Solomon Islands earthquakes

M5.4 earthquake 123 km NW of Gizo, Solomon Islands

A magnitude 5.4 earthquake struck 123 km NW of Gizo, Solomon Islands on Thu, Dec 6, 1973, 7:39 AM GMT+10 (21:39 UTC), 57 km (35 mi) below the surface.

A larger quake followed: M7.1 118 km S of Panguna, Papua New Guinea. This one was a foreshock.

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

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The earthquake

Magnitude
5.4 (mb, body-wave), moderate
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
1973-12-05 21:39:33 UTC
Depth
57.0 km (35.4 mi), shallow
Epicenter
7.447° S, 155.934° E
Tsunami flag
No
Status
Reviewed by a seismologist

Magnitude estimates

Different scales measure different things and differ by a few tenths. The USGS marks one as preferred, and it is the one this page uses.

Mag.ScaleComputed byNotes
5.4mb, body-waveUSGS National Earthquake Information CenterPreferred · Reviewed
5.58Mw, momentISC-GEM global catalogFinal · ±0.55

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
26

Nearest places

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

Nearby

Within 100 km, magnitude 2.4 and up: 36 in the 60 days after this one and 3 in the 30 days before it.

After

  1. 5.3116 km NW of Gizo, Solomon Islands · 19238 days ago · 62 km deep · 8 km away
  2. 4.8111 km NW of Gizo, Solomon Islands · 19238 days ago · 55 km deep · 17 km away
  3. 7.0126 km NW of Gizo, Solomon Islands · 19238 days ago · 34 km deep · 5 km away
  4. 6.2102 km SSE of Panguna, Papua New Guinea · 19238 days ago · 62 km deep · 32 km away
  5. 5.2119 km SSE of Panguna, Papua New Guinea · 19238 days ago · 49 km deep · 16 km away
  6. 4.988 km S of Panguna, Papua New Guinea · 19238 days ago · 33 km deep · 54 km away
  7. 4.8Solomon Islands · 19238 days ago · 45 km deep · 19 km away
  8. 7.1118 km S of Panguna, Papua New Guinea · 19238 days ago · 40 km deep · 40 km away
  9. 5.0113 km SSE of Panguna, Papua New Guinea · 19238 days ago · 33 km deep · 25 km away
  10. 5.3106 km SSW of Panguna, Papua New Guinea · 19238 days ago · 33 km deep · 95 km away
  11. 5.095 km S of Panguna, Papua New Guinea · 19238 days ago · 33 km deep · 46 km away
  12. 5.0122 km S of Panguna, Papua New Guinea · 19238 days ago · 33 km deep · 41 km away
  13. 4.499 km S of Panguna, Papua New Guinea · 19238 days ago · 67 km deep · 49 km away
  14. 5.6106 km WNW of Gizo, Solomon Islands · 19238 days ago · 33 km deep · 19 km away
  15. 5.2106 km S of Panguna, Papua New Guinea · 19238 days ago · 33 km deep · 73 km away
  16. 5.2100 km S of Panguna, Papua New Guinea · 19238 days ago · 62 km deep · 72 km away
  17. 5.3141 km WNW of Gizo, Solomon Islands · 19238 days ago · 33 km deep · 51 km away
  18. 5.868 km SSW of Panguna, Papua New Guinea · 19238 days ago · 33 km deep · 100 km away
  19. 5.3103 km SSE of Panguna, Papua New Guinea · 19238 days ago · 48 km deep · 31 km away
  20. 5.2100 km SSW of Panguna, Papua New Guinea · 19238 days ago · 33 km deep · 92 km away
  21. 5.292 km SSW of Panguna, Papua New Guinea · 19238 days ago · 33 km deep · 84 km away
  22. 4.7120 km SSE of Panguna, Papua New Guinea · 19238 days ago · 33 km deep · 21 km away
  23. 5.3116 km SSE of Panguna, Papua New Guinea · 19238 days ago · 33 km deep · 19 km away
  24. 5.190 km SSW of Panguna, Papua New Guinea · 19238 days ago · 33 km deep · 93 km away
  25. 5.1112 km SSE of Panguna, Papua New Guinea · 19238 days ago · 54 km deep · 24 km away
  26. 5.194 km SSW of Panguna, Papua New Guinea · 19238 days ago · 41 km deep · 76 km away
  27. 5.093 km S of Panguna, Papua New Guinea · 19237 days ago · 33 km deep · 73 km away
  28. 4.8130 km WNW of Gizo, Solomon Islands · 19237 days ago · 56 km deep · 22 km away
  29. 5.4102 km S of Panguna, Papua New Guinea · 19237 days ago · 47 km deep · 60 km away
  30. 5.2109 km SSE of Panguna, Papua New Guinea · 19237 days ago · 33 km deep · 26 km away
  31. 5.080 km SSW of Panguna, Papua New Guinea · 19237 days ago · 37 km deep · 82 km away
  32. 4.692 km SSW of Panguna, Papua New Guinea · 19237 days ago · 36 km deep · 94 km away
  33. 4.8100 km SSW of Panguna, Papua New Guinea · 19237 days ago · 42 km deep · 85 km away
  34. 5.0121 km S of Panguna, Papua New Guinea · 19236 days ago · 33 km deep · 67 km away
  35. 5.6111 km S of Panguna, Papua New Guinea · 19235 days ago · 43 km deep · 50 km away
  36. 4.978 km SSE of Panguna, Papua New Guinea · 19235 days ago · 69 km deep · 56 km away

Before

  1. 5.0126 km NW of Gizo, Solomon Islands · 19295 days ago · 40 km deep · 12 km away
  2. 4.8120 km NW of Gizo, Solomon Islands · 19295 days ago · 60 km deep · 7 km away
  3. 4.875 km SSE of Panguna, Papua New Guinea · 19298 days ago · 70 km deep · 60 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp00004ev (also filed as iscgem753346). Read Sun, Oct 4, 2026, 3:05 AM UTC.