| Magnitude | 5.4 |
| Alert | Strong |
| Depth | 66.0 km |
| Coordinates | 36.094, 139.743 |
| UTC time | 1977-10-04 15:38:56.600 |
Earthquake details
Tuesday, October 4, 1977 Earthquake
The earthquake hit Japan on Tuesday, October 4, 1977 at 15:38 UTC with a magnitude of 5.4. The closest known location in the current dataset is Satte (Japan - JP), about 2.8 km away. The epicenter is located at longitude 139.743 and latitude 36.094.
| Location | Saitama |
| Country | Japan (JP) |
| Severity | Strong |
Earthquake map 1977-10-04
Nearby earthquakes
The latest 8 earthquakes within 100 km of this epicenter.
M 5.3
Narita
Japan · 2026-10-01 12:27 UTC
84.8 km
M 4.9
Saitama
Japan · 2026-09-28 19:45 UTC
3.5 km
M 5.0
Kashiwa
Japan · 2026-09-16 15:07 UTC
25.3 km
M 5.8
Matsudo
Japan · 2026-08-22 17:00 UTC
34.8 km
M 4.7
Narita
Japan · 2026-07-16 00:01 UTC
82.5 km
M 4.3
Kamisu
Japan · 2026-07-02 07:17 UTC
92.3 km
M 4.2
Chiba
Japan · 2026-06-26 18:59 UTC
51.7 km
M 5.2
Sagamihara
Japan · 2026-06-26 13:29 UTC
88.1 km
Stay informed
Earthquake alerts
Create targeted notifications for important seismic activity near the places you follow.