| Magnitude | 5.1 |
| Alert | Strong |
| Depth | 41.0 km |
| Coordinates | 33.139, 142.274 |
| UTC time | 1989-12-17 05:30:26.720 |
Earthquake details
Sunday, December 17, 1989 Earthquake
The earthquake hit Japan on Sunday, December 17, 1989 at 05:30 UTC with a magnitude of 5.1. The closest known location in the current dataset is Isumi (Japan - JP), about 289.5 km away. The epicenter is located at longitude 142.274 and latitude 33.139.
| Location | Chiba |
| Country | Japan (JP) |
| Severity | Strong |
Earthquake map 1989-12-17
Closest countries
The 12 closest cities near the epicenter.
| Isumi | 289.5 km |
| Kamogawa | 296.0 km |
| Minamibōsō | 302.0 km |
| Tateyama | 302.4 km |
| Mobara | 312.9 km |
| Hasaki | 317.6 km |
| Ōamishirasato | 317.7 km |
| Ōami | 320.0 km |
| Tōgane | 320.6 km |
| Asahi | 323.4 km |
| Sanmu | 325.3 km |
| Yōkaichiba | 326.1 km |
Nearby earthquakes
The latest 8 earthquakes within 100 km of this epicenter.
M 5.8
Matsudo
Japan · 2026-08-22 17:00 UTC
370.5 km
M 4.4
Kamisu
Japan · 2026-07-17 19:45 UTC
311.6 km
M 4.7
Narita
Japan · 2026-07-16 00:01 UTC
328.4 km
M 4.3
Kamisu
Japan · 2026-07-02 07:17 UTC
324.4 km
M 4.2
Chiba
Japan · 2026-06-26 18:59 UTC
350.3 km
M 4.3
Sakura
Japan · 2026-06-26 04:31 UTC
335.7 km
M 4.5
Asahi
Japan · 2026-06-26 04:00 UTC
306.1 km
M 5.8
Kamisu
Japan · 2026-06-26 03:46 UTC
323.6 km
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