Tonga earthquakes

M4.4 earthquake 164 km NW of Neiafu, Tonga

A magnitude 4.4 earthquake struck 164 km NW of Neiafu, Tonga on Sun, Jul 2, 2023, 5:42 PM GMT-12 (05:42 UTC), 222 km (138 mi) below the surface.

A larger quake followed: M4.8 90 km NNW of Neiafu, Tonga. This one was a foreshock.

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Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
4.4 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2023-07-03 05:42:48 UTC
Depth
221.5 km (137.7 mi), intermediate-depth
Epicenter
17.492° S, 174.955° 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 10.5 km horizontally, 9.0 km in depth
Magnitude uncertainty
±0.19
Depth from
From location
Station coverage gap
111°
Stations used
16

Nearby

Within 100 km, magnitude 1.5 and up: 12 in the 60 days after this one and 6 in the 30 days before it.

After

  1. 4.3159 km NW of Neiafu, Tonga · 1180 days ago · 223 km deep · 24 km away
  2. 4.1127 km SSW of Hihifo, Tonga · 1175 days ago · 174 km deep · 83 km away
  3. 4.5153 km SW of Hihifo, Tonga · 1174 days ago · 205 km deep · 68 km away
  4. 4.2121 km SSW of Hihifo, Tonga · 1174 days ago · 136 km deep · 97 km away
  5. 4.3145 km SSW of Hihifo, Tonga · 1172 days ago · 128 km deep · 80 km away
  6. 4.7141 km WNW of Neiafu, Tonga · 1171 days ago · 214 km deep · 78 km away
  7. 4.1162 km NW of Neiafu, Tonga · 1171 days ago · 221 km deep · 18 km away
  8. 4.5183 km NW of Neiafu, Tonga · 1167 days ago · 276 km deep · 20 km away
  9. 4.3156 km NW of Neiafu, Tonga · 1153 days ago · 229 km deep · 30 km away
  10. 4.5186 km NW of Neiafu, Tonga · 1148 days ago · 275 km deep · 38 km away
  11. 4.1171 km SW of Hihifo, Tonga · 1146 days ago · 250 km deep · 39 km away
  12. 4.890 km NNW of Neiafu, Tonga · 1142 days ago · 64 km deep · 80 km away

Before

  1. 6.9132 km NW of Neiafu, Tonga · 1189 days ago · 229 km deep · 43 km away · felt by 21 · tsunami flag
  2. 4.374 km NNW of Neiafu, Tonga · 1203 days ago · 8 km deep · 91 km away
  3. 4.2133 km SSW of Hihifo, Tonga · 1204 days ago · 96 km deep · 89 km away
  4. 4.1146 km SSW of Hihifo, Tonga · 1210 days ago · 131 km deep · 79 km away
  5. 4.690 km NW of Neiafu, Tonga · 1215 days ago · 123 km deep · 74 km away
  6. 4.1127 km N of Neiafu, Tonga · 1216 days ago · 120 km deep · 85 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000kf3a. Read Sat, Oct 3, 2026, 1:39 AM UTC.