| Magnitude | 5.2 |
| Alert | Strong |
| Depth | 70.8 km |
| Coordinates | 36.181, 139.897 |
| UTC time | 1983-10-28 01:50:32.420 |
Earthquake details
Friday, October 28, 1983 Earthquake
The earthquake hit Japan on Friday, October 28, 1983 at 01:50 UTC with a magnitude of 5.2. The closest known location in the current dataset is Shimo-tsuma (Japan - JP), about 6.3 km away. The epicenter is located at longitude 139.897 and latitude 36.181.
| Location | Tsukuba |
| Country | Japan (JP) |
| Severity | Strong |
Earthquake map 1983-10-28
Nearby earthquakes
The latest 8 earthquakes within 100 km of this epicenter.
|
M 4.0
Tokyo
Japan · 2026-04-05 23:17 UTC
|
78.1 km |
|
M 4.9
Kashiwa
Japan · 2026-04-01 01:06 UTC
|
15.3 km |
|
M 4.9
Maebashi
Japan · 2026-03-15 05:06 UTC
|
57.0 km |
|
M 4.1
Ōta
Japan · 2026-02-15 02:52 UTC
|
34.9 km |
|
M 4.3
Ōta
Japan · 2026-02-09 12:27 UTC
|
39.9 km |
|
M 4.2
Saitama
Japan · 2026-02-06 15:58 UTC
|
31.6 km |
|
M 4.5
Sakura
Japan · 2026-02-05 00:19 UTC
|
82.4 km |
|
M 4.1
Hasaki
Japan · 2026-02-03 18:36 UTC
|
113.8 km |
Stay informed
Earthquake alerts
Create targeted notifications for important seismic activity near the places you follow.