| Magnitude | 5.3 |
| Alert | Strong |
| Depth | 59.7 km |
| Coordinates | 35.662, 140.612 |
| UTC time | 1983-12-30 04:59:17.260 |
Earthquake details
Friday, December 30, 1983 Earthquake
The earthquake hit Japan on Friday, December 30, 1983 at 04:59 UTC with a magnitude of 5.3. The closest known location in the current dataset is Asahi (Japan - JP), about 7.0 km away. The epicenter is located at longitude 140.612 and latitude 35.662.
| Location | Asahi |
| Country | Japan (JP) |
| Severity | Strong |
Earthquake map 1983-12-30
Closest countries
The 12 closest cities near the epicenter.
| Asahi | 7.0 km |
| Yōkaichiba | 7.0 km |
| Sōsa | 8.0 km |
| Sanmu | 18.0 km |
| Hasaki | 21.5 km |
| Ryōgoku | 23.0 km |
| Tōgane | 25.5 km |
| Kamisu | 26.6 km |
| Sawara | 26.6 km |
| Yachimata | 26.7 km |
| Katori-shi | 28.1 km |
| Ōamishirasato | 28.8 km |
Nearby earthquakes
The latest 8 earthquakes within 100 km of this epicenter.
M 5.3
Narita
Japan · 2026-10-01 12:27 UTC
7.1 km
M 4.9
Saitama
Japan · 2026-09-28 19:45 UTC
88.4 km
M 5.0
Kashiwa
Japan · 2026-09-16 15:07 UTC
69.0 km
M 4.7
Hasaki
Japan · 2026-08-29 15:17 UTC
37.8 km
M 5.8
Matsudo
Japan · 2026-08-22 17:00 UTC
57.1 km
M 4.4
Kamisu
Japan · 2026-07-17 19:45 UTC
49.0 km
M 4.7
Narita
Japan · 2026-07-16 00:01 UTC
9.5 km
M 4.3
Kamisu
Japan · 2026-07-02 07:17 UTC
10.0 km
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