Tonga earthquakes

M4.2 earthquake Tonga region

A magnitude 4.2 earthquake struck in the Tonga region on Mon, Jan 23, 2023, 5:43 PM GMT+13 (04:43 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M5.4 Tonga region. 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
4.2 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2023-01-23 04:43:13 UTC
Depth
10.0 km (6.2 mi), shallow
Epicenter
22.041° S, 174.618° 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 5.3 km horizontally, 1.9 km in depth
Magnitude uncertainty
±0.24
Depth from
Operator assigned
Station coverage gap
123°
Stations used
11

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 14 in the 60 days after this one and 5 in the 30 days before it.

After

  1. 4.7100 km SW of ‘Ohonua, Tonga · 1348 days ago · 45 km deep · 91 km away
  2. 4.4Tonga region · 1337 days ago · 10 km deep · 99 km away
  3. 5.3121 km ESE of ?Ohonua, Tonga · 1337 days ago · 10 km deep · 76 km away · felt by 1
  4. 4.9115 km ESE of ‘Ohonua, Tonga · 1336 days ago · 10 km deep · 75 km away
  5. 5.3121 km SSE of ‘Ohonua, Tonga · 1330 days ago · 10 km deep · 36 km away
  6. 4.7106 km SSW of ‘Ohonua, Tonga · 1328 days ago · 60 km deep · 84 km away
  7. 5.4Tonga region · 1323 days ago · 10 km deep · 44 km away
  8. 5.2131 km SSE of ‘Ohonua, Tonga · 1321 days ago · 10 km deep · 47 km away
  9. 4.9139 km S of ‘Ohonua, Tonga · 1312 days ago · 10 km deep · 78 km away
  10. 4.4143 km SSE of ‘Ohonua, Tonga · 1305 days ago · 10 km deep · 61 km away
  11. 4.6154 km SSE of ‘Ohonua, Tonga · 1302 days ago · 10 km deep · 72 km away
  12. 4.3130 km SSE of ‘Ohonua, Tonga · 1302 days ago · 10 km deep · 46 km away
  13. 4.9118 km SSE of ‘Ohonua, Tonga · 1293 days ago · 10 km deep · 34 km away
  14. 4.4129 km SE of ‘Ohonua, Tonga · 1293 days ago · 10 km deep · 48 km away

Before

  1. 5.085 km E of ‘Ohonua, Tonga · 1352 days ago · 10 km deep · 89 km away
  2. 5.465 km SSE of ‘Ohonua, Tonga · 1372 days ago · 23 km deep · 22 km away · felt by 1
  3. 4.380 km SSE of ‘Ohonua, Tonga · 1376 days ago · 10 km deep · 6 km away
  4. 4.694 km SSE of ‘Ohonua, Tonga · 1376 days ago · 10 km deep · 9 km away
  5. 5.5Tonga region · 1376 days ago · 10 km deep · 14 km away · felt by 2

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000jlx6. Read Fri, Oct 2, 2026, 6:18 PM UTC.