Tonga earthquakes

M4.2 earthquake 256 km W of Haveluloto, Tonga

A magnitude 4.2 earthquake struck 256 km W of Haveluloto, Tonga on Fri, Oct 16, 2020, 11:41 AM GMT+13 (22:41 UTC), 452 km (281 mi) below the surface.

A larger quake followed: M5.7 267 km WNW of Haveluloto, Tonga. 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), light
Local time
UTC
2020-10-15 22:41:35 UTC
Depth
452.1 km (280.9 mi), deep
Epicenter
20.771° 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 14.1 km horizontally, 9.1 km in depth
Magnitude uncertainty
±0.10
Depth from
From location
Station coverage gap
102°
Stations used
38

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 15 in the 60 days after this one and 11 in the 30 days before it.

After

  1. 4.1Fiji region · 2173 days ago · 591 km deep · 81 km away
  2. 4.2267 km WNW of Haveluloto, Tonga · 2173 days ago · 555 km deep · 75 km away
  3. 4.3249 km WNW of Haveluloto, Tonga · 2162 days ago · 510 km deep · 29 km away
  4. 5.3Fiji region · 2161 days ago · 575 km deep · 94 km away
  5. 4.3Fiji region · 2161 days ago · 587 km deep · 95 km away
  6. 4.1269 km WNW of Haveluloto, Tonga · 2160 days ago · 499 km deep · 29 km away
  7. 5.7267 km WNW of Haveluloto, Tonga · 2157 days ago · 388 km deep · 89 km away
  8. 4.3264 km WNW of Haveluloto, Tonga · 2138 days ago · 546 km deep · 82 km away
  9. 4.3Fiji region · 2135 days ago · 570 km deep · 63 km away
  10. 4.1282 km WNW of Haveluloto, Tonga · 2132 days ago · 510 km deep · 59 km away
  11. 4.5Fiji region · 2130 days ago · 567 km deep · 78 km away
  12. 4.2Fiji region · 2126 days ago · 555 km deep · 70 km away
  13. 4.3270 km WNW of Haveluloto, Tonga · 2120 days ago · 524 km deep · 44 km away
  14. 4.1289 km W of Haveluloto, Tonga · 2120 days ago · 465 km deep · 33 km away
  15. 4.3Fiji region · 2119 days ago · 573 km deep · 80 km away

Before

  1. 4.1265 km W of Haveluloto, Tonga · 2179 days ago · 534 km deep · 23 km away
  2. 4.0295 km W of Haveluloto, Tonga · 2180 days ago · 507 km deep · 39 km away
  3. 4.2Fiji region · 2183 days ago · 603 km deep · 85 km away
  4. 4.1293 km W of Haveluloto, Tonga · 2184 days ago · 506 km deep · 36 km away
  5. 4.2253 km W of Haveluloto, Tonga · 2184 days ago · 398 km deep · 15 km away
  6. 4.2295 km WNW of Haveluloto, Tonga · 2190 days ago · 404 km deep · 77 km away
  7. 4.1266 km W of Haveluloto, Tonga · 2192 days ago · 568 km deep · 18 km away
  8. 4.1268 km WNW of Haveluloto, Tonga · 2198 days ago · 526 km deep · 24 km away
  9. 4.2Fiji region · 2201 days ago · 589 km deep · 89 km away
  10. 4.2276 km WNW of Haveluloto, Tonga · 2201 days ago · 537 km deep · 71 km away
  11. 4.4276 km W of Haveluloto, Tonga · 2203 days ago · 350 km deep · 94 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000c8m7. Read Wed, Sep 30, 2026, 12:45 PM UTC.