| Magnitude | 5.6 |
| Alert | Strong |
| Depth | 44.0 km |
| Coordinates | 35.205, 140.955 |
| UTC time | 1981-09-03 19:39:25.110 |
Earthquake details
Thursday, September 3, 1981 Earthquake
The earthquake hit Japan on Thursday, September 3, 1981 at 19:39 UTC with a magnitude of 5.6. The closest known location in the current dataset is Isumi (Japan - JP), about 50.1 km away. The epicenter is located at longitude 140.955 and latitude 35.205.
| Location | Chiba |
| Country | Japan (JP) |
| Severity | Strong |
Earthquake map 1981-09-03
Nearby earthquakes
The latest 8 earthquakes within 100 km of this epicenter.
M 4.4
Kamisu
Japan · 2026-07-17 19:45 UTC
65.9 km
M 4.7
Narita
Japan · 2026-07-16 00:01 UTC
68.8 km
M 4.3
Kamisu
Japan · 2026-07-02 07:17 UTC
64.8 km
M 4.4
Tateyama
Japan · 2026-06-30 15:02 UTC
97.0 km
M 4.2
Chiba
Japan · 2026-06-26 18:59 UTC
98.7 km
M 4.3
Sakura
Japan · 2026-06-26 04:31 UTC
76.6 km
M 4.5
Asahi
Japan · 2026-06-26 04:00 UTC
48.2 km
M 5.8
Kamisu
Japan · 2026-06-26 03:46 UTC
63.9 km
Stay informed
Earthquake alerts
Create targeted notifications for important seismic activity near the places you follow.