Taiwan earthquakes

M4.0 earthquake Taiwan

A magnitude 4.0 earthquake struck in Taiwan on Tue, Sep 21, 1999, 10:40 PM GMT+8 (14:40 UTC), 33 km (21 mi) below the surface.

A larger quake followed: M6.5 31 km SE of Puli, Taiwan. This one was a foreshock.

Xiulin forecastMore in Taiwan

Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
4.0 (mb), light
Local time
UTC
1999-09-21 14:40:08 UTC
Depth
33.0 km (20.5 mi), shallow
Epicenter
24.078° N, 121.509° E
Region
Taiwan
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

No one has reported feeling this quake to the USGS.

How well it is located

Reviewed by a seismologist.

Depth from
OPERATOR_ASSIGNED

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Nearby

Within 100 km, magnitude 1.5 and up: 108 in the 60 days after this one and 58 in the 30 days before it.

After

  1. 4.639 km SE of Lugu, Taiwan · 9870 days ago · 33 km deep · 76 km away
  2. 4.334 km WSW of Hualien City, Taiwan · 9870 days ago · 33 km deep · 35 km away
  3. 4.227 km NNE of Taichung, Taiwan · 9870 days ago · 33 km deep · 77 km away
  4. 5.234 km WSW of Hualien City, Taiwan · 9870 days ago · 14 km deep · 35 km away
  5. 5.221 km ENE of Puli, Taiwan · 9870 days ago · 33 km deep · 36 km away
  6. 4.510 km ENE of Lugu, Taiwan · 9870 days ago · 33 km deep · 75 km away
  7. 4.323 km S of Lugu, Taiwan · 9870 days ago · 33 km deep · 100 km away
  8. 5.127 km SW of Hualien City, Taiwan · 9870 days ago · 33 km deep · 33 km away
  9. 6.433 km SE of Puli, Taiwan · 9870 days ago · 26 km deep · 52 km away
  10. 4.650 km ESE of Lugu, Taiwan · 9870 days ago · 33 km deep · 65 km away
  11. 4.415 km E of Puli, Taiwan · 9870 days ago · 33 km deep · 43 km away
  12. 5.839 km SSE of Puli, Taiwan · 9870 days ago · 33 km deep · 62 km away
  13. 4.239 km SSE of Puli, Taiwan · 9870 days ago · 33 km deep · 60 km away
  14. 4.927 km SSW of Hualien City, Taiwan · 9870 days ago · 33 km deep · 36 km away
  15. 4.421 km S of Lugu, Taiwan · 9870 days ago · 33 km deep · 94 km away
  16. 4.636 km SSE of Puli, Taiwan · 9870 days ago · 33 km deep · 57 km away
  17. 4.067 km ESE of Hualien City, Taiwan · 9869 days ago · 33 km deep · 81 km away
  18. 3.811 km SE of Hualien City, Taiwan · 9869 days ago · 33 km deep · 26 km away
  19. 5.340 km ESE of Lugu, Taiwan · 9869 days ago · 33 km deep · 67 km away
  20. 4.519 km SSE of Lugu, Taiwan · 9869 days ago · 33 km deep · 88 km away
  21. 4.221 km NE of Hualien City, Taiwan · 9869 days ago · 33 km deep · 25 km away
  22. 4.022 km ENE of Puli, Taiwan · 9869 days ago · 33 km deep · 35 km away
  23. 4.55 km SSW of Hualien City, Taiwan · 9869 days ago · 33 km deep · 18 km away
  24. 4.426 km SSW of Hualien City, Taiwan · 9869 days ago · 33 km deep · 34 km away
  25. 4.836 km NE of Puli, Taiwan · 9869 days ago · 20 km deep · 34 km away
  26. 4.52 km E of Puli, Taiwan · 9869 days ago · 21 km deep · 54 km away
  27. 5.334 km ESE of Puli, Taiwan · 9868 days ago · 33 km deep · 39 km away
  28. 4.625 km SE of Puli, Taiwan · 9868 days ago · 33 km deep · 43 km away
  29. 4.550 km NW of Hualien City, Taiwan · 9868 days ago · 33 km deep · 35 km away
  30. 4.114 km SSE of Lugu, Taiwan · 9868 days ago · 3 km deep · 88 km away
  31. 5.022 km W of Hualien City, Taiwan · 9868 days ago · 16 km deep · 17 km away
  32. 4.516 km S of Hualien City, Taiwan · 9868 days ago · 33 km deep · 29 km away
  33. 4.237 km NNE of Puli, Taiwan · 9868 days ago · 33 km deep · 51 km away
  34. 3.623 km ENE of Puli, Taiwan · 9867 days ago · 33 km deep · 35 km away
  35. 3.75 km NNW of Lugu, Taiwan · 9867 days ago · 33 km deep · 86 km away
  36. 4.338 km ESE of Lugu, Taiwan · 9867 days ago · 33 km deep · 67 km away
  37. 4.79 km S of Hualien City, Taiwan · 9867 days ago · 33 km deep · 23 km away
  38. 4.335 km NW of Hualien City, Taiwan · 9866 days ago · 33 km deep · 21 km away
  39. 5.150 km ESE of Lugu, Taiwan · 9866 days ago · 33 km deep · 65 km away
  40. 4.429 km W of Hualien City, Taiwan · 9866 days ago · 33 km deep · 25 km away
  41. 4.635 km SE of Lugu, Taiwan · 9866 days ago · 33 km deep · 83 km away
  42. 6.531 km SE of Puli, Taiwan · 9866 days ago · 17 km deep · 52 km away
  43. 4.041 km ESE of Lugu, Taiwan · 9866 days ago · 33 km deep · 68 km away
  44. 3.931 km NNE of Hualien City, Taiwan · 9865 days ago · 33 km deep · 30 km away
  45. 4.77 km NNW of Hualien City, Taiwan · 9865 days ago · 33 km deep · 8 km away
  46. 4.736 km WNW of Hualien City, Taiwan · 9865 days ago · 33 km deep · 24 km away
  47. 4.821 km ENE of Puli, Taiwan · 9864 days ago · 33 km deep · 35 km away
  48. 4.912 km E of Puli, Taiwan · 9864 days ago · 33 km deep · 45 km away
  49. 5.335 km SSW of Hualien City, Taiwan · 9864 days ago · 33 km deep · 46 km away
  50. 4.631 km S of Hualien City, Taiwan · 9864 days ago · 33 km deep · 43 km away
  51. 3.430 km ESE of Lugu, Taiwan · 9864 days ago · 33 km deep · 64 km away
  52. 4.216 km WNW of Hualien City, Taiwan · 9864 days ago · 33 km deep · 9 km away
  53. 4.235 km NNE of Puli, Taiwan · 9864 days ago · 33 km deep · 40 km away
  54. 4.66 km NE of Zhongxing New Village, Taiwan · 9864 days ago · 33 km deep · 81 km away
  55. 3.928 km ESE of Puli, Taiwan · 9863 days ago · 33 km deep · 33 km away
  56. 4.10 km ESE of Lugu, Taiwan · 9863 days ago · 33 km deep · 85 km away
  57. 4.643 km NE of Puli, Taiwan · 9862 days ago · 33 km deep · 38 km away
  58. 4.324 km SE of Lugu, Taiwan · 9861 days ago · 9 km deep · 85 km away
  59. 4.925 km ESE of Yilan, Taiwan · 9861 days ago · 75 km deep · 83 km away
  60. 4.117 km SSE of Puli, Taiwan · 9861 days ago · 33 km deep · 57 km away

The first 60 of 108.

Before

  1. 4.319 km SW of Hualien City, Taiwan · 9870 days ago · 33 km deep · 24 km away
  2. 4.132 km SE of Puli, Taiwan · 9870 days ago · 33 km deep · 43 km away
  3. 3.8Taiwan · 9870 days ago · 33 km deep · 33 km away
  4. 4.632 km ESE of Lugu, Taiwan · 9870 days ago · 33 km deep · 73 km away
  5. 3.733 km ESE of Lugu, Taiwan · 9870 days ago · 33 km deep · 63 km away
  6. 4.125 km S of Lugu, Taiwan · 9870 days ago · 33 km deep · 96 km away
  7. 4.623 km NE of Puli, Taiwan · 9870 days ago · 33 km deep · 36 km away
  8. 4.328 km NE of Puli, Taiwan · 9870 days ago · 33 km deep · 36 km away
  9. 5.140 km SW of Hualien City, Taiwan · 9870 days ago · 33 km deep · 45 km away
  10. 3.820 km NNE of Puli, Taiwan · 9870 days ago · 33 km deep · 47 km away
  11. 4.347 km ESE of Lugu, Taiwan · 9871 days ago · 33 km deep · 70 km away
  12. 4.021 km NE of Puli, Taiwan · 9871 days ago · 33 km deep · 43 km away
  13. 3.737 km ESE of Puli, Taiwan · 9871 days ago · 33 km deep · 40 km away
  14. 3.9Taiwan · 9871 days ago · 33 km deep · 15 km away
  15. 4.712 km E of Puli, Taiwan · 9871 days ago · 33 km deep · 44 km away
  16. 4.813 km N of Hualien City, Taiwan · 9871 days ago · 33 km deep · 10 km away
  17. 4.4Taiwan · 9871 days ago · 33 km deep · 38 km away
  18. 4.423 km SE of Puli, Taiwan · 9871 days ago · 33 km deep · 46 km away
  19. 4.010 km ESE of Hualien City, Taiwan · 9871 days ago · 33 km deep · 25 km away
  20. 4.412 km SSE of Lugu, Taiwan · 9871 days ago · 33 km deep · 86 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp0009etk. Read Tue, Sep 29, 2026, 5:36 PM UTC.