Tonga earthquakes

M4.3 earthquake 52 km SSW of Hihifo, Tonga

A magnitude 4.3 earthquake struck 52 km SSW of Hihifo, Tonga on Sun, Jun 18, 2023, 10:20 AM GMT+13 (21:20 UTC), 62 km (38 mi) below the surface.

A larger quake followed: M5.0 61 km SE 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
4.3 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2023-06-17 21:20:08 UTC
Depth
61.5 km (38.2 mi), shallow
Epicenter
16.398° S, 173.976° 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 6.4 km horizontally, 8.0 km in depth
Magnitude uncertainty
±0.24
Depth from
From location
Station coverage gap
113°
Stations used
16

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 12 in the 60 days after this one and 7 in the 30 days before it.

After

  1. 4.534 km NE of Hihifo, Tonga · 1200 days ago · 21 km deep · 85 km away
  2. 5.061 km SE of Hihifo, Tonga · 1193 days ago · 55 km deep · 63 km away
  3. 4.6105 km SSE of Hihifo, Tonga · 1191 days ago · 82 km deep · 78 km away
  4. 4.259 km NNW of Hihifo, Tonga · 1190 days ago · 171 km deep · 100 km away
  5. 4.754 km SE of Hihifo, Tonga · 1184 days ago · 53 km deep · 58 km away
  6. 4.237 km SW of Hihifo, Tonga · 1180 days ago · 110 km deep · 22 km away
  7. 4.1127 km SSW of Hihifo, Tonga · 1178 days ago · 174 km deep · 77 km away
  8. 4.289 km WNW of Hihifo, Tonga · 1178 days ago · 138 km deep · 98 km away
  9. 4.2121 km SSW of Hihifo, Tonga · 1176 days ago · 136 km deep · 69 km away
  10. 4.3145 km SSW of Hihifo, Tonga · 1174 days ago · 128 km deep · 94 km away
  11. 4.6102 km SSE of Hihifo, Tonga · 1163 days ago · 50 km deep · 81 km away
  12. 4.4126 km S of Hihifo, Tonga · 1152 days ago · 108 km deep · 77 km away

Before

  1. 4.2133 km SSW of Hihifo, Tonga · 1206 days ago · 96 km deep · 81 km away
  2. 4.1146 km SSW of Hihifo, Tonga · 1212 days ago · 131 km deep · 94 km away
  3. 4.8Tonga · 1213 days ago · 103 km deep · 51 km away
  4. 4.173 km WNW of Hihifo, Tonga · 1216 days ago · 180 km deep · 92 km away
  5. 4.293 km WSW of Hihifo, Tonga · 1223 days ago · 175 km deep · 60 km away
  6. 4.077 km WSW of Hihifo, Tonga · 1229 days ago · 190 km deep · 49 km away
  7. 5.034 km NE of Hihifo, Tonga · 1232 days ago · 39 km deep · 86 km away · felt by 1

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000kam7. Read Mon, Oct 5, 2026, 8:32 AM UTC.