Tonga earthquakes

M4.2 earthquake 59 km NNW of Hihifo, Tonga

A magnitude 4.2 earthquake struck 59 km NNW of Hihifo, Tonga on Mon, Jul 3, 2023, 3:40 PM GMT+13 (02:40 UTC), 171 km (106 mi) below the surface.

A larger quake followed: M4.6 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
2023-07-03 02:40:54 UTC
Depth
170.8 km (106.1 mi), intermediate-depth
Epicenter
15.507° S, 174.096° 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 6.3 km horizontally, 6.8 km in depth
Magnitude uncertainty
±0.24
Depth from
From location
Station coverage gap
58°
Stations used
22

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 15 in the 60 days after this one and 7 in the 30 days before it.

After

  1. 4.277 km N of Hihifo, Tonga · 1183 days ago · 35 km deep · 38 km away
  2. 4.3106 km WNW of Hihifo, Tonga · 1178 days ago · 285 km deep · 71 km away
  3. 4.563 km NNE of Hihifo, Tonga · 1178 days ago · 35 km deep · 58 km away
  4. 4.237 km SW of Hihifo, Tonga · 1178 days ago · 110 km deep · 78 km away
  5. 4.4101 km WNW of Hihifo, Tonga · 1176 days ago · 180 km deep · 57 km away
  6. 4.4124 km NW of Hihifo, Tonga · 1176 days ago · 205 km deep · 66 km away
  7. 4.289 km WNW of Hihifo, Tonga · 1175 days ago · 138 km deep · 61 km away
  8. 4.1Tonga · 1172 days ago · 164 km deep · 54 km away
  9. 4.5Tonga · 1171 days ago · 206 km deep · 51 km away
  10. 4.2118 km WNW of Hihifo, Tonga · 1158 days ago · 177 km deep · 69 km away
  11. 4.581 km NNW of Hihifo, Tonga · 1151 days ago · 138 km deep · 31 km away
  12. 4.4120 km NNE of Hihifo, Tonga · 1151 days ago · 37 km deep · 98 km away
  13. 4.5113 km WNW of Hihifo, Tonga · 1151 days ago · 192 km deep · 66 km away
  14. 4.6Tonga · 1133 days ago · 67 km deep · 56 km away
  15. 4.5138 km N of Hihifo, Tonga · 1131 days ago · 10 km deep · 98 km away

Before

  1. 4.8103 km NNW of Hihifo, Tonga · 1194 days ago · 171 km deep · 45 km away
  2. 4.534 km NE of Hihifo, Tonga · 1198 days ago · 21 km deep · 65 km away
  3. 4.352 km SSW of Hihifo, Tonga · 1203 days ago · 62 km deep · 100 km away
  4. 4.558 km N of Hihifo, Tonga · 1207 days ago · 79 km deep · 40 km away
  5. 4.3111 km WNW of Hihifo, Tonga · 1209 days ago · 285 km deep · 74 km away
  6. 4.173 km WNW of Hihifo, Tonga · 1213 days ago · 180 km deep · 40 km away
  7. 4.799 km NNE of Hihifo, Tonga · 1215 days ago · 10 km deep · 77 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000kf2r. Read Fri, Oct 2, 2026, 3:08 PM UTC.