this epicenter.
M 5.8
Matsudo
Japan · 2026-08-22 17:00 UTC
186.7 km
M 4.4
Kamisu
Japan · 2026-07-17 19:45 UTC
129.5 km
M 4.7
Narita
Japan · 2026-07-16 00:01 UTC
142.9 km
M 4.3
Kamisu
Japan · 2026-07-02 07:17 UTC
138.7 km
M 4.2
Chiba
Japan · 2026-06-26 18:59 UTC
168.9 km
M 4.3
Sakura
Japan · 2026-06-26 04:31 UTC
150.6 km
M 4.5
Asahi
Japan · 2026-06-26 04:00 UTC
120.6 km
M 5.8
Kamisu
Japan · 2026-06-26 03:46 UTC
138.1 km
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