Tonga earthquakes

M4.3 earthquake 292 km WNW of Haveluloto, Tonga

A magnitude 4.3 earthquake struck 292 km WNW of Haveluloto, Tonga on Wed, May 23, 2018, 9:55 AM GMT+13 (20:55 UTC), 497 km (309 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
4.3 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2018-05-22 20:55:25 UTC
Depth
496.8 km (308.7 mi), deep
Epicenter
20.024° S, 177.754° 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 15.9 km horizontally, 9.4 km in depth
Magnitude uncertainty
±0.16
Depth from
From location
Station coverage gap
112°
Stations used
28

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 24 in the 60 days after this one and 10 in the 30 days before it.

After

  1. 4.5268 km W of Haveluloto, Tonga · 3053 days ago · 482 km deep · 92 km away
  2. 4.4272 km WNW of Haveluloto, Tonga · 3049 days ago · 547 km deep · 22 km away
  3. 4.8274 km WNW of Haveluloto, Tonga · 3043 days ago · 516 km deep · 51 km away
  4. 4.4Fiji region · 3042 days ago · 580 km deep · 94 km away
  5. 4.2276 km WNW of Haveluloto, Tonga · 3036 days ago · 535 km deep · 19 km away
  6. 4.3Fiji region · 3035 days ago · 553 km deep · 79 km away
  7. 4.2Fiji region · 3032 days ago · 572 km deep · 61 km away
  8. 4.4286 km WNW of Haveluloto, Tonga · 3029 days ago · 531 km deep · 35 km away
  9. 4.0297 km WNW of Haveluloto, Tonga · 3027 days ago · 428 km deep · 22 km away
  10. 4.2267 km WNW of Haveluloto, Tonga · 3025 days ago · 526 km deep · 26 km away
  11. 4.4298 km NW of Haveluloto, Tonga · 3022 days ago · 505 km deep · 49 km away
  12. 4.3268 km WNW of Haveluloto, Tonga · 3021 days ago · 544 km deep · 24 km away
  13. 4.2268 km WNW of Haveluloto, Tonga · 3021 days ago · 497 km deep · 67 km away
  14. 4.2278 km WNW of Haveluloto, Tonga · 3019 days ago · 484 km deep · 59 km away
  15. 4.2Fiji region · 3018 days ago · 555 km deep · 97 km away
  16. 4.2286 km NW of Haveluloto, Tonga · 3017 days ago · 422 km deep · 65 km away
  17. 4.4Fiji region · 3017 days ago · 542 km deep · 38 km away
  18. 4.1Fiji region · 3017 days ago · 563 km deep · 46 km away
  19. 4.6Fiji region · 3016 days ago · 521 km deep · 63 km away
  20. 4.3291 km WNW of Haveluloto, Tonga · 3015 days ago · 515 km deep · 24 km away
  21. 5.0Fiji region · 3014 days ago · 599 km deep · 85 km away
  22. 4.7298 km W of Haveluloto, Tonga · 3012 days ago · 556 km deep · 82 km away
  23. 4.2298 km NW of Haveluloto, Tonga · 3007 days ago · 563 km deep · 81 km away
  24. 4.3262 km WNW of Haveluloto, Tonga · 2996 days ago · 421 km deep · 58 km away

Before

  1. 4.3Fiji region · 3055 days ago · 525 km deep · 72 km away
  2. 4.2Fiji region · 3058 days ago · 537 km deep · 24 km away
  3. 4.7Fiji region · 3063 days ago · 524 km deep · 85 km away
  4. 4.3280 km WNW of Haveluloto, Tonga · 3063 days ago · 516 km deep · 13 km away
  5. 4.4292 km NW of Haveluloto, Tonga · 3064 days ago · 583 km deep · 67 km away
  6. 4.1Fiji region · 3064 days ago · 617 km deep · 70 km away
  7. 4.7Fiji region · 3066 days ago · 575 km deep · 74 km away
  8. 4.5261 km WNW of Haveluloto, Tonga · 3077 days ago · 490 km deep · 40 km away
  9. 4.0270 km W of Haveluloto, Tonga · 3080 days ago · 441 km deep · 99 km away
  10. 4.1260 km WNW of Haveluloto, Tonga · 3083 days ago · 476 km deep · 32 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us1000ec12. Read Thu, Oct 1, 2026, 2:54 AM UTC.