Tonga earthquakes

M5.1 earthquake 114 km E of Hihifo, Tonga

A magnitude 5.1 earthquake struck 114 km E of Hihifo, Tonga on Fri, Dec 26, 1975, 9:07 AM GMT-11 (20:07 UTC), 38 km (24 mi) below the surface.

A larger quake followed: M5.7 123 km SE of Hihifo, Tonga. 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
5.1 (mb, body-wave), moderate
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
1975-12-26 20:07:21 UTC
Depth
38.0 km (23.6 mi), shallow
Epicenter
16.135° S, 172.739° W
Region
Tonga
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
CONSTRAINED_BY_DEPTH_PHASES
Stations used
38

Nearest places

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

Nearby

Within 100 km, magnitude 2.1 and up: 23 in the 60 days after this one and 5 in the 30 days before it.

After

  1. 4.8103 km E of Hihifo, Tonga · 18544 days ago · 39 km deep · 24 km away
  2. 5.0103 km E of Hihifo, Tonga · 18544 days ago · 33 km deep · 24 km away
  3. 5.0167 km ESE of Hihifo, Tonga · 18544 days ago · 33 km deep · 63 km away
  4. 5.078 km E of Hihifo, Tonga · 18544 days ago · 33 km deep · 36 km away
  5. 4.9123 km E of Hihifo, Tonga · 18543 days ago · 31 km deep · 12 km away
  6. 4.424 km ENE of Hihifo, Tonga · 18543 days ago · 33 km deep · 95 km away
  7. 4.9117 km E of Hihifo, Tonga · 18541 days ago · 35 km deep · 21 km away
  8. 4.6164 km ESE of Hihifo, Tonga · 18541 days ago · 33 km deep · 59 km away
  9. 4.8134 km ESE of Hihifo, Tonga · 18541 days ago · 33 km deep · 20 km away
  10. 5.2137 km ENE of Hihifo, Tonga · 18541 days ago · 69 km deep · 55 km away
  11. 4.5171 km SSW of Lotofag?, Samoa · 18541 days ago · 33 km deep · 89 km away
  12. 5.7123 km SE of Hihifo, Tonga · 18539 days ago · 33 km deep · 52 km away
  13. 5.3Samoa Islands region · 18539 days ago · 33 km deep · 36 km away
  14. 5.4129 km ESE of Hihifo, Tonga · 18539 days ago · 33 km deep · 40 km away
  15. 4.8111 km ESE of Hihifo, Tonga · 18538 days ago · 33 km deep · 24 km away
  16. 5.3175 km ESE of Hihifo, Tonga · 18524 days ago · 33 km deep · 75 km away
  17. 5.3157 km SE of Hihifo, Tonga · 18521 days ago · 33 km deep · 75 km away
  18. 5.5138 km E of Hihifo, Tonga · 18513 days ago · 36 km deep · 32 km away
  19. 4.9184 km ESE of Hihifo, Tonga · 18513 days ago · 44 km deep · 80 km away
  20. 4.4168 km ESE of Hihifo, Tonga · 18507 days ago · 104 km deep · 54 km away
  21. 5.2166 km SE of Hihifo, Tonga · 18505 days ago · 33 km deep · 83 km away
  22. 5.3135 km ESE of Hihifo, Tonga · 18505 days ago · 33 km deep · 40 km away
  23. 4.7181 km ESE of Hihifo, Tonga · 18504 days ago · 33 km deep · 74 km away

Before

  1. 4.9170 km ESE of Hihifo, Tonga · 18545 days ago · 33 km deep · 65 km away
  2. 5.492 km E of Hihifo, Tonga · 18545 days ago · 33 km deep · 23 km away
  3. 4.9171 km ESE of Hihifo, Tonga · 18545 days ago · 33 km deep · 57 km away
  4. 4.8170 km ESE of Hihifo, Tonga · 18545 days ago · 33 km deep · 59 km away
  5. 7.8146 km ESE of Hihifo, Tonga · 18545 days ago · 33 km deep · 32 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp0000e32. Read Sun, Oct 4, 2026, 6:31 AM UTC.