| Magnitude | 5.2 |
| Alert | Strong |
| Depth | 40.0 km |
| Coordinates | 34.171, 141.425 |
| UTC time | 1978-05-17 08:52:24.300 |
Earthquake details
Wednesday, May 17, 1978 Earthquake
The earthquake hit Japan on Wednesday, May 17, 1978 at 08:52 UTC with a magnitude of 5.2. The closest known location in the current dataset is Isumi (Japan - JP), about 150.4 km away. The epicenter is located at longitude 141.425 and latitude 34.171.
| Location | Chiba |
| Country | Japan (JP) |
| Severity | Strong |
Earthquake map 1978-05-17
Closest countries
The 12 closest cities near the epicenter.
| Isumi | 150.4 km |
| Kamogawa | 159.2 km |
| Minamibōsō | 167.4 km |
| Tateyama | 169.0 km |
| Mobara | 173.7 km |
| Ōamishirasato | 178.5 km |
| Ōami | 180.8 km |
| Tōgane | 181.4 km |
| Hasaki | 182.1 km |
| Asahi | 186.0 km |
| Sanmu | 186.4 km |
| Yōkaichiba | 188.0 km |
Nearby earthquakes
The latest 8 earthquakes within 100 km of this epicenter.
|
M 4.0
Tokyo
Japan · 2026-04-05 23:17 UTC
|
226.3 km |
|
M 4.9
Kashiwa
Japan · 2026-04-01 01:06 UTC
|
251.3 km |
|
M 4.1
Fujisawa
Japan · 2026-03-28 10:36 UTC
|
210.5 km |
|
M 4.4
Isumi
Japan · 2026-02-19 08:24 UTC
|
148.7 km |
|
M 4.1
Ōta
Japan · 2026-02-15 02:52 UTC
|
290.5 km |
|
M 4.3
Ōta
Japan · 2026-02-09 12:27 UTC
|
287.1 km |
|
M 4.2
Saitama
Japan · 2026-02-06 15:58 UTC
|
256.7 km |
|
M 4.5
Sakura
Japan · 2026-02-05 00:19 UTC
|
180.8 km |
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