Tonga earthquakes

M4.5 earthquake 275 km S of ‘Ohonua, Tonga

A magnitude 4.5 earthquake struck 275 km S of ‘Ohonua, Tonga on Mon, Jul 24, 2023, 3:04 PM GMT+13 (02:04 UTC), 10 km (6 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
4.5 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2023-07-24 02:04:21 UTC
Depth
10.0 km (6.2 mi), shallow
Epicenter
23.808° S, 175.268° 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 10.6 km horizontally, 1.1 km in depth
Magnitude uncertainty
±0.27
Depth from
Operator assigned
Station coverage gap
121°
Stations used
17

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 11 in the 60 days after this one and 50 in the 30 days before it.

After

  1. 4.5south of Tonga · 1165 days ago · 10 km deep · 66 km away
  2. 4.6south of Tonga · 1164 days ago · 10 km deep · 71 km away
  3. 4.8293 km SSW of ‘Ohonua, Tonga · 1159 days ago · 11 km deep · 61 km away
  4. 4.4269 km SSW of ‘Ohonua, Tonga · 1158 days ago · 30 km deep · 27 km away
  5. 4.9south of Tonga · 1145 days ago · 30 km deep · 98 km away
  6. 5.1268 km SSW of ‘Ohonua, Tonga · 1144 days ago · 20 km deep · 34 km away
  7. 4.7south of Tonga · 1136 days ago · 10 km deep · 60 km away
  8. 4.3south of Tonga · 1132 days ago · 10 km deep · 57 km away
  9. 4.6193 km S of ‘Ohonua, Tonga · 1117 days ago · 10 km deep · 82 km away
  10. 5.0south of Tonga · 1115 days ago · 35 km deep · 62 km away
  11. 4.6south of Tonga · 1114 days ago · 35 km deep · 83 km away

Before

  1. 4.9south of Tonga · 1171 days ago · 10 km deep · 94 km away
  2. 4.8south of Tonga · 1171 days ago · 10 km deep · 96 km away
  3. 4.3south of Tonga · 1178 days ago · 10 km deep · 84 km away
  4. 4.9south of Tonga · 1185 days ago · 31 km deep · 77 km away
  5. 4.4208 km S of ‘Ohonua, Tonga · 1186 days ago · 10 km deep · 68 km away
  6. 4.5278 km SSW of ‘Ohonua, Tonga · 1188 days ago · 22 km deep · 32 km away
  7. 4.5252 km S of ‘Ohonua, Tonga · 1188 days ago · 10 km deep · 44 km away
  8. 4.6195 km S of ‘Ohonua, Tonga · 1188 days ago · 10 km deep · 80 km away
  9. 4.5south of Tonga · 1188 days ago · 22 km deep · 66 km away
  10. 4.4south of Tonga · 1189 days ago · 10 km deep · 42 km away
  11. 4.9293 km SSW of ‘Ohonua, Tonga · 1189 days ago · 35 km deep · 44 km away
  12. 5.3273 km SSW of ‘Ohonua, Tonga · 1189 days ago · 10 km deep · 51 km away
  13. 5.1297 km SSW of ‘Ohonua, Tonga · 1189 days ago · 16 km deep · 37 km away
  14. 4.3275 km SSW of ‘Ohonua, Tonga · 1189 days ago · 10 km deep · 46 km away
  15. 4.5246 km SSW of ?Ohonua, Tonga · 1189 days ago · 22 km deep · 44 km away
  16. 4.3255 km S of ‘Ohonua, Tonga · 1189 days ago · 10 km deep · 32 km away
  17. 4.7248 km S of ‘Ohonua, Tonga · 1189 days ago · 10 km deep · 30 km away
  18. 4.4295 km SSW of ‘Ohonua, Tonga · 1189 days ago · 35 km deep · 60 km away
  19. 4.9288 km SSW of ‘Ohonua, Tonga · 1189 days ago · 31 km deep · 53 km away
  20. 4.4288 km S of ‘Ohonua, Tonga · 1190 days ago · 10 km deep · 22 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000kx9z. Read Sun, Oct 4, 2026, 4:57 PM UTC.