Tonga earthquakes

M4.2 earthquake 56 km NNE of Hihifo, Tonga

A magnitude 4.2 earthquake struck 56 km NNE of Hihifo, Tonga on Wed, Jul 11, 2018, 4:30 PM GMT+13 (03:30 UTC), 90 km (56 mi) below the surface.

A larger quake followed: M5.1 126 km NE 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
4.2 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2018-07-11 03:30:06 UTC
Depth
90.1 km (56.0 mi), intermediate-depth
Epicenter
15.493° S, 173.563° 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 15.8 km horizontally, 8.2 km in depth
Magnitude uncertainty
±0.10
Depth from
From location
Station coverage gap
108°
Stations used
29

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 14 in the 60 days after this one and 7 in the 30 days before it.

After

  1. 4.5138 km SW of Gataivai, Samoa · 3005 days ago · 39 km deep · 99 km away
  2. 4.8136 km NE of Hihifo, Tonga · 2997 days ago · 10 km deep · 87 km away
  3. 4.623 km NNW of Hihifo, Tonga · 2994 days ago · 60 km deep · 43 km away
  4. 4.690 km NE of Hihifo, Tonga · 2984 days ago · 35 km deep · 46 km away
  5. 4.393 km N of Hihifo, Tonga · 2976 days ago · 35 km deep · 58 km away
  6. 4.9108 km N of Hihifo, Tonga · 2971 days ago · 33 km deep · 57 km away · felt by 1
  7. 4.6134 km NNE of Hihifo, Tonga · 2965 days ago · 10 km deep · 79 km away
  8. 5.1126 km NE of Hihifo, Tonga · 2965 days ago · 10 km deep · 72 km away
  9. 4.6102 km NNE of Hihifo, Tonga · 2964 days ago · 19 km deep · 47 km away
  10. 4.6111 km ENE of Hihifo, Tonga · 2961 days ago · 10 km deep · 69 km away
  11. 4.8123 km NE of Hihifo, Tonga · 2958 days ago · 10 km deep · 73 km away
  12. 4.4Tonga · 2956 days ago · 144 km deep · 67 km away
  13. 4.9144 km NE of Hihifo, Tonga · 2948 days ago · 10 km deep · 91 km away
  14. 4.767 km N of Hihifo, Tonga · 2946 days ago · 82 km deep · 32 km away

Before

  1. 4.878 km NNE of Hihifo, Tonga · 3009 days ago · 10 km deep · 23 km away · felt by 1
  2. 4.683 km NNE of Hihifo, Tonga · 3017 days ago · 35 km deep · 28 km away
  3. 4.9124 km ENE of Hihifo, Tonga · 3021 days ago · 10 km deep · 96 km away
  4. 5.139 km WSW of Hihifo, Tonga · 3026 days ago · 120 km deep · 93 km away
  5. 5.3117 km ENE of Hihifo, Tonga · 3031 days ago · 55 km deep · 77 km away · felt by 9
  6. 4.4119 km N of Hihifo, Tonga · 3032 days ago · 31 km deep · 67 km away
  7. 4.5129 km NNE of Hihifo, Tonga · 3035 days ago · 25 km deep · 73 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us2000g7f3. Read Fri, Oct 2, 2026, 7:46 PM UTC.