Tonga earthquakes

M4.9 earthquake 115 km ESE of ‘Ohonua, Tonga

A magnitude 4.9 earthquake struck 115 km ESE of ‘Ohonua, Tonga on Sun, Feb 5, 2023, 6:12 PM GMT+13 (05:12 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
4.9 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2023-02-05 05:12:22 UTC
Depth
10.0 km (6.2 mi), shallow
Epicenter
21.783° S, 173.947° 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 6.7 km horizontally, 1.8 km in depth
Magnitude uncertainty
±0.09
Depth from
Operator assigned
Station coverage gap
124°
Stations used
38

Nearest places

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

Nearby

Within 100 km, magnitude 1.9 and up: 11 in the 60 days after this one and 4 in the 30 days before it.

After

  1. 5.3121 km SSE of ‘Ohonua, Tonga · 1333 days ago · 10 km deep · 77 km away
  2. 5.4Tonga region · 1325 days ago · 10 km deep · 82 km away
  3. 5.2131 km SSE of ‘Ohonua, Tonga · 1323 days ago · 10 km deep · 89 km away
  4. 4.788 km E of ‘Ohonua, Tonga · 1313 days ago · 10 km deep · 61 km away
  5. 4.698 km E of ‘Ohonua, Tonga · 1313 days ago · 10 km deep · 52 km away
  6. 4.6154 km SSE of ‘Ohonua, Tonga · 1305 days ago · 10 km deep · 83 km away
  7. 4.3130 km SSE of ‘Ohonua, Tonga · 1305 days ago · 10 km deep · 85 km away
  8. 4.5118 km E of ‘Ohonua, Tonga · 1300 days ago · 10 km deep · 34 km away
  9. 4.9118 km SSE of ‘Ohonua, Tonga · 1296 days ago · 10 km deep · 86 km away
  10. 4.4129 km SE of ‘Ohonua, Tonga · 1296 days ago · 10 km deep · 66 km away
  11. 4.8158 km SSE of ‘Ohonua, Tonga · 1280 days ago · 10 km deep · 98 km away

Before

  1. 5.3121 km ESE of ?Ohonua, Tonga · 1339 days ago · 10 km deep · 8 km away · felt by 1
  2. 4.2Tonga region · 1351 days ago · 10 km deep · 75 km away
  3. 5.085 km E of ‘Ohonua, Tonga · 1355 days ago · 10 km deep · 49 km away
  4. 4.3110 km E of ‘Ohonua, Tonga · 1366 days ago · 10 km deep · 40 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000jlii. Read Mon, Oct 5, 2026, 2:41 PM UTC.