| Magnitude | 5.0 |
| Alert | Strong |
| Depth | 20.0 km |
| Coordinates | 34.878, 140.946 |
| UTC time | 1973-01-20 16:29:59.100 |
Earthquake details
Saturday, January 20, 1973 Earthquake
The earthquake hit Japan on Saturday, January 20, 1973 at 16:29 UTC with a magnitude of 5.0. The closest known location in the current dataset is Isumi (Japan - JP), about 63.0 km away. The epicenter is located at longitude 140.946 and latitude 34.878.
| Location | Mobara |
| Country | Japan (JP) |
| Severity | Strong |
Earthquake map 1973-01-20
Closest countries
The 12 closest cities near the epicenter.
| Isumi | 63.0 km |
| Kamogawa | 80.9 km |
| Mobara | 85.0 km |
| Ōamishirasato | 88.8 km |
| Ōami | 91.3 km |
| Tōgane | 91.5 km |
| Minamibōsō | 94.6 km |
| Hasaki | 95.8 km |
| Sanmu | 96.3 km |
| Asahi | 97.2 km |
| Yōkaichiba | 98.3 km |
| Tateyama | 99.2 km |
Nearby earthquakes
The latest 8 earthquakes within 100 km of this epicenter.
M 4.5
Chiba
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M 4.3
Kamisu
Japan · 2026-07-02 07:17 UTC
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M 4.4
Tateyama
Japan · 2026-06-30 15:02 UTC
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M 4.5
Asahi
Japan · 2026-06-26 04:00 UTC
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M 5.8
Kamisu
Japan · 2026-06-26 03:46 UTC
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M 4.2
Isumi
Japan · 2026-06-18 18:43 UTC
48.1 km
M 4.3
Isumi
Japan · 2026-05-23 06:20 UTC
57.6 km
M 4.4
Tateyama
Japan · 2026-03-22 08:56 UTC
91.0 km
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