Tonga earthquakes

M4.3 earthquake 106 km WNW of Hihifo, Tonga

A magnitude 4.3 earthquake struck 106 km WNW of Hihifo, Tonga on Thu, Jul 13, 2023, 1:42 AM GMT+13 (12:42 UTC), 285 km (177 mi) below the surface.

A larger quake followed: M4.5 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
2023-07-12 12:42:59 UTC
Depth
284.7 km (176.9 mi), intermediate-depth
Epicenter
15.652° S, 174.740° 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 9.8 km horizontally, 3.1 km in depth
Magnitude uncertainty
±0.12
Depth from
From location
Station coverage gap
53°
Stations used
30

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 10 in the 60 days after this one and 2 in the 30 days before it.

After

  1. 4.237 km SW of Hihifo, Tonga · 1179 days ago · 110 km deep · 98 km away
  2. 4.4101 km WNW of Hihifo, Tonga · 1177 days ago · 180 km deep · 21 km away
  3. 4.4124 km NW of Hihifo, Tonga · 1177 days ago · 205 km deep · 66 km away
  4. 4.289 km WNW of Hihifo, Tonga · 1176 days ago · 138 km deep · 19 km away
  5. 4.1Tonga · 1173 days ago · 164 km deep · 23 km away
  6. 4.5Tonga · 1172 days ago · 206 km deep · 27 km away
  7. 4.2118 km WNW of Hihifo, Tonga · 1159 days ago · 177 km deep · 31 km away
  8. 4.581 km NNW of Hihifo, Tonga · 1152 days ago · 138 km deep · 92 km away
  9. 4.5113 km WNW of Hihifo, Tonga · 1152 days ago · 192 km deep · 25 km away
  10. 4.488 km WNW of Hihifo, Tonga · 1128 days ago · 207 km deep · 23 km away

Before

  1. 4.259 km NNW of Hihifo, Tonga · 1189 days ago · 171 km deep · 71 km away
  2. 4.8103 km NNW of Hihifo, Tonga · 1195 days ago · 171 km deep · 74 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000kh28. Read Sat, Oct 3, 2026, 3:11 PM UTC.