Tonga earthquakes

M4.4 earthquake 124 km SSW of Hihifo, Tonga

A magnitude 4.4 earthquake struck 124 km SSW of Hihifo, Tonga on Sun, Aug 17, 2025, 2:13 PM GMT-12 (02:13 UTC), 124 km (77 mi) below the surface.

A larger quake followed: M4.8 87 km SSE of Hihifo, Tonga. This one was a foreshock.

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The earthquake

Magnitude
4.4 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2025-08-18 02:13:20 UTC
Depth
124.3 km (77.3 mi), intermediate-depth
Epicenter
17.054° S, 174.050° 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 14.5 km horizontally, 7.5 km in depth
Magnitude uncertainty
±0.11
Depth from
From location
Station coverage gap
122°
Stations used
25

Nearby

Within 100 km, magnitude 1.5 and up: 9 in the 60 days after this one and 5 in the 30 days before it.

After

  1. 4.3151 km SW of Hihifo, Tonga · 411 days ago · 166 km deep · 66 km away
  2. 4.3163 km SW of Hihifo, Tonga · 399 days ago · 214 km deep · 68 km away
  3. 4.4122 km NNW of Neiafu, Tonga · 386 days ago · 138 km deep · 60 km away
  4. 4.5166 km SSW of Hihifo, Tonga · 376 days ago · 207 km deep · 67 km away
  5. 4.887 km SSE of Hihifo, Tonga · 374 days ago · 38 km deep · 70 km away
  6. 4.285 km SSE of Hihifo, Tonga · 372 days ago · 35 km deep · 73 km away
  7. 4.165 km SSE of Hihifo, Tonga · 366 days ago · 38 km deep · 83 km away
  8. 4.3160 km SW of Hihifo, Tonga · 360 days ago · 177 km deep · 77 km away
  9. 4.289 km SSE of Hihifo, Tonga · 357 days ago · 77 km deep · 66 km away

Before

  1. 4.3153 km SW of Hihifo, Tonga · 419 days ago · 124 km deep · 59 km away
  2. 5.193 km SSW of Hihifo, Tonga · 420 days ago · 130 km deep · 32 km away
  3. 4.5156 km NNW of Neiafu, Tonga · 424 days ago · 156 km deep · 49 km away
  4. 4.4139 km NNE of Neiafu, Tonga · 425 days ago · 38 km deep · 56 km away
  5. 4.640 km SW of Hihifo, Tonga · 437 days ago · 74 km deep · 91 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000r1ss. Read Sun, Oct 4, 2026, 11:34 PM UTC.