| Magnitude | 5.3 |
| Alert | Strong |
| Depth | 33.0 km |
| Coordinates | 41.691, 143.573 |
| UTC time | 1999-08-23 06:11:25.750 |
Earthquake details
Monday, August 23, 1999 Earthquake
The earthquake hit Japan on Monday, August 23, 1999 at 06:11 UTC with a magnitude of 5.3. The closest known location in the current dataset is Obihiro (Japan - JP), about 139.8 km away. The epicenter is located at longitude 143.573 and latitude 41.691.
| Location | Tomakomai |
| Country | Japan (JP) |
| Severity | Strong |
Earthquake map 1999-08-23
Nearby earthquakes
The latest 8 earthquakes within 100 km of this epicenter.
|
M 4.2
Tomakomai
Japan · 2026-01-11 11:11 UTC
|
189.6 km |
|
M 4.5
Tomakomai
Japan · 2025-11-09 04:16 UTC
|
109.0 km |
|
M 4.4
Tomakomai
Japan · 2025-11-01 16:46 UTC
|
199.6 km |
|
M 4.3
Sapporo
Japan · 2025-10-12 06:13 UTC
|
222.6 km |
|
M 4.3
Tomakomai
Japan · 2025-10-05 06:30 UTC
|
171.4 km |
|
M 4.3
Tomakomai
Japan · 2025-08-14 07:31 UTC
|
141.5 km |
|
M 4.1
Tomakomai
Japan · 2025-06-23 09:40 UTC
|
106.7 km |
|
M 4.5
Tomakomai
Japan · 2025-05-12 21:33 UTC
|
165.5 km |
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