Tonga earthquakes

M4.4 earthquake 269 km SSW of ‘Ohonua, Tonga

A magnitude 4.4 earthquake struck 269 km SSW of ‘Ohonua, Tonga on Thu, Aug 3, 2023, 6:50 PM GMT+13 (05:50 UTC), 30 km (19 mi) below the surface.

A larger quake followed: M5.1 268 km SSW of ‘Ohonua, Tonga. This one was a foreshock.

Nuku‘alofa forecastMore in Tonga

Map

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
2023-08-03 05:50:19 UTC
Depth
30.5 km (18.9 mi), shallow
Epicenter
23.719° S, 175.514° 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 14.0 km horizontally, 7.1 km in depth
Magnitude uncertainty
±0.24
Depth from
From location
Station coverage gap
171°
Stations used
12

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 13 in the 30 days before it.

After

  1. 4.9south of Tonga · 1145 days ago · 30 km deep · 90 km away
  2. 5.1268 km SSW of ‘Ohonua, Tonga · 1144 days ago · 20 km deep · 7 km away
  3. 4.4south of the Fiji Islands · 1143 days ago · 10 km deep · 95 km away
  4. 4.6220 km SSW of ‘Ohonua, Tonga · 1139 days ago · 35 km deep · 84 km away
  5. 4.7south of Tonga · 1136 days ago · 10 km deep · 70 km away
  6. 4.3south of Tonga · 1132 days ago · 10 km deep · 77 km away
  7. 4.6193 km S of ‘Ohonua, Tonga · 1117 days ago · 10 km deep · 81 km away
  8. 5.0south of Tonga · 1115 days ago · 35 km deep · 58 km away
  9. 4.6south of Tonga · 1114 days ago · 35 km deep · 70 km away
  10. 4.5south of the Fiji Islands · 1103 days ago · 99 km deep · 94 km away
  11. 4.8210 km S of ‘Ohonua, Tonga · 1101 days ago · 10 km deep · 67 km away
  12. 4.8235 km S of ‘Ohonua, Tonga · 1100 days ago · 10 km deep · 79 km away

Before

  1. 4.8293 km SSW of ‘Ohonua, Tonga · 1159 days ago · 11 km deep · 39 km away
  2. 4.6south of Tonga · 1164 days ago · 10 km deep · 75 km away
  3. 4.5south of Tonga · 1165 days ago · 10 km deep · 76 km away
  4. 4.5275 km S of ‘Ohonua, Tonga · 1169 days ago · 10 km deep · 27 km away
  5. 4.9south of Tonga · 1171 days ago · 10 km deep · 95 km away
  6. 4.8south of Tonga · 1171 days ago · 10 km deep · 94 km away
  7. 4.9south of Tonga · 1185 days ago · 31 km deep · 66 km away
  8. 5.1south of Tonga · 1185 days ago · 23 km deep · 100 km away
  9. 4.4208 km S of ‘Ohonua, Tonga · 1186 days ago · 10 km deep · 61 km away
  10. 4.5278 km SSW of ‘Ohonua, Tonga · 1188 days ago · 22 km deep · 11 km away
  11. 4.5252 km S of ‘Ohonua, Tonga · 1188 days ago · 10 km deep · 65 km away
  12. 4.6195 km S of ‘Ohonua, Tonga · 1188 days ago · 10 km deep · 80 km away
  13. 4.5south of Tonga · 1188 days ago · 22 km deep · 54 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000kzcn. Read Sun, Oct 4, 2026, 4:56 PM UTC.