Tonga earthquakes

M4.2 earthquake 286 km NW of Haveluloto, Tonga

A magnitude 4.2 earthquake struck 286 km NW of Haveluloto, Tonga on Thu, Jun 28, 2018, 8:12 AM GMT+13 (19:12 UTC), 422 km (263 mi) below the surface.

A larger quake followed: M5.0 Fiji region. 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
4.2 (mb), light
Local time
UTC
2018-06-27 19:12:51 UTC
Depth
422.5 km (262.5 mi), deep
Epicenter
19.557° S, 177.375° 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 14.7 km horizontally, 8.0 km in depth
Magnitude uncertainty
±0.11
Depth from
From location
Station coverage gap
135°
Stations used
24

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 18 in the 60 days after this one and 11 in the 30 days before it.

After

  1. 4.3291 km WNW of Haveluloto, Tonga · 3015 days ago · 515 km deep · 89 km away
  2. 4.3Fiji region · 3009 days ago · 403 km deep · 82 km away
  3. 4.2298 km NW of Haveluloto, Tonga · 3006 days ago · 563 km deep · 18 km away
  4. 4.4Fiji region · 2991 days ago · 585 km deep · 56 km away
  5. 4.2266 km WNW of Haveluloto, Tonga · 2991 days ago · 545 km deep · 43 km away
  6. 4.3Fiji region · 2990 days ago · 431 km deep · 54 km away
  7. 4.1259 km WNW of Haveluloto, Tonga · 2989 days ago · 512 km deep · 95 km away
  8. 4.3Fiji region · 2986 days ago · 548 km deep · 31 km away
  9. 4.4Fiji region · 2986 days ago · 460 km deep · 39 km away
  10. 4.2Fiji region · 2985 days ago · 657 km deep · 97 km away
  11. 4.2Fiji region · 2980 days ago · 606 km deep · 86 km away
  12. 4.5267 km WNW of Haveluloto, Tonga · 2976 days ago · 509 km deep · 84 km away
  13. 4.3Fiji region · 2972 days ago · 599 km deep · 61 km away
  14. 4.3Fiji region · 2968 days ago · 558 km deep · 35 km away
  15. 4.4Fiji region · 2966 days ago · 590 km deep · 30 km away
  16. 4.2291 km WNW of Haveluloto, Tonga · 2965 days ago · 576 km deep · 45 km away
  17. 5.0Fiji region · 2964 days ago · 578 km deep · 97 km away
  18. 4.1264 km WNW of Haveluloto, Tonga · 2962 days ago · 531 km deep · 72 km away

Before

  1. 4.2Fiji region · 3018 days ago · 555 km deep · 42 km away
  2. 4.3Fiji region · 3018 days ago · 589 km deep · 63 km away
  3. 4.7Fiji region · 3020 days ago · 554 km deep · 92 km away
  4. 4.3268 km WNW of Haveluloto, Tonga · 3020 days ago · 544 km deep · 64 km away
  5. 4.4298 km NW of Haveluloto, Tonga · 3022 days ago · 505 km deep · 21 km away
  6. 4.2267 km WNW of Haveluloto, Tonga · 3025 days ago · 526 km deep · 62 km away
  7. 4.0297 km WNW of Haveluloto, Tonga · 3027 days ago · 428 km deep · 87 km away
  8. 4.4286 km WNW of Haveluloto, Tonga · 3029 days ago · 531 km deep · 98 km away
  9. 4.2Fiji region · 3033 days ago · 563 km deep · 62 km away
  10. 4.2276 km WNW of Haveluloto, Tonga · 3036 days ago · 535 km deep · 55 km away
  11. 4.2Fiji region · 3040 days ago · 449 km deep · 82 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us2000fw1g. Read Thu, Oct 1, 2026, 12:40 AM UTC.