Tonga earthquakes

M5.0 earthquake 234 km S of ‘Ohonua, Tonga

A magnitude 5.0 earthquake struck 234 km S of ‘Ohonua, Tonga on Mon, Mar 21, 2022, 1:28 PM GMT+13 (00:28 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M5.4 240 km S 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 (mb), moderate
Local time
UTC
2022-03-21 00:28:01 UTC
Depth
10.0 km (6.2 mi), shallow
Epicenter
23.445° S, 175.150° 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 3.9 km horizontally, 1.8 km in depth
Magnitude uncertainty
±0.09
Depth from
Operator assigned
Station coverage gap
96°
Stations used
54

Nearest places

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

Nearby

Within 100 km, magnitude 2.0 and up: 7 in the 60 days after this one and 5 in the 30 days before it.

After

  1. 4.5284 km SSW of ‘Ohonua, Tonga · 1655 days ago · 10 km deep · 88 km away
  2. 4.7216 km S of ‘Ohonua, Tonga · 1654 days ago · 10 km deep · 31 km away
  3. 4.6235 km S of ‘Ohonua, Tonga · 1653 days ago · 10 km deep · 10 km away
  4. 4.8276 km S of ‘Ohonua, Tonga · 1652 days ago · 10 km deep · 42 km away
  5. 5.4240 km S of ‘Ohonua, Tonga · 1652 days ago · 10 km deep · 18 km away
  6. 5.0260 km S of ‘Ohonua, Tonga · 1652 days ago · 10 km deep · 30 km away
  7. 5.0234 km S of ‘Ohonua, Tonga · 1645 days ago · 10 km deep · 2 km away

Before

  1. 4.3Tonga region · 1655 days ago · 10 km deep · 13 km away
  2. 4.4293 km S of ‘Ohonua, Tonga · 1677 days ago · 10 km deep · 63 km away
  3. 4.5south of Tonga · 1680 days ago · 10 km deep · 70 km away
  4. 4.9230 km SSE of ‘Ohonua, Tonga · 1682 days ago · 10 km deep · 93 km away
  5. 5.2261 km SSW of ‘Ohonua, Tonga · 1684 days ago · 10 km deep · 70 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000h6cl. Read Wed, Sep 30, 2026, 12:50 PM UTC.