| 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 4.5
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 |
|
M 4.4
Kuji
Japan · 2026-04-21 16:18 UTC
|
5.2 km |
|
M 4.4
Hachinohe
Japan · 2026-04-14 13:21 UTC
|
72.4 km |
|
M 4.3
Morioka
Japan · 2026-04-11 09:10 UTC
|
67.8 km |
|
M 4.3
Miyako
Japan · 2026-04-03 08:51 UTC
|
54.4 km |
|
M 4.5
Kuji
Japan · 2026-03-30 07:46 UTC
|
64.6 km |
|
M 4.9
Hachinohe
Japan · 2026-03-26 07:37 UTC
|
76.4 km |
Stay informed
Earthquake alerts
Create targeted notifications for important seismic activity near the places you follow.