Tonga earthquakes

M4.9 earthquake 176 km S of ‘Ohonua, Tonga

A magnitude 4.9 earthquake struck 176 km S of ‘Ohonua, Tonga on Thu, May 22, 2025, 8:01 PM GMT+13 (07:01 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M6.0 187 km SSW 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
4.9 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2025-05-22 07:01:14 UTC
Depth
10.0 km (6.2 mi), shallow
Epicenter
22.935° S, 174.846° 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 8.1 km horizontally, 1.8 km in depth
Magnitude uncertainty
±0.11
Depth from
Operator assigned
Station coverage gap
121°
Stations used
36

Nearest places

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

Nearby

Within 100 km, magnitude 1.9 and up: 10 in the 60 days after this one and 2 in the 30 days before it.

After

  1. 6.0187 km SSW of ‘Ohonua, Tonga · 498 days ago · 48 km deep · 99 km away · felt by 5
  2. 4.8158 km SSE of ‘Ohonua, Tonga · 480 days ago · 10 km deep · 33 km away
  3. 4.7266 km S of ‘Ohonua, Tonga · 475 days ago · 10 km deep · 93 km away
  4. 4.7192 km S of ‘Ohonua, Tonga · 475 days ago · 10 km deep · 19 km away
  5. 4.3191 km S of ‘Ohonua, Tonga · 475 days ago · 10 km deep · 41 km away
  6. 4.9207 km S of ‘Ohonua, Tonga · 475 days ago · 10 km deep · 48 km away
  7. 4.7168 km SSW of ‘Ohonua, Tonga · 475 days ago · 10 km deep · 49 km away
  8. 5.1141 km S of ‘Ohonua, Tonga · 459 days ago · 10 km deep · 36 km away
  9. 4.8127 km S of ‘Ohonua, Tonga · 457 days ago · 10 km deep · 55 km away
  10. 4.9136 km SSE of ?Ohonua, Tonga · 447 days ago · 10 km deep · 50 km away

Before

  1. 4.5120 km SSW of ‘Ohonua, Tonga · 525 days ago · 35 km deep · 81 km away
  2. 5.2241 km S of ‘Ohonua, Tonga · 528 days ago · 10 km deep · 83 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000q0r2. Read Mon, Oct 5, 2026, 6:00 AM UTC.