Tonga earthquakes

M4.0 earthquake 297 km WNW of Haveluloto, Tonga

A magnitude 4.0 earthquake struck 297 km WNW of Haveluloto, Tonga on Mon, Jun 18, 2018, 2:32 PM GMT+13 (01:32 UTC), 428 km (266 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
4.0 (mb), light
Local time
UTC
2018-06-18 01:32:57 UTC
Depth
428.1 km (266.0 mi), deep
Epicenter
20.184° S, 177.876° 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 14.3 km horizontally, 10.0 km in depth
Magnitude uncertainty
±0.13
Depth from
From location
Station coverage gap
90°
Stations used
23

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 23 in the 60 days after this one and 10 in the 30 days before it.

After

  1. 4.2267 km WNW of Haveluloto, Tonga · 3024 days ago · 526 km deep · 38 km away
  2. 4.4298 km NW of Haveluloto, Tonga · 3021 days ago · 505 km deep · 71 km away
  3. 4.3268 km WNW of Haveluloto, Tonga · 3019 days ago · 544 km deep · 36 km away
  4. 4.2268 km WNW of Haveluloto, Tonga · 3019 days ago · 497 km deep · 51 km away
  5. 4.2278 km WNW of Haveluloto, Tonga · 3018 days ago · 484 km deep · 41 km away
  6. 4.2286 km NW of Haveluloto, Tonga · 3016 days ago · 422 km deep · 87 km away
  7. 4.4Fiji region · 3016 days ago · 542 km deep · 19 km away
  8. 4.1Fiji region · 3016 days ago · 563 km deep · 26 km away
  9. 4.6Fiji region · 3014 days ago · 521 km deep · 42 km away
  10. 4.3291 km WNW of Haveluloto, Tonga · 3014 days ago · 515 km deep · 7 km away
  11. 5.0Fiji region · 3013 days ago · 599 km deep · 66 km away
  12. 4.7298 km W of Haveluloto, Tonga · 3010 days ago · 556 km deep · 61 km away
  13. 4.7214 km W of Haveluloto, Tonga · 2999 days ago · 322 km deep · 98 km away
  14. 4.3262 km WNW of Haveluloto, Tonga · 2995 days ago · 421 km deep · 46 km away
  15. 4.4Fiji region · 2990 days ago · 585 km deep · 63 km away
  16. 4.2266 km WNW of Haveluloto, Tonga · 2990 days ago · 545 km deep · 55 km away
  17. 4.3Fiji region · 2989 days ago · 431 km deep · 38 km away
  18. 4.1259 km WNW of Haveluloto, Tonga · 2988 days ago · 512 km deep · 39 km away
  19. 4.4Fiji region · 2984 days ago · 460 km deep · 68 km away
  20. 4.2Fiji region · 2984 days ago · 657 km deep · 55 km away
  21. 4.5267 km WNW of Haveluloto, Tonga · 2975 days ago · 509 km deep · 30 km away
  22. 4.3Fiji region · 2971 days ago · 599 km deep · 44 km away
  23. 4.5Fiji region · 2969 days ago · 543 km deep · 45 km away

Before

  1. 4.4286 km WNW of Haveluloto, Tonga · 3028 days ago · 531 km deep · 18 km away
  2. 4.2Fiji region · 3031 days ago · 572 km deep · 42 km away
  3. 4.3Fiji region · 3034 days ago · 553 km deep · 57 km away
  4. 4.2276 km WNW of Haveluloto, Tonga · 3034 days ago · 535 km deep · 37 km away
  5. 4.4Fiji region · 3040 days ago · 580 km deep · 72 km away
  6. 4.8274 km WNW of Haveluloto, Tonga · 3041 days ago · 516 km deep · 36 km away
  7. 4.4272 km WNW of Haveluloto, Tonga · 3047 days ago · 547 km deep · 38 km away
  8. 4.5268 km W of Haveluloto, Tonga · 3052 days ago · 482 km deep · 75 km away
  9. 4.3292 km WNW of Haveluloto, Tonga · 3052 days ago · 497 km deep · 22 km away
  10. 4.3Fiji region · 3054 days ago · 525 km deep · 50 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us1000eynl. Read Tue, Sep 29, 2026, 8:17 PM UTC.