Tonga earthquakes

M5.0 earthquake 85 km E of ‘Ohonua, Tonga

A magnitude 5.0 earthquake struck 85 km E of ‘Ohonua, Tonga on Fri, Jan 20, 2023, 6:52 AM GMT+13 (17:52 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M5.3 121 km ESE of ?Ohonua, Tonga. 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
5.0 (Mww, W-phase moment), moderate
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2023-01-19 17:52:44 UTC
Depth
10.0 km (6.2 mi), shallow
Epicenter
21.377° S, 174.130° 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 4.5 km horizontally, 1.7 km in depth
Magnitude uncertainty
±0.10
Depth from
Operator assigned
Station coverage gap
69°
Stations used
51

Nearest places

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

Nearby

Within 100 km, magnitude 2.0 and up: 8 in the 60 days after this one and 6 in the 30 days before it.

After

  1. 5.0102 km NE of ‘Ohonua, Tonga · 1350 days ago · 19 km deep · 62 km away
  2. 4.2134 km SSE of Pangai, Tonga · 1350 days ago · 10 km deep · 69 km away
  3. 4.2Tonga region · 1349 days ago · 10 km deep · 89 km away
  4. 5.3121 km ESE of ?Ohonua, Tonga · 1337 days ago · 10 km deep · 57 km away · felt by 1
  5. 4.9115 km ESE of ‘Ohonua, Tonga · 1336 days ago · 10 km deep · 49 km away
  6. 4.788 km E of ‘Ohonua, Tonga · 1311 days ago · 10 km deep · 14 km away
  7. 4.698 km E of ‘Ohonua, Tonga · 1311 days ago · 10 km deep · 14 km away
  8. 4.5118 km E of ‘Ohonua, Tonga · 1298 days ago · 10 km deep · 35 km away

Before

  1. 4.3110 km E of ‘Ohonua, Tonga · 1364 days ago · 10 km deep · 25 km away
  2. 5.465 km SSE of ‘Ohonua, Tonga · 1373 days ago · 23 km deep · 87 km away · felt by 1
  3. 4.380 km SSE of ‘Ohonua, Tonga · 1377 days ago · 10 km deep · 84 km away
  4. 4.694 km SSE of ‘Ohonua, Tonga · 1377 days ago · 10 km deep · 94 km away
  5. 5.5Tonga region · 1377 days ago · 10 km deep · 80 km away · felt by 2
  6. 4.378 km E of ‘Ohonua, Tonga · 1382 days ago · 10 km deep · 10 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000j5km. Read Sat, Oct 3, 2026, 1:36 PM UTC.