Tonga earthquakes

M4.2 earthquake 267 km WNW of Haveluloto, Tonga

A magnitude 4.2 earthquake struck 267 km WNW of Haveluloto, Tonga on Mon, Oct 19, 2020, 4:24 AM GMT+13 (15:24 UTC), 555 km (345 mi) below the surface.

A larger quake followed: M6.0 291 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
2020-10-18 15:24:36 UTC
Depth
554.6 km (344.6 mi), deep
Epicenter
20.102° S, 177.524° 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 12.6 km horizontally, 8.5 km in depth
Magnitude uncertainty
±0.09
Depth from
From location
Station coverage gap
69°
Stations used
42

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 18 in the 60 days after this one and 12 in the 30 days before it.

After

  1. 4.0Fiji region · 2161 days ago · 596 km deep · 74 km away
  2. 4.3249 km WNW of Haveluloto, Tonga · 2161 days ago · 510 km deep · 49 km away
  3. 4.1269 km WNW of Haveluloto, Tonga · 2159 days ago · 499 km deep · 50 km away
  4. 5.7267 km WNW of Haveluloto, Tonga · 2156 days ago · 388 km deep · 14 km away
  5. 4.0277 km NW of Haveluloto, Tonga · 2149 days ago · 405 km deep · 39 km away
  6. 6.0291 km WNW of Haveluloto, Tonga · 2148 days ago · 417 km deep · 43 km away
  7. 4.3Fiji region · 2141 days ago · 542 km deep · 92 km away
  8. 4.3264 km WNW of Haveluloto, Tonga · 2137 days ago · 546 km deep · 8 km away
  9. 4.3Fiji region · 2134 days ago · 570 km deep · 63 km away
  10. 4.1282 km WNW of Haveluloto, Tonga · 2131 days ago · 510 km deep · 29 km away
  11. 4.2Fiji region · 2125 days ago · 555 km deep · 48 km away
  12. 4.0286 km WNW of Haveluloto, Tonga · 2124 days ago · 396 km deep · 32 km away
  13. 4.3270 km WNW of Haveluloto, Tonga · 2119 days ago · 524 km deep · 34 km away
  14. 4.1289 km W of Haveluloto, Tonga · 2118 days ago · 465 km deep · 87 km away
  15. 4.4Fiji region · 2113 days ago · 610 km deep · 81 km away
  16. 4.3Fiji region · 2112 days ago · 544 km deep · 69 km away
  17. 4.5Fiji region · 2112 days ago · 544 km deep · 80 km away
  18. 4.3Fiji region · 2112 days ago · 568 km deep · 95 km away

Before

  1. 4.1Fiji region · 2172 days ago · 591 km deep · 63 km away
  2. 4.2256 km W of Haveluloto, Tonga · 2174 days ago · 452 km deep · 75 km away
  3. 4.1265 km W of Haveluloto, Tonga · 2178 days ago · 534 km deep · 97 km away
  4. 4.0295 km W of Haveluloto, Tonga · 2178 days ago · 507 km deep · 82 km away
  5. 4.4290 km NW of Haveluloto, Tonga · 2180 days ago · 544 km deep · 52 km away
  6. 4.1293 km W of Haveluloto, Tonga · 2183 days ago · 506 km deep · 82 km away
  7. 4.2253 km W of Haveluloto, Tonga · 2183 days ago · 398 km deep · 90 km away
  8. 4.5Fiji region · 2189 days ago · 503 km deep · 93 km away
  9. 4.2295 km WNW of Haveluloto, Tonga · 2189 days ago · 404 km deep · 31 km away
  10. 4.1266 km W of Haveluloto, Tonga · 2191 days ago · 568 km deep · 91 km away
  11. 4.1268 km WNW of Haveluloto, Tonga · 2197 days ago · 526 km deep · 55 km away
  12. 4.2276 km WNW of Haveluloto, Tonga · 2200 days ago · 537 km deep · 12 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000cbgx. Read Tue, Sep 29, 2026, 8:16 AM UTC.