Tonga earthquakes

M4.8 earthquake 81 km NNW of Hihifo, Tonga

A magnitude 4.8 earthquake struck 81 km NNW of Hihifo, Tonga on Fri, Dec 6, 2019, 4:39 AM GMT+14 (14:39 UTC), 60 km (37 mi) below the surface.

A larger quake followed: M5.1 117 km WNW 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
4.8 (mb), light
Local time
UTC
2019-12-05 14:39:13 UTC
Depth
60.4 km (37.5 mi), shallow
Epicenter
15.296° S, 174.138° 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.

Location uncertainty
About 11.3 km horizontally, 7.9 km in depth
Magnitude uncertainty
±0.10
Depth from
From location
Station coverage gap
85°
Stations used
39

Nearest places

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

Nearby

Within 100 km, magnitude 1.8 and up: 13 in the 60 days after this one and 6 in the 30 days before it.

After

  1. 5.1117 km WNW of Hihifo, Tonga · 2490 days ago · 10 km deep · 92 km away
  2. 4.656 km WNW of Hihifo, Tonga · 2490 days ago · 130 km deep · 44 km away
  3. 4.6108 km NNE of Hihifo, Tonga · 2486 days ago · 10 km deep · 90 km away
  4. 4.699 km NNW of Hihifo, Tonga · 2484 days ago · 86 km deep · 23 km away
  5. 4.4118 km NW of Hihifo, Tonga · 2478 days ago · 178 km deep · 42 km away
  6. 4.679 km N of Hihifo, Tonga · 2474 days ago · 125 km deep · 43 km away
  7. 4.575 km NE of Hihifo, Tonga · 2472 days ago · 10 km deep · 80 km away
  8. 4.728 km NW of Hihifo, Tonga · 2459 days ago · 116 km deep · 58 km away
  9. 4.797 km NNE of Hihifo, Tonga · 2449 days ago · 10 km deep · 83 km away
  10. 4.536 km WNW of Hihifo, Tonga · 2446 days ago · 108 km deep · 62 km away
  11. 4.4101 km WNW of Hihifo, Tonga · 2442 days ago · 166 km deep · 74 km away
  12. 4.678 km WNW of Hihifo, Tonga · 2438 days ago · 129 km deep · 55 km away
  13. 4.2Tonga · 2436 days ago · 262 km deep · 80 km away

Before

  1. 5.292 km NNE of Hihifo, Tonga · 2503 days ago · 10 km deep · 82 km away · felt by 1
  2. 4.5138 km WNW of Hihifo, Tonga · 2507 days ago · 10 km deep · 94 km away
  3. 4.593 km N of Hihifo, Tonga · 2509 days ago · 35 km deep · 49 km away
  4. 4.693 km NE of Hihifo, Tonga · 2515 days ago · 10 km deep · 96 km away
  5. 4.560 km N of Hihifo, Tonga · 2518 days ago · 110 km deep · 40 km away
  6. 4.3144 km NW of Hihifo, Tonga · 2520 days ago · 231 km deep · 81 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us60006met. Read Wed, Sep 30, 2026, 12:54 PM UTC.