Tonga earthquakes

M4.2 earthquake 186 km W of Hihifo, Tonga

A magnitude 4.2 earthquake struck 186 km W of Hihifo, Tonga on Tue, Jan 23, 2018, 12:33 PM GMT-12 (00:33 UTC), 305 km (190 mi) below the surface.

A larger quake followed: M4.8 241 km SE of Alo, Wallis and Futuna. This one was a foreshock.

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Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
4.2 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2018-01-24 00:33:58 UTC
Depth
305.5 km (189.8 mi), deep
Epicenter
15.824° S, 175.537° 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 13.6 km horizontally, 7.5 km in depth
Magnitude uncertainty
±0.09
Depth from
From location
Station coverage gap
59°
Stations used
39

Nearby

Within 100 km, magnitude 1.5 and up: 11 in the 60 days after this one and 4 in the 30 days before it.

After

  1. 4.4122 km WNW of Hihifo, Tonga · 3168 days ago · 240 km deep · 85 km away
  2. 4.2254 km W of Hihifo, Tonga · 3147 days ago · 346 km deep · 85 km away
  3. 4.1242 km W of Hihifo, Tonga · 3143 days ago · 305 km deep · 65 km away
  4. 4.399 km WNW of Hihifo, Tonga · 3143 days ago · 268 km deep · 92 km away
  5. 4.7231 km S of Mata-Utu, Wallis and Futuna · 3142 days ago · 10 km deep · 68 km away
  6. 4.7139 km WNW of Hihifo, Tonga · 3142 days ago · 254 km deep · 54 km away
  7. 4.0251 km SE of Alo, Wallis and Futuna · 3141 days ago · 357 km deep · 92 km away
  8. 4.8241 km SE of Alo, Wallis and Futuna · 3134 days ago · 35 km deep · 85 km away
  9. 4.1189 km WSW of Hihifo, Tonga · 3130 days ago · 228 km deep · 87 km away
  10. 4.8234 km S of Mata-Utu, Wallis and Futuna · 3122 days ago · 10 km deep · 67 km away
  11. 4.2196 km WNW of Hihifo, Tonga · 3114 days ago · 94 km deep · 93 km away

Before

  1. 4.3269 km W of Hihifo, Tonga · 3178 days ago · 367 km deep · 90 km away
  2. 4.2119 km W of Hihifo, Tonga · 3181 days ago · 279 km deep · 79 km away
  3. 4.2140 km WNW of Hihifo, Tonga · 3196 days ago · 250 km deep · 74 km away
  4. 4.5248 km WSW of Hihifo, Tonga · 3199 days ago · 340 km deep · 90 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us1000cehu. Read Sat, Oct 3, 2026, 1:43 AM UTC.