Tonga earthquakes

M5.0 earthquake 103 km E of Hihifo, Tonga

A magnitude 5.0 earthquake struck 103 km E of Hihifo, Tonga on Fri, Dec 26, 1975, 11:39 AM GMT-11 (22:39 UTC), 33 km (21 mi) below the surface.

A larger quake followed: M5.2 137 km ENE 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
5.0 (mb), moderate
Local time
UTC
1975-12-26 22:39:14 UTC
Depth
33.0 km (20.5 mi), shallow
Epicenter
15.936° S, 172.834° 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
OPERATOR_ASSIGNED
Stations used
14

Nearest places

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

Nearby

Within 100 km, magnitude 2.0 and up: 20 in the 60 days after this one and 9 in the 30 days before it.

After

  1. 5.0167 km ESE of Hihifo, Tonga · 18532 days ago · 33 km deep · 87 km away
  2. 5.078 km E of Hihifo, Tonga · 18532 days ago · 33 km deep · 29 km away
  3. 4.9123 km E of Hihifo, Tonga · 18532 days ago · 31 km deep · 25 km away
  4. 4.424 km ENE of Hihifo, Tonga · 18531 days ago · 33 km deep · 81 km away
  5. 4.9117 km E of Hihifo, Tonga · 18530 days ago · 35 km deep · 15 km away
  6. 4.6164 km ESE of Hihifo, Tonga · 18530 days ago · 33 km deep · 82 km away
  7. 4.8134 km ESE of Hihifo, Tonga · 18530 days ago · 33 km deep · 42 km away
  8. 5.2137 km ENE of Hihifo, Tonga · 18529 days ago · 69 km deep · 42 km away
  9. 4.5171 km SSW of Lotofag?, Samoa · 18529 days ago · 33 km deep · 79 km away
  10. 5.7123 km SE of Hihifo, Tonga · 18527 days ago · 33 km deep · 73 km away
  11. 5.3Samoa Islands region · 18527 days ago · 33 km deep · 54 km away
  12. 5.4129 km ESE of Hihifo, Tonga · 18527 days ago · 33 km deep · 63 km away
  13. 4.8111 km ESE of Hihifo, Tonga · 18527 days ago · 33 km deep · 44 km away
  14. 5.3175 km ESE of Hihifo, Tonga · 18512 days ago · 33 km deep · 100 km away
  15. 5.3157 km SE of Hihifo, Tonga · 18509 days ago · 33 km deep · 99 km away
  16. 5.5138 km E of Hihifo, Tonga · 18502 days ago · 36 km deep · 35 km away
  17. 4.4168 km ESE of Hihifo, Tonga · 18495 days ago · 104 km deep · 72 km away
  18. 5.3135 km ESE of Hihifo, Tonga · 18493 days ago · 33 km deep · 64 km away
  19. 4.7181 km ESE of Hihifo, Tonga · 18492 days ago · 33 km deep · 97 km away
  20. 5.9148 km SSW of Lotofag?, Samoa · 18486 days ago · 33 km deep · 97 km away

Before

  1. 4.2124 km NE of Hihifo, Tonga · 18533 days ago · 33 km deep · 92 km away
  2. 4.8103 km E of Hihifo, Tonga · 18533 days ago · 39 km deep · 1 km away
  3. 5.1114 km E of Hihifo, Tonga · 18533 days ago · 38 km deep · 24 km away
  4. 5.2144 km SSW of Lotofag?, Samoa · 18533 days ago · 33 km deep · 98 km away
  5. 4.9170 km ESE of Hihifo, Tonga · 18533 days ago · 33 km deep · 88 km away
  6. 5.492 km E of Hihifo, Tonga · 18533 days ago · 33 km deep · 17 km away
  7. 4.9171 km ESE of Hihifo, Tonga · 18533 days ago · 33 km deep · 75 km away
  8. 4.8170 km ESE of Hihifo, Tonga · 18533 days ago · 33 km deep · 82 km away
  9. 7.8146 km ESE of Hihifo, Tonga · 18533 days ago · 33 km deep · 54 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp0000e37. Read Tue, Sep 22, 2026, 9:58 AM UTC.