Tonga earthquakes

M4.6 earthquake 80 km NE of Hihifo, Tonga

A magnitude 4.6 earthquake struck 80 km NE of Hihifo, Tonga on Fri, May 4, 2018, 2:19 AM GMT+13 (13:19 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M5.8 141 km SSW of Gataivai, Samoa. 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
4.6 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2018-05-03 13:19:14 UTC
Depth
10.0 km (6.2 mi), shallow
Epicenter
15.471° S, 173.239° 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 8.2 km horizontally, 1.9 km in depth
Magnitude uncertainty
±0.10
Depth from
Operator assigned
Station coverage gap
100°
Stations used
25

Nearest places

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

Nearby

Within 100 km, magnitude 1.6 and up: 17 in the 60 days after this one and 4 in the 30 days before it.

After

  1. 4.663 km ESE of Hihifo, Tonga · 3067 days ago · 10 km deep · 88 km away
  2. 5.2130 km ENE of Hihifo, Tonga · 3060 days ago · 10 km deep · 53 km away
  3. 4.567 km NE of Hihifo, Tonga · 3057 days ago · 35 km deep · 20 km away
  4. 4.7140 km ENE of Hihifo, Tonga · 3057 days ago · 10 km deep · 67 km away
  5. 4.599 km NNE of Hihifo, Tonga · 3045 days ago · 33 km deep · 40 km away
  6. 5.8141 km SSW of Gataivai, Samoa · 3045 days ago · 10 km deep · 68 km away
  7. 5.4133 km NNE of Hihifo, Tonga · 3045 days ago · 10 km deep · 61 km away
  8. 4.698 km E of Hihifo, Tonga · 3044 days ago · 35 km deep · 81 km away
  9. 4.586 km NNE of Hihifo, Tonga · 3043 days ago · 10 km deep · 32 km away
  10. 5.0Samoa Islands region · 3038 days ago · 10 km deep · 63 km away
  11. 4.677 km ESE of Hihifo, Tonga · 3036 days ago · 10 km deep · 94 km away
  12. 4.378 km ESE of Hihifo, Tonga · 3036 days ago · 39 km deep · 83 km away
  13. 4.5129 km NNE of Hihifo, Tonga · 3035 days ago · 25 km deep · 65 km away
  14. 4.4119 km N of Hihifo, Tonga · 3032 days ago · 31 km deep · 75 km away
  15. 5.3117 km ENE of Hihifo, Tonga · 3032 days ago · 55 km deep · 43 km away · felt by 9
  16. 4.9124 km ENE of Hihifo, Tonga · 3021 days ago · 10 km deep · 63 km away
  17. 4.683 km NNE of Hihifo, Tonga · 3017 days ago · 35 km deep · 42 km away

Before

  1. 4.563 km N of Hihifo, Tonga · 3086 days ago · 55 km deep · 52 km away
  2. 4.5103 km NNE of Hihifo, Tonga · 3092 days ago · 35 km deep · 35 km away
  3. 4.899 km ENE of Hihifo, Tonga · 3092 days ago · 71 km deep · 23 km away
  4. 4.475 km ESE of Hihifo, Tonga · 3093 days ago · 35 km deep · 80 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us1000dwn0. Read Sat, Oct 3, 2026, 1:42 AM UTC.