| Magnitude | 5.1 |
| Alert | Strong |
| Depth | 62.3 km |
| Coordinates | 40.079, 142.290 |
| UTC time | 1984-09-23 23:09:07.090 |
Earthquake details
Sunday, September 23, 1984 Earthquake
The earthquake hit Japan on Sunday, September 23, 1984 at 23:09 UTC with a magnitude of 5.1. The closest known location in the current dataset is Kuji (Japan - JP), about 46.0 km away. The epicenter is located at longitude 142.290 and latitude 40.079.
| Location | Kuji |
| Country | Japan (JP) |
| Severity | Strong |
Earthquake map 1984-09-23
Nearby earthquakes
The latest 8 earthquakes within 100 km of this epicenter.
M 4.2
Kuji
Japan · 2026-05-31 10:58 UTC
36.1 km
M 4.8
Hachinohe
Japan · 2026-05-25 08:14 UTC
20.1 km
M 4.6
Kuji
Japan · 2026-05-22 16:53 UTC
25.9 km
M 4.9
Miyako
Japan · 2026-04-28 07:24 UTC
38.7 km
M 5.0
Miyako
Japan · 2026-04-26 16:57 UTC
39.0 km
M 4.7
Miyako
Japan · 2026-04-26 06:43 UTC
34.0 km
M 4.5
Hachinohe
Japan · 2026-04-22 17:46 UTC
6.9 km
M 4.5
Kuji
Japan · 2026-04-22 12:06 UTC
26.4 km
Stay informed
Earthquake alerts
Create targeted notifications for important seismic activity near the places you follow.