| Magnitude | 5.0 |
| Alert | Strong |
| Depth | 27.0 km |
| Coordinates | 35.176, 141.026 |
| UTC time | 1978-04-06 12:37:37.800 |
Earthquake details
Thursday, April 6, 1978 Earthquake
The earthquake hit Japan on Thursday, April 6, 1978 at 12:37 UTC with a magnitude of 5.0. The closest known location in the current dataset is Isumi (Japan - JP), about 56.8 km away. The epicenter is located at longitude 141.026 and latitude 35.176.
| Location | Chiba |
| Country | Japan (JP) |
| Severity | Strong |
Earthquake map 1978-04-06
Nearby earthquakes
The latest 8 earthquakes within 100 km of this epicenter.
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M 4.0
Tokyo
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137.2 km |
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M 4.9
Kashiwa
Japan · 2026-04-01 01:06 UTC
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M 4.1
Fujisawa
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M 4.4
Isumi
Japan · 2026-02-19 08:24 UTC
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73.7 km |
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M 4.1
Ōta
Japan · 2026-02-15 02:52 UTC
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182.3 km |
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M 4.3
Ōta
Japan · 2026-02-09 12:27 UTC
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181.3 km |
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M 4.2
Saitama
Japan · 2026-02-06 15:58 UTC
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152.0 km |
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M 4.5
Sakura
Japan · 2026-02-05 00:19 UTC
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70.7 km |
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