| Magnitude | 5.5 |
| Alert | Strong |
| Depth | 42.0 km |
| Coordinates | 35.241, 141.115 |
| UTC time | 1977-08-21 05:19:34.200 |
Earthquake details
Sunday, August 21, 1977 Earthquake
The earthquake hit Japan on Sunday, August 21, 1977 at 05:19 UTC with a magnitude of 5.5. The closest known location in the current dataset is Hasaki (Japan - JP), about 60.5 km away. The epicenter is located at longitude 141.115 and latitude 35.241.
| Location | Chiba |
| Country | Japan (JP) |
| Severity | Strong |
Earthquake map 1977-08-21
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