| Magnitude | 5.1 |
| Alert | Strong |
| Depth | 33.0 km |
| Coordinates | 23.795, 121.425 |
| UTC time | 1999-09-21 22:17:03.810 |
Earthquake details
Tuesday, September 21, 1999 Earthquake
The earthquake hit Taiwan on Tuesday, September 21, 1999 at 22:17 UTC with a magnitude of 5.1. The closest known location in the current dataset is Hualien City (Taiwan - TW), about 27.3 km away. The epicenter is located at longitude 121.425 and latitude 23.795.
| Location | Hualien City |
| Country | Taiwan (TW) |
| Severity | Strong |
Earthquake map 1999-09-21
Closest countries
The 12 closest cities near the epicenter.
| Hualien City | 27.3 km |
| Puli | 50.1 km |
| Zhushan | 75.8 km |
| Caotun | 77.7 km |
| Nantou City | 78.6 km |
| Wufeng District | 79.8 km |
| Taichung | 85.0 km |
| Tianzhong | 85.8 km |
| Shetou | 86.0 km |
| Yuanlin | 88.3 km |
| Douliu | 90.3 km |
| Yongjing | 90.6 km |
Nearby earthquakes
The latest 8 earthquakes within 100 km of this epicenter.
|
M 4.1
Yilan
Taiwan · 2026-04-25 07:16 UTC
|
119.2 km |
|
M 4.4
Hualien City
Taiwan · 2026-04-04 21:23 UTC
|
34.6 km |
|
M 5.2
Hualien City
Taiwan · 2026-04-04 17:14 UTC
|
32.0 km |
|
M 4.4
Hualien City
Taiwan · 2026-03-27 02:28 UTC
|
114.0 km |
|
M 4.0
Hualien City
Taiwan · 2026-03-26 04:23 UTC
|
67.6 km |
|
M 4.9
Hualien City
Taiwan · 2026-03-20 13:32 UTC
|
23.5 km |
|
M 4.4
Taichung
Taiwan · 2026-03-20 02:18 UTC
|
25.6 km |
|
M 4.3
Hualien City
Taiwan · 2026-03-18 10:18 UTC
|
102.9 km |
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