Tonga earthquakes

M4.2 earthquake 273 km WNW of Haveluloto, Tonga

A magnitude 4.2 earthquake struck 273 km WNW of Haveluloto, Tonga on Mon, Jul 27, 2020, 9:30 PM GMT+13 (08:30 UTC), 547 km (340 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
4.2 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2020-07-27 08:30:16 UTC
Depth
547.0 km (339.9 mi), deep
Epicenter
20.000° S, 177.536° 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, 9.1 km in depth
Magnitude uncertainty
±0.12
Depth from
From location
Station coverage gap
96°
Stations used
27

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 21 in the 60 days after this one and 14 in the 30 days before it.

After

  1. 4.4Fiji region · 2254 days ago · 573 km deep · 88 km away
  2. 4.0282 km WNW of Haveluloto, Tonga · 2253 days ago · 542 km deep · 48 km away
  3. 4.5Fiji region · 2252 days ago · 571 km deep · 59 km away
  4. 4.0Fiji region · 2246 days ago · 579 km deep · 87 km away
  5. 4.4Fiji region · 2241 days ago · 559 km deep · 45 km away
  6. 4.1267 km NW of Haveluloto, Tonga · 2239 days ago · 550 km deep · 44 km away
  7. 4.3267 km WNW of Haveluloto, Tonga · 2237 days ago · 502 km deep · 64 km away
  8. 4.7Fiji region · 2235 days ago · 433 km deep · 43 km away
  9. 4.0Fiji region · 2235 days ago · 565 km deep · 72 km away
  10. 4.1264 km WNW of Haveluloto, Tonga · 2233 days ago · 495 km deep · 72 km away
  11. 4.6288 km WNW of Haveluloto, Tonga · 2232 days ago · 558 km deep · 47 km away
  12. 4.1Fiji region · 2230 days ago · 533 km deep · 75 km away
  13. 4.0Fiji region · 2230 days ago · 578 km deep · 64 km away
  14. 4.4Fiji region · 2229 days ago · 590 km deep · 79 km away
  15. 4.2Fiji region · 2226 days ago · 567 km deep · 81 km away
  16. 4.4259 km WNW of Haveluloto, Tonga · 2223 days ago · 492 km deep · 30 km away
  17. 4.2284 km W of Haveluloto, Tonga · 2222 days ago · 499 km deep · 87 km away
  18. 4.2293 km WNW of Haveluloto, Tonga · 2222 days ago · 545 km deep · 22 km away
  19. 4.5258 km WNW of Haveluloto, Tonga · 2209 days ago · 513 km deep · 57 km away
  20. 4.2276 km WNW of Haveluloto, Tonga · 2204 days ago · 537 km deep · 18 km away
  21. 4.1268 km WNW of Haveluloto, Tonga · 2200 days ago · 526 km deep · 66 km away

Before

  1. 4.4Fiji region · 2260 days ago · 549 km deep · 91 km away
  2. 4.4Fiji region · 2260 days ago · 548 km deep · 96 km away
  3. 4.2296 km WNW of Haveluloto, Tonga · 2266 days ago · 539 km deep · 70 km away
  4. 4.3Fiji region · 2269 days ago · 547 km deep · 46 km away
  5. 4.2249 km WNW of Haveluloto, Tonga · 2271 days ago · 496 km deep · 57 km away
  6. 4.3282 km WNW of Haveluloto, Tonga · 2277 days ago · 332 km deep · 19 km away
  7. 4.5264 km WNW of Haveluloto, Tonga · 2280 days ago · 517 km deep · 50 km away
  8. 4.1287 km NW of Haveluloto, Tonga · 2280 days ago · 541 km deep · 40 km away
  9. 4.1Fiji region · 2280 days ago · 514 km deep · 80 km away
  10. 4.4278 km WNW of Haveluloto, Tonga · 2281 days ago · 558 km deep · 40 km away
  11. 4.2263 km W of Haveluloto, Tonga · 2281 days ago · 484 km deep · 92 km away
  12. 4.3Fiji region · 2281 days ago · 561 km deep · 75 km away
  13. 4.1231 km WNW of Haveluloto, Tonga · 2286 days ago · 496 km deep · 56 km away
  14. 4.4271 km WNW of Haveluloto, Tonga · 2287 days ago · 533 km deep · 52 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000b6vq. Read Sat, Oct 3, 2026, 6:06 AM UTC.