Tonga earthquakes

M4.6 earthquake Tonga

A magnitude 4.6 earthquake struck in Tonga on Sat, Mar 25, 2023, 9:55 AM GMT-12 (21:55 UTC), 9 km (6 mi) below the surface.

A larger quake followed: M7.6 82 km WNW of Hihifo, Tonga. This one was a foreshock.

More in Tonga

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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
4.6 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2023-03-25 21:55:34 UTC
Depth
9.3 km (5.8 mi), shallow
Epicenter
16.007° S, 174.774° 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 7.5 km horizontally, 2.7 km in depth
Magnitude uncertainty
±0.09
Depth from
From location
Station coverage gap
67°
Stations used
42

Nearby

Within 100 km, magnitude 1.6 and up: 22 in the 60 days after this one and 5 in the 30 days before it.

After

  1. 4.6145 km WNW of Hihifo, Tonga · 1283 days ago · 293 km deep · 79 km away
  2. 4.2123 km WNW of Hihifo, Tonga · 1272 days ago · 269 km deep · 39 km away
  3. 4.8Tonga · 1257 days ago · 11 km deep · 5 km away
  4. 7.682 km WNW of Hihifo, Tonga · 1241 days ago · 210 km deep · 52 km away · felt by 26 · tsunami flag
  5. 4.848 km WNW of Hihifo, Tonga · 1241 days ago · 175 km deep · 64 km away
  6. 4.780 km WNW of Hihifo, Tonga · 1241 days ago · 166 km deep · 55 km away
  7. 5.074 km WNW of Hihifo, Tonga · 1241 days ago · 199 km deep · 60 km away
  8. 4.798 km WNW of Hihifo, Tonga · 1241 days ago · 223 km deep · 51 km away
  9. 4.4Tonga · 1241 days ago · 207 km deep · 66 km away
  10. 4.3106 km WNW of Hihifo, Tonga · 1241 days ago · 227 km deep · 54 km away
  11. 4.472 km WNW of Hihifo, Tonga · 1241 days ago · 185 km deep · 56 km away
  12. 4.694 km WNW of Hihifo, Tonga · 1241 days ago · 212 km deep · 49 km away
  13. 4.4Tonga · 1241 days ago · 183 km deep · 53 km away
  14. 4.0Tonga · 1241 days ago · 177 km deep · 56 km away
  15. 4.2Tonga · 1240 days ago · 208 km deep · 75 km away
  16. 4.3106 km WNW of Hihifo, Tonga · 1240 days ago · 196 km deep · 52 km away
  17. 4.471 km WNW of Hihifo, Tonga · 1239 days ago · 184 km deep · 57 km away
  18. 4.3102 km WNW of Hihifo, Tonga · 1236 days ago · 182 km deep · 63 km away
  19. 4.4Tonga · 1236 days ago · 178 km deep · 67 km away
  20. 4.289 km WNW of Hihifo, Tonga · 1233 days ago · 163 km deep · 46 km away
  21. 4.2Tonga · 1233 days ago · 177 km deep · 63 km away
  22. 4.390 km WNW of Hihifo, Tonga · 1230 days ago · 192 km deep · 57 km away

Before

  1. 4.4Tonga · 1288 days ago · 261 km deep · 63 km away
  2. 4.416 km SSW of Hihifo, Tonga · 1293 days ago · 96 km deep · 98 km away
  3. 4.468 km WNW of Hihifo, Tonga · 1295 days ago · 143 km deep · 61 km away
  4. 4.4128 km WNW of Hihifo, Tonga · 1308 days ago · 247 km deep · 65 km away
  5. 4.3165 km SW of Hihifo, Tonga · 1314 days ago · 257 km deep · 99 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000jmr5. Read Fri, Oct 2, 2026, 11:31 AM UTC.