Tonga earthquakes

M4.9 earthquake 293 km SSW of ‘Ohonua, Tonga

A magnitude 4.9 earthquake struck 293 km SSW of ‘Ohonua, Tonga on Tue, Jul 4, 2023, 2:23 PM GMT+13 (01:23 UTC), 35 km (22 mi) below the surface.

A larger quake followed: M5.5 south of the Fiji Islands. 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
4.9 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2023-07-04 01:23:03 UTC
Depth
34.8 km (21.6 mi), shallow
Epicenter
23.901° S, 175.694° 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, 3.4 km in depth
Magnitude uncertainty
±0.13
Depth from
From location
Station coverage gap
131°
Stations used
35

Nearest places

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

Nearby

Within 100 km, magnitude 1.9 and up: 22 in the 60 days after this one and 118 in the 30 days before it.

After

  1. 4.4south of Tonga · 1189 days ago · 10 km deep · 35 km away
  2. 4.5south of Tonga · 1188 days ago · 22 km deep · 27 km away
  3. 4.5252 km S of ‘Ohonua, Tonga · 1188 days ago · 10 km deep · 88 km away
  4. 4.5278 km SSW of ‘Ohonua, Tonga · 1188 days ago · 22 km deep · 17 km away
  5. 4.4208 km S of ‘Ohonua, Tonga · 1186 days ago · 10 km deep · 87 km away
  6. 5.1south of Tonga · 1185 days ago · 23 km deep · 76 km away
  7. 4.9south of Tonga · 1184 days ago · 31 km deep · 40 km away
  8. 4.8south of Tonga · 1171 days ago · 10 km deep · 70 km away
  9. 4.9south of Tonga · 1171 days ago · 10 km deep · 72 km away
  10. 4.5275 km S of ‘Ohonua, Tonga · 1169 days ago · 10 km deep · 44 km away
  11. 4.5south of Tonga · 1165 days ago · 10 km deep · 63 km away
  12. 4.6south of Tonga · 1164 days ago · 10 km deep · 57 km away
  13. 4.8293 km SSW of ‘Ohonua, Tonga · 1159 days ago · 11 km deep · 18 km away
  14. 4.4269 km SSW of ‘Ohonua, Tonga · 1158 days ago · 30 km deep · 27 km away
  15. 5.0south of the Fiji Islands · 1151 days ago · 22 km deep · 80 km away
  16. 5.5south of the Fiji Islands · 1145 days ago · 29 km deep · 83 km away
  17. 4.9south of Tonga · 1145 days ago · 30 km deep · 63 km away
  18. 5.1268 km SSW of ‘Ohonua, Tonga · 1144 days ago · 20 km deep · 26 km away
  19. 4.4south of the Fiji Islands · 1143 days ago · 10 km deep · 68 km away
  20. 4.6220 km SSW of ‘Ohonua, Tonga · 1139 days ago · 35 km deep · 94 km away
  21. 4.7south of Tonga · 1136 days ago · 10 km deep · 58 km away
  22. 4.3south of Tonga · 1131 days ago · 10 km deep · 74 km away

Before

  1. 5.3273 km SSW of ‘Ohonua, Tonga · 1189 days ago · 10 km deep · 23 km away
  2. 5.1297 km SSW of ‘Ohonua, Tonga · 1189 days ago · 16 km deep · 12 km away
  3. 4.3275 km SSW of ‘Ohonua, Tonga · 1189 days ago · 10 km deep · 19 km away
  4. 4.5246 km SSW of ?Ohonua, Tonga · 1189 days ago · 22 km deep · 48 km away
  5. 4.3255 km S of ‘Ohonua, Tonga · 1189 days ago · 10 km deep · 75 km away
  6. 4.7248 km S of ‘Ohonua, Tonga · 1189 days ago · 10 km deep · 51 km away
  7. 4.4295 km SSW of ‘Ohonua, Tonga · 1189 days ago · 35 km deep · 16 km away
  8. 4.9288 km SSW of ‘Ohonua, Tonga · 1189 days ago · 31 km deep · 12 km away
  9. 4.4288 km S of ‘Ohonua, Tonga · 1189 days ago · 10 km deep · 59 km away
  10. 4.6231 km SSW of ‘Ohonua, Tonga · 1189 days ago · 35 km deep · 69 km away
  11. 4.8246 km SSW of ‘Ohonua, Tonga · 1190 days ago · 35 km deep · 48 km away
  12. 5.6249 km SSW of ‘Ohonua, Tonga · 1191 days ago · 9 km deep · 45 km away
  13. 4.6207 km SSW of ‘Ohonua, Tonga · 1191 days ago · 10 km deep · 88 km away
  14. 4.6249 km SSW of ‘Ohonua, Tonga · 1194 days ago · 17 km deep · 46 km away
  15. 4.7Tonga region · 1194 days ago · 10 km deep · 43 km away
  16. 4.6south of Tonga · 1194 days ago · 23 km deep · 32 km away
  17. 4.7270 km SSW of ?Ohonua, Tonga · 1194 days ago · 10 km deep · 31 km away
  18. 4.4south of Tonga · 1195 days ago · 10 km deep · 86 km away
  19. 4.6Tonga region · 1195 days ago · 10 km deep · 16 km away
  20. 4.7280 km S of ‘Ohonua, Tonga · 1196 days ago · 10 km deep · 23 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000kf4u. Read Sun, Oct 4, 2026, 2:47 PM UTC.