Tonga earthquakes

M4.0 earthquake 241 km WNW of Haveluloto, Tonga

A magnitude 4.0 earthquake struck 241 km WNW of Haveluloto, Tonga on Fri, Mar 20, 2020, 4:41 AM GMT+13 (15:41 UTC), 523 km (325 mi) below the surface.

A larger quake followed: M5.2 147 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
4.0 (mb), light
Local time
UTC
2020-03-19 15:41:50 UTC
Depth
522.7 km (324.8 mi), deep
Epicenter
20.362° S, 177.376° 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 18.4 km horizontally, 27.8 km in depth
Magnitude uncertainty
±0.15
Depth from
From location
Station coverage gap
170°
Stations used
18

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. 4.0282 km W of Haveluloto, Tonga · 2384 days ago · 499 km deep · 80 km away
  2. 4.1Fiji region · 2370 days ago · 570 km deep · 71 km away
  3. 4.1267 km WNW of Haveluloto, Tonga · 2367 days ago · 357 km deep · 26 km away
  4. 4.2275 km WNW of Haveluloto, Tonga · 2363 days ago · 546 km deep · 37 km away
  5. 4.2278 km WNW of Haveluloto, Tonga · 2362 days ago · 522 km deep · 37 km away
  6. 4.1265 km WNW of Haveluloto, Tonga · 2360 days ago · 503 km deep · 35 km away
  7. 4.1212 km W of Haveluloto, Tonga · 2358 days ago · 533 km deep · 66 km away
  8. 4.2230 km NW of Haveluloto, Tonga · 2353 days ago · 570 km deep · 55 km away
  9. 4.2295 km WNW of Haveluloto, Tonga · 2352 days ago · 609 km deep · 60 km away
  10. 4.2289 km WNW of Haveluloto, Tonga · 2350 days ago · 540 km deep · 62 km away
  11. 4.4289 km WNW of Haveluloto, Tonga · 2348 days ago · 546 km deep · 48 km away
  12. 4.4238 km WNW of Haveluloto, Tonga · 2342 days ago · 360 km deep · 20 km away
  13. 4.4274 km WNW of Haveluloto, Tonga · 2341 days ago · 506 km deep · 42 km away
  14. 4.3Fiji region · 2338 days ago · 520 km deep · 75 km away
  15. 4.3Fiji region · 2336 days ago · 625 km deep · 86 km away
  16. 4.1278 km W of Haveluloto, Tonga · 2331 days ago · 441 km deep · 69 km away
  17. 4.5279 km WNW of Haveluloto, Tonga · 2331 days ago · 505 km deep · 38 km away
  18. 4.6287 km W of Haveluloto, Tonga · 2330 days ago · 480 km deep · 70 km away
  19. 5.2147 km WNW of Haveluloto, Tonga · 2329 days ago · 243 km deep · 95 km away
  20. 4.3Fiji region · 2327 days ago · 548 km deep · 72 km away
  21. 4.2299 km WNW of Haveluloto, Tonga · 2325 days ago · 496 km deep · 61 km away

Before

  1. 4.5279 km WNW of Haveluloto, Tonga · 2386 days ago · 524 km deep · 44 km away
  2. 4.5262 km WNW of Haveluloto, Tonga · 2388 days ago · 515 km deep · 21 km away
  3. 4.1254 km W of Haveluloto, Tonga · 2390 days ago · 464 km deep · 56 km away
  4. 4.2255 km WNW of Haveluloto, Tonga · 2393 days ago · 511 km deep · 22 km away
  5. 4.3275 km WNW of Haveluloto, Tonga · 2394 days ago · 545 km deep · 54 km away
  6. 4.4288 km WNW of Haveluloto, Tonga · 2395 days ago · 541 km deep · 72 km away
  7. 4.5Fiji region · 2396 days ago · 560 km deep · 65 km away
  8. 4.2Fiji region · 2397 days ago · 570 km deep · 95 km away
  9. 4.9Fiji region · 2402 days ago · 537 km deep · 97 km away
  10. 4.2293 km WNW of Haveluloto, Tonga · 2405 days ago · 474 km deep · 52 km away
  11. 4.2268 km W of Haveluloto, Tonga · 2405 days ago · 520 km deep · 77 km away
  12. 4.3297 km WNW of Haveluloto, Tonga · 2407 days ago · 520 km deep · 60 km away
  13. 4.4297 km WNW of Haveluloto, Tonga · 2408 days ago · 539 km deep · 59 km away
  14. 4.1271 km WNW of Haveluloto, Tonga · 2414 days ago · 524 km deep · 35 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us70008gzi. Read Tue, Sep 29, 2026, 12:45 AM UTC.