| Magnitude | 5.5 |
| Alert | Strong |
| Depth | 67.1 km |
| Coordinates | 41.825, 142.513 |
| UTC time | 1983-10-23 04:44:44.250 |
Earthquake details
Sunday, October 23, 1983 Earthquake
The earthquake hit Japan on Sunday, October 23, 1983 at 04:44 UTC with a magnitude of 5.5. The closest known location in the current dataset is Tomakomai (Japan - JP), about 117.4 km away. The epicenter is located at longitude 142.513 and latitude 41.825.
| Location | Sapporo |
| Country | Japan (JP) |
| Severity | Strong |
Earthquake map 1983-10-23
Nearby earthquakes
The latest 8 earthquakes within 100 km of this epicenter.
|
M 4.2
Tomakomai
Japan · 2026-01-11 11:11 UTC
|
120.4 km |
|
M 4.4
Tomakomai
Japan · 2025-11-01 16:46 UTC
|
124.3 km |
|
M 4.3
Sapporo
Japan · 2025-10-12 06:13 UTC
|
142.5 km |
|
M 4.3
Tomakomai
Japan · 2025-10-05 06:30 UTC
|
98.0 km |
|
M 4.5
Tomakomai
Japan · 2025-05-12 21:33 UTC
|
96.9 km |
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