Tonga earthquakes

M4.5 earthquake 138 km NE of Hihifo, Tonga

A magnitude 4.5 earthquake struck 138 km NE of Hihifo, Tonga on Sun, Jun 18, 2023, 3:29 AM GMT+13 (14:29 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M6.1 105 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
4.5 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2023-06-17 14:29:49 UTC
Depth
10.0 km (6.2 mi), shallow
Epicenter
14.959° S, 173.021° 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 8.6 km horizontally, 1.8 km in depth
Magnitude uncertainty
±0.20
Depth from
Operator assigned
Station coverage gap
101°
Stations used
15

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 7 in the 60 days after this one and 6 in the 30 days before it.

After

  1. 5.7126 km NNE of Hihifo, Tonga · 1203 days ago · 8 km deep · 27 km away
  2. 4.4117 km NE of Hihifo, Tonga · 1199 days ago · 10 km deep · 22 km away
  3. 5.4123 km NE of Hihifo, Tonga · 1197 days ago · 35 km deep · 22 km away · felt by 3
  4. 4.277 km N of Hihifo, Tonga · 1183 days ago · 35 km deep · 96 km away
  5. 4.563 km NNE of Hihifo, Tonga · 1178 days ago · 35 km deep · 78 km away
  6. 6.1105 km NE of Hihifo, Tonga · 1151 days ago · 42 km deep · 33 km away · felt by 16
  7. 4.4120 km NNE of Hihifo, Tonga · 1151 days ago · 37 km deep · 41 km away

Before

  1. 4.558 km N of Hihifo, Tonga · 1207 days ago · 79 km deep · 93 km away
  2. 4.799 km NNE of Hihifo, Tonga · 1215 days ago · 10 km deep · 55 km away
  3. 5.3105 km NE of Hihifo, Tonga · 1216 days ago · 35 km deep · 33 km away
  4. 4.3102 km NE of Hihifo, Tonga · 1225 days ago · 18 km deep · 36 km away
  5. 4.3106 km NNE of Hihifo, Tonga · 1225 days ago · 10 km deep · 46 km away
  6. 4.6129 km NE of Hihifo, Tonga · 1232 days ago · 10 km deep · 11 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000kall. Read Fri, Oct 2, 2026, 2:16 PM UTC.