Tonga earthquakes

M4.1 earthquake 231 km WNW of Haveluloto, Tonga

A magnitude 4.1 earthquake struck 231 km WNW of Haveluloto, Tonga on Wed, Jul 1, 2020, 4:13 AM GMT+13 (15:13 UTC), 496 km (308 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
4.1 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2020-06-30 15:13:41 UTC
Depth
495.9 km (308.1 mi), deep
Epicenter
20.451° S, 177.310° 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 15.3 km horizontally, 9.0 km in depth
Magnitude uncertainty
±0.12
Depth from
From location
Station coverage gap
140°
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 9 in the 30 days before it.

After

  1. 4.3Fiji region · 2281 days ago · 561 km deep · 79 km away
  2. 4.2263 km W of Haveluloto, Tonga · 2281 days ago · 484 km deep · 59 km away
  3. 4.4278 km WNW of Haveluloto, Tonga · 2281 days ago · 558 km deep · 47 km away
  4. 4.1Fiji region · 2281 days ago · 514 km deep · 83 km away
  5. 4.1287 km NW of Haveluloto, Tonga · 2280 days ago · 541 km deep · 90 km away
  6. 4.5264 km WNW of Haveluloto, Tonga · 2280 days ago · 517 km deep · 34 km away
  7. 4.3282 km WNW of Haveluloto, Tonga · 2278 days ago · 332 km deep · 73 km away
  8. 4.2249 km WNW of Haveluloto, Tonga · 2271 days ago · 496 km deep · 22 km away
  9. 4.5Fiji region · 2270 days ago · 453 km deep · 97 km away
  10. 4.3Fiji region · 2269 days ago · 547 km deep · 77 km away
  11. 4.2296 km WNW of Haveluloto, Tonga · 2267 days ago · 539 km deep · 69 km away
  12. 4.2Fiji region · 2266 days ago · 557 km deep · 93 km away
  13. 4.1Fiji region · 2266 days ago · 557 km deep · 95 km away
  14. 4.4Fiji region · 2261 days ago · 549 km deep · 100 km away
  15. 4.2273 km WNW of Haveluloto, Tonga · 2259 days ago · 547 km deep · 56 km away
  16. 4.4Fiji region · 2255 days ago · 573 km deep · 98 km away
  17. 4.0282 km WNW of Haveluloto, Tonga · 2253 days ago · 542 km deep · 52 km away
  18. 4.4Fiji region · 2242 days ago · 559 km deep · 79 km away
  19. 4.1267 km NW of Haveluloto, Tonga · 2239 days ago · 550 km deep · 83 km away
  20. 4.3267 km WNW of Haveluloto, Tonga · 2238 days ago · 502 km deep · 43 km away
  21. 4.7Fiji region · 2236 days ago · 433 km deep · 98 km away
  22. 4.1264 km WNW of Haveluloto, Tonga · 2234 days ago · 495 km deep · 45 km away
  23. 4.6288 km WNW of Haveluloto, Tonga · 2233 days ago · 558 km deep · 57 km away

Before

  1. 4.4271 km WNW of Haveluloto, Tonga · 2287 days ago · 533 km deep · 42 km away
  2. 4.3Fiji region · 2290 days ago · 549 km deep · 82 km away
  3. 4.3271 km WNW of Haveluloto, Tonga · 2292 days ago · 538 km deep · 40 km away
  4. 4.1274 km WNW of Haveluloto, Tonga · 2293 days ago · 402 km deep · 47 km away
  5. 4.1266 km W of Haveluloto, Tonga · 2294 days ago · 540 km deep · 52 km away
  6. 4.3234 km W of Haveluloto, Tonga · 2298 days ago · 291 km deep · 60 km away
  7. 4.6276 km NW of Haveluloto, Tonga · 2302 days ago · 555 km deep · 88 km away
  8. 4.3296 km WNW of Haveluloto, Tonga · 2305 days ago · 498 km deep · 66 km away
  9. 4.3281 km WNW of Haveluloto, Tonga · 2314 days ago · 496 km deep · 58 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000ajch. Read Sat, Oct 3, 2026, 3:55 PM UTC.