Tonga earthquakes

M4.3 earthquake 262 km WNW of Haveluloto, Tonga

A magnitude 4.3 earthquake struck 262 km WNW of Haveluloto, Tonga on Thu, Jul 19, 2018, 6:17 AM GMT+13 (17:17 UTC), 421 km (261 mi) below the surface.

A larger quake followed: M4.7 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
4.3 (mb), light
Local time
UTC
2018-07-18 17:17:02 UTC
Depth
420.6 km (261.3 mi), deep
Epicenter
20.534° S, 177.647° 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 13.8 km horizontally, 12.1 km in depth
Magnitude uncertainty
±0.11
Depth from
From location
Station coverage gap
100°
Stations used
31

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 11 in the 30 days before it.

After

  1. 4.2266 km WNW of Haveluloto, Tonga · 2991 days ago · 545 km deep · 70 km away
  2. 4.3Fiji region · 2990 days ago · 431 km deep · 77 km away
  3. 4.1259 km WNW of Haveluloto, Tonga · 2989 days ago · 512 km deep · 18 km away
  4. 4.2Fiji region · 2985 days ago · 657 km deep · 100 km away
  5. 4.5267 km WNW of Haveluloto, Tonga · 2976 days ago · 509 km deep · 29 km away
  6. 4.3Fiji region · 2972 days ago · 599 km deep · 87 km away
  7. 4.5Fiji region · 2970 days ago · 543 km deep · 65 km away
  8. 4.5249 km W of Haveluloto, Tonga · 2970 days ago · 410 km deep · 58 km away
  9. 4.1298 km WNW of Haveluloto, Tonga · 2966 days ago · 521 km deep · 41 km away
  10. 4.2291 km WNW of Haveluloto, Tonga · 2965 days ago · 576 km deep · 74 km away
  11. 4.4Fiji region · 2964 days ago · 542 km deep · 52 km away
  12. 4.1264 km WNW of Haveluloto, Tonga · 2962 days ago · 531 km deep · 41 km away
  13. 4.3278 km WNW of Haveluloto, Tonga · 2959 days ago · 480 km deep · 26 km away
  14. 4.3Fiji region · 2954 days ago · 316 km deep · 72 km away
  15. 4.2262 km WNW of Haveluloto, Tonga · 2954 days ago · 508 km deep · 48 km away
  16. 4.4247 km WNW of Haveluloto, Tonga · 2953 days ago · 504 km deep · 16 km away
  17. 4.0Fiji region · 2951 days ago · 554 km deep · 49 km away
  18. 4.2Fiji region · 2950 days ago · 603 km deep · 68 km away
  19. 4.1276 km NW of Haveluloto, Tonga · 2950 days ago · 533 km deep · 91 km away
  20. 4.7Fiji region · 2947 days ago · 548 km deep · 94 km away
  21. 4.2Fiji region · 2943 days ago · 585 km deep · 79 km away
  22. 4.2Fiji region · 2942 days ago · 422 km deep · 84 km away
  23. 4.2256 km WNW of Haveluloto, Tonga · 2938 days ago · 524 km deep · 23 km away

Before

  1. 4.7214 km W of Haveluloto, Tonga · 3000 days ago · 322 km deep · 53 km away
  2. 4.7298 km W of Haveluloto, Tonga · 3011 days ago · 556 km deep · 46 km away
  3. 5.0Fiji region · 3014 days ago · 599 km deep · 86 km away
  4. 4.3291 km WNW of Haveluloto, Tonga · 3015 days ago · 515 km deep · 39 km away
  5. 4.6Fiji region · 3015 days ago · 521 km deep · 62 km away
  6. 4.1Fiji region · 3017 days ago · 563 km deep · 56 km away
  7. 4.4Fiji region · 3017 days ago · 542 km deep · 53 km away
  8. 4.2278 km WNW of Haveluloto, Tonga · 3019 days ago · 484 km deep · 17 km away
  9. 4.2268 km WNW of Haveluloto, Tonga · 3020 days ago · 497 km deep · 13 km away
  10. 4.3268 km WNW of Haveluloto, Tonga · 3020 days ago · 544 km deep · 49 km away
  11. 4.2267 km WNW of Haveluloto, Tonga · 3025 days ago · 526 km deep · 50 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us2000gbw7. Read Wed, Sep 30, 2026, 10:00 PM UTC.