Tonga earthquakes

M4.1 earthquake 152 km NW of Hihifo, Tonga

A magnitude 4.1 earthquake struck 152 km NW of Hihifo, Tonga on Mon, Mar 20, 2023, 11:56 AM GMT+13 (22:56 UTC), 245 km (152 mi) below the surface.

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

Apia 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
4.1 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2023-03-19 22:56:23 UTC
Depth
244.7 km (152.0 mi), intermediate-depth
Epicenter
15.100° S, 174.908° 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 9.0 km horizontally, 9.4 km in depth
Magnitude uncertainty
±0.20
Depth from
From location
Station coverage gap
82°
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: 20 in the 60 days after this one and 3 in the 30 days before it.

After

  1. 4.4Tonga · 1289 days ago · 261 km deep · 42 km away
  2. 4.6145 km WNW of Hihifo, Tonga · 1284 days ago · 293 km deep · 27 km away
  3. 4.2123 km WNW of Hihifo, Tonga · 1272 days ago · 269 km deep · 64 km away
  4. 4.8158 km SSE of Mata-Utu, Wallis and Futuna · 1261 days ago · 10 km deep · 94 km away
  5. 7.682 km WNW of Hihifo, Tonga · 1241 days ago · 210 km deep · 74 km away · felt by 26 · tsunami flag
  6. 4.780 km WNW of Hihifo, Tonga · 1241 days ago · 166 km deep · 75 km away
  7. 5.074 km WNW of Hihifo, Tonga · 1241 days ago · 199 km deep · 79 km away
  8. 4.798 km WNW of Hihifo, Tonga · 1241 days ago · 223 km deep · 61 km away
  9. 4.4Tonga · 1241 days ago · 207 km deep · 63 km away
  10. 4.3106 km WNW of Hihifo, Tonga · 1241 days ago · 227 km deep · 53 km away
  11. 4.472 km WNW of Hihifo, Tonga · 1241 days ago · 185 km deep · 83 km away
  12. 4.694 km WNW of Hihifo, Tonga · 1241 days ago · 212 km deep · 65 km away
  13. 4.4Tonga · 1241 days ago · 183 km deep · 86 km away
  14. 4.0Tonga · 1241 days ago · 177 km deep · 66 km away
  15. 4.2Tonga · 1241 days ago · 208 km deep · 58 km away
  16. 4.3106 km WNW of Hihifo, Tonga · 1240 days ago · 196 km deep · 55 km away
  17. 4.471 km WNW of Hihifo, Tonga · 1239 days ago · 184 km deep · 83 km away
  18. 4.3102 km WNW of Hihifo, Tonga · 1237 days ago · 182 km deep · 52 km away
  19. 4.289 km WNW of Hihifo, Tonga · 1234 days ago · 163 km deep · 71 km away
  20. 4.2Tonga · 1233 days ago · 177 km deep · 50 km away

Before

  1. 4.468 km WNW of Hihifo, Tonga · 1295 days ago · 143 km deep · 85 km away
  2. 4.695 km NNW of Hihifo, Tonga · 1303 days ago · 112 km deep · 81 km away
  3. 4.4128 km WNW of Hihifo, Tonga · 1309 days ago · 247 km deep · 37 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000jmfc. Read Fri, Oct 2, 2026, 5:16 PM UTC.