Vanuatu earthquakes

M4.5 earthquake 63 km W of Port-Olry, Vanuatu

A magnitude 4.5 earthquake struck 63 km W of Port-Olry, Vanuatu on Sat, Dec 29, 1973, 5:13 AM GMT+12 (17:13 UTC), 33 km (21 mi) below the surface.

A larger quake followed: M5.0 72 km NW of Port-Olry, Vanuatu. This one was a foreshock.

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Map

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

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The earthquake

Magnitude
4.5 (mb), light
Local time
UTC
1973-12-28 17:13:49 UTC
Depth
33.0 km (20.5 mi), shallow
Epicenter
15.003° S, 166.481° E
Region
Vanuatu
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.

Stations used
10

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 64 in the 60 days after this one and 11 in the 30 days before it.

After

  1. 5.072 km NW of Port-Olry, Vanuatu · 19261 days ago · 33 km deep · 54 km away
  2. 5.635 km WNW of Port-Olry, Vanuatu · 19261 days ago · 33 km deep · 33 km away
  3. 5.562 km W of Port-Olry, Vanuatu · 19261 days ago · 43 km deep · 6 km away
  4. 5.154 km WSW of Port-Olry, Vanuatu · 19261 days ago · 33 km deep · 20 km away
  5. 5.676 km NNW of Port-Olry, Vanuatu · 19261 days ago · 50 km deep · 67 km away
  6. 4.741 km W of Port-Olry, Vanuatu · 19261 days ago · 33 km deep · 26 km away
  7. 7.220 km WSW of Port-Olry, Vanuatu · 19261 days ago · 47 km deep · 46 km away
  8. 5.864 km WNW of Port-Olry, Vanuatu · 19261 days ago · 33 km deep · 17 km away
  9. 5.3104 km NNW of Port-Olry, Vanuatu · 19261 days ago · 20 km deep · 84 km away
  10. 4.7119 km NW of Port-Olry, Vanuatu · 19260 days ago · 33 km deep · 92 km away
  11. 5.0109 km NNW of Port-Olry, Vanuatu · 19260 days ago · 37 km deep · 90 km away
  12. 5.171 km WSW of Port-Olry, Vanuatu · 19260 days ago · 33 km deep · 33 km away
  13. 4.8101 km NNW of Port-Olry, Vanuatu · 19260 days ago · 33 km deep · 85 km away
  14. 4.868 km NNW of Port-Olry, Vanuatu · 19260 days ago · 37 km deep · 70 km away
  15. 4.890 km NW of Port-Olry, Vanuatu · 19259 days ago · 33 km deep · 63 km away
  16. 4.425 km NW of Port-Olry, Vanuatu · 19259 days ago · 33 km deep · 50 km away
  17. 6.656 km W of Luganville, Vanuatu · 19259 days ago · 10 km deep · 58 km away
  18. 5.076 km W of Luganville, Vanuatu · 19259 days ago · 33 km deep · 44 km away
  19. 4.937 km W of Port-Olry, Vanuatu · 19259 days ago · 33 km deep · 28 km away
  20. 5.457 km W of Port-Olry, Vanuatu · 19259 days ago · 33 km deep · 8 km away
  21. 4.661 km W of Port-Olry, Vanuatu · 19259 days ago · 33 km deep · 16 km away
  22. 4.952 km NW of Port-Olry, Vanuatu · 19259 days ago · 34 km deep · 49 km away
  23. 4.7124 km NW of Port-Olry, Vanuatu · 19259 days ago · 15 km deep · 98 km away
  24. 4.492 km NNW of Port-Olry, Vanuatu · 19258 days ago · 35 km deep · 88 km away
  25. 4.541 km W of Luganville, Vanuatu · 19258 days ago · 37 km deep · 62 km away
  26. 4.336 km WNW of Port-Olry, Vanuatu · 19257 days ago · 21 km deep · 35 km away
  27. 4.484 km NNW of Port-Olry, Vanuatu · 19257 days ago · 46 km deep · 85 km away
  28. 4.745 km SW of Port-Olry, Vanuatu · 19256 days ago · 41 km deep · 49 km away
  29. 5.594 km NW of Port-Olry, Vanuatu · 19255 days ago · 9 km deep · 51 km away
  30. 5.2102 km NW of Port-Olry, Vanuatu · 19255 days ago · 27 km deep · 70 km away
  31. 5.288 km WNW of Port-Olry, Vanuatu · 19255 days ago · 33 km deep · 28 km away
  32. 5.1Vanuatu · 19255 days ago · 15 km deep · 28 km away
  33. 4.736 km NW of Port-Olry, Vanuatu · 19255 days ago · 17 km deep · 50 km away
  34. 5.033 km W of Port-Olry, Vanuatu · 19255 days ago · 50 km deep · 30 km away
  35. 5.362 km WNW of Port-Olry, Vanuatu · 19254 days ago · 21 km deep · 19 km away
  36. 5.162 km NW of Port-Olry, Vanuatu · 19253 days ago · 18 km deep · 42 km away
  37. 5.437 km W of Port-Olry, Vanuatu · 19252 days ago · 33 km deep · 27 km away
  38. 5.626 km NE of Port-Olry, Vanuatu · 19252 days ago · 117 km deep · 83 km away
  39. 4.947 km WNW of Port-Olry, Vanuatu · 19249 days ago · 23 km deep · 22 km away
  40. 7.270 km NNW of Port-Olry, Vanuatu · 19249 days ago · 34 km deep · 75 km away
  41. 4.881 km NNW of Port-Olry, Vanuatu · 19249 days ago · 57 km deep · 79 km away
  42. 5.198 km NNW of Port-Olry, Vanuatu · 19249 days ago · 45 km deep · 83 km away
  43. 4.776 km NNW of Port-Olry, Vanuatu · 19248 days ago · 33 km deep · 72 km away
  44. 4.7102 km NNW of Port-Olry, Vanuatu · 19248 days ago · 51 km deep · 90 km away
  45. 4.578 km NNW of Port-Olry, Vanuatu · 19248 days ago · 65 km deep · 72 km away
  46. 4.885 km NNW of Port-Olry, Vanuatu · 19248 days ago · 36 km deep · 79 km away
  47. 4.4Vanuatu · 19248 days ago · 49 km deep · 93 km away
  48. 4.780 km NW of Port-Olry, Vanuatu · 19248 days ago · 59 km deep · 65 km away
  49. 4.6Vanuatu · 19248 days ago · 46 km deep · 74 km away
  50. 4.351 km NNW of Port-Olry, Vanuatu · 19248 days ago · 46 km deep · 60 km away
  51. 6.2108 km WSW of Sola, Vanuatu · 19248 days ago · 15 km deep · 95 km away
  52. 4.471 km NNW of Port-Olry, Vanuatu · 19247 days ago · 16 km deep · 75 km away
  53. 5.070 km NNW of Port-Olry, Vanuatu · 19247 days ago · 33 km deep · 71 km away
  54. 4.729 km NW of Port-Olry, Vanuatu · 19247 days ago · 21 km deep · 43 km away
  55. 5.0104 km NW of Port-Olry, Vanuatu · 19245 days ago · 33 km deep · 68 km away
  56. 5.097 km NW of Port-Olry, Vanuatu · 19244 days ago · 5 km deep · 60 km away
  57. 4.885 km WNW of Port-Olry, Vanuatu · 19244 days ago · 36 km deep · 39 km away
  58. 4.8105 km NNW of Port-Olry, Vanuatu · 19243 days ago · 32 km deep · 88 km away
  59. 5.676 km N of Port-Olry, Vanuatu · 19239 days ago · 33 km deep · 87 km away
  60. 4.910 km SSW of Port-Olry, Vanuatu · 19235 days ago · 51 km deep · 62 km away

The first 60 of 64.

Before

  1. 5.252 km WNW of Port-Olry, Vanuatu · 19261 days ago · 37 km deep · 17 km away
  2. 5.257 km WNW of Port-Olry, Vanuatu · 19261 days ago · 33 km deep · 18 km away
  3. 5.774 km NNW of Port-Olry, Vanuatu · 19261 days ago · 62 km deep · 62 km away
  4. 5.254 km W of Port-Olry, Vanuatu · 19261 days ago · 33 km deep · 10 km away
  5. 4.788 km WNW of Port-Olry, Vanuatu · 19261 days ago · 33 km deep · 32 km away
  6. 4.434 km W of Port-Olry, Vanuatu · 19261 days ago · 33 km deep · 31 km away
  7. 5.588 km NW of Port-Olry, Vanuatu · 19261 days ago · 33 km deep · 57 km away
  8. 5.647 km NNW of Port-Olry, Vanuatu · 19261 days ago · 33 km deep · 56 km away
  9. 5.672 km WNW of Port-Olry, Vanuatu · 19261 days ago · 33 km deep · 29 km away
  10. 7.581 km NW of Port-Olry, Vanuatu · 19261 days ago · 26 km deep · 61 km away
  11. 5.160 km NW of Port-Olry, Vanuatu · 19261 days ago · 19 km deep · 50 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp00004pm. Read Tue, Sep 22, 2026, 9:34 PM UTC.