| Magnitude | 5.5 |
| Alert | Strong |
| Depth | 74.0 km |
| Coordinates | 35.460, 140.080 |
| UTC time | 1980-09-24 17:59:48.700 |
Earthquake details
Wednesday, September 24, 1980 Earthquake
The earthquake hit Japan on Wednesday, September 24, 1980 at 17:59 UTC with a magnitude of 5.5. The closest known location in the current dataset is Ichihara (Japan - JP), about 6.3 km away. The epicenter is located at longitude 140.080 and latitude 35.460.
| Location | Chiba |
| Country | Japan (JP) |
| Severity | Strong |
Earthquake map 1980-09-24
Nearby earthquakes
The latest 8 earthquakes within 100 km of this epicenter.
M 4.7
Narita
Japan · 2026-07-16 00:01 UTC
50.3 km
M 4.3
Kamisu
Japan · 2026-07-02 07:17 UTC
61.7 km
M 4.2
Chiba
Japan · 2026-06-26 18:59 UTC
27.1 km
M 4.3
Sakura
Japan · 2026-06-26 04:31 UTC
46.5 km
M 4.5
Asahi
Japan · 2026-06-26 04:00 UTC
72.6 km
M 5.8
Kamisu
Japan · 2026-06-26 03:46 UTC
51.8 km
M 4.3
Saitama
Japan · 2026-06-26 02:48 UTC
58.4 km
M 4.2
Isumi
Japan · 2026-06-18 18:43 UTC
53.8 km
Stay informed
Earthquake alerts
Create targeted notifications for important seismic activity near the places you follow.