Tonga earthquakes

M4.4 earthquake 279 km WNW of Haveluloto, Tonga

A magnitude 4.4 earthquake struck 279 km WNW of Haveluloto, Tonga on Wed, Mar 7, 2018, 9:27 AM GMT+13 (20:27 UTC), 521 km (324 mi) below the surface.

A larger quake followed: M4.6 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
4.4 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2018-03-06 20:27:11 UTC
Depth
521.0 km (323.8 mi), deep
Epicenter
20.323° S, 177.747° 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 16.0 km horizontally, 5.5 km in depth
Magnitude uncertainty
±0.11
Depth from
From location
Station coverage gap
98°
Stations used
28

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 8 in the 30 days before it.

After

  1. 4.1Fiji region · 3123 days ago · 558 km deep · 58 km away
  2. 4.3Fiji region · 3120 days ago · 566 km deep · 100 km away
  3. 4.4282 km WNW of Haveluloto, Tonga · 3117 days ago · 559 km deep · 32 km away
  4. 4.5292 km WNW of Haveluloto, Tonga · 3113 days ago · 501 km deep · 47 km away
  5. 4.6Fiji region · 3113 days ago · 523 km deep · 36 km away
  6. 4.4270 km WNW of Haveluloto, Tonga · 3106 days ago · 514 km deep · 12 km away
  7. 4.6Fiji region · 3104 days ago · 549 km deep · 70 km away
  8. 4.5284 km WNW of Haveluloto, Tonga · 3103 days ago · 544 km deep · 51 km away
  9. 4.5261 km W of Haveluloto, Tonga · 3094 days ago · 503 km deep · 54 km away
  10. 4.4Fiji region · 3092 days ago · 546 km deep · 33 km away
  11. 4.3Fiji region · 3091 days ago · 518 km deep · 32 km away
  12. 4.1266 km WNW of Haveluloto, Tonga · 3085 days ago · 402 km deep · 21 km away
  13. 4.3241 km WNW of Haveluloto, Tonga · 3084 days ago · 527 km deep · 39 km away
  14. 4.1260 km WNW of Haveluloto, Tonga · 3084 days ago · 476 km deep · 35 km away
  15. 4.4Fiji region · 3084 days ago · 578 km deep · 89 km away
  16. 4.6196 km WNW of Haveluloto, Tonga · 3082 days ago · 304 km deep · 98 km away
  17. 4.0270 km W of Haveluloto, Tonga · 3082 days ago · 441 km deep · 66 km away
  18. 4.5261 km WNW of Haveluloto, Tonga · 3078 days ago · 490 km deep · 19 km away

Before

  1. 4.2Fiji region · 3135 days ago · 525 km deep · 83 km away
  2. 4.2Fiji region · 3144 days ago · 466 km deep · 42 km away
  3. 4.4293 km WNW of Haveluloto, Tonga · 3149 days ago · 453 km deep · 28 km away
  4. 4.1Fiji region · 3151 days ago · 546 km deep · 69 km away
  5. 4.2Fiji region · 3152 days ago · 561 km deep · 89 km away
  6. 4.2279 km WNW of Haveluloto, Tonga · 3155 days ago · 528 km deep · 7 km away
  7. 5.3Fiji region · 3159 days ago · 560 km deep · 57 km away
  8. 4.3262 km WNW of Haveluloto, Tonga · 3161 days ago · 467 km deep · 31 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us1000d4rn. Read Fri, Oct 2, 2026, 7:09 AM UTC.