| Magnitude | 5.3 |
| Alert | Strong |
| Depth | 60.2 km |
| Coordinates | 35.642, 140.675 |
| UTC time | 1983-12-30 02:30:41.270 |
Earthquake details
Friday, December 30, 1983 Earthquake
The earthquake hit Japan on Friday, December 30, 1983 at 02:30 UTC with a magnitude of 5.3. The closest known location in the current dataset is Asahi (Japan - JP), about 8.6 km away. The epicenter is located at longitude 140.675 and latitude 35.642.
| Location | Asahi |
| Country | Japan (JP) |
| Severity | Strong |
Earthquake map 1983-12-30
Closest countries
The 12 closest cities near the epicenter.
| Asahi | 8.6 km |
| Yōkaichiba | 13.0 km |
| Sōsa | 13.7 km |
| Hasaki | 17.6 km |
| Sanmu | 23.3 km |
| Kamisu | 28.4 km |
| Ryōgoku | 29.1 km |
| Tōgane | 29.7 km |
| Sawara | 31.2 km |
| Yachimata | 32.4 km |
| Katori-shi | 32.6 km |
| Ōamishirasato | 32.6 km |
Nearby earthquakes
The latest 8 earthquakes within 100 km of this epicenter.
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M 4.9
Kamisu
Japan · 2026-05-01 13:00 UTC
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92.2 km |
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M 4.0
Tokyo
Japan · 2026-04-05 23:17 UTC
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100.1 km |
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M 4.9
Kashiwa
Japan · 2026-04-01 01:06 UTC
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84.5 km |
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M 4.4
Kamisu
Japan · 2026-02-26 11:55 UTC
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64.7 km |
|
M 4.4
Isumi
Japan · 2026-02-19 08:24 UTC
|
75.2 km |
|
M 4.2
Saitama
Japan · 2026-02-06 15:58 UTC
|
98.6 km |
|
M 4.5
Sakura
Japan · 2026-02-05 00:19 UTC
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25.2 km |
|
M 4.1
Hasaki
Japan · 2026-02-03 18:36 UTC
|
38.0 km |
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