| Magnitude | 5.0 |
| Alert | Strong |
| Depth | 18.0 km |
| Coordinates | 33.700, 142.132 |
| UTC time | 1975-10-04 20:14:54.000 |
Earthquake details
Saturday, October 4, 1975 Earthquake
The earthquake hit Japan on Saturday, October 4, 1975 at 20:14 UTC with a magnitude of 5.0. The closest known location in the current dataset is Isumi (Japan - JP), about 232.7 km away. The epicenter is located at longitude 142.132 and latitude 33.700.
| Location | Chiba |
| Country | Japan (JP) |
| Severity | Strong |
Earthquake map 1975-10-04
Closest countries
The 12 closest cities near the epicenter.
| Isumi | 232.7 km |
| Kamogawa | 242.9 km |
| Minamibōsō | 251.1 km |
| Tateyama | 252.5 km |
| Mobara | 255.4 km |
| Hasaki | 255.6 km |
| Ōamishirasato | 259.3 km |
| Ōami | 261.8 km |
| Tōgane | 261.8 km |
| Asahi | 262.3 km |
| Yōkaichiba | 265.6 km |
| Sanmu | 265.8 km |
Nearby earthquakes
The latest 8 earthquakes within 100 km of this epicenter.
|
M 4.0
Tokyo
Japan · 2026-04-05 23:17 UTC
|
309.8 km |
|
M 4.9
Kashiwa
Japan · 2026-04-01 01:06 UTC
|
331.9 km |
|
M 4.1
Fujisawa
Japan · 2026-03-28 10:36 UTC
|
293.0 km |
|
M 4.4
Isumi
Japan · 2026-02-19 08:24 UTC
|
232.2 km |
|
M 4.1
Ōta
Japan · 2026-02-15 02:52 UTC
|
371.7 km |
|
M 4.3
Ōta
Japan · 2026-02-09 12:27 UTC
|
369.0 km |
|
M 4.2
Saitama
Japan · 2026-02-06 15:58 UTC
|
338.7 km |
|
M 4.5
Sakura
Japan · 2026-02-05 00:19 UTC
|
260.6 km |
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