Tonga earthquakes

M4.4 earthquake 219 km W of Haveluloto, Tonga

A magnitude 4.4 earthquake struck 219 km W of Haveluloto, Tonga on Thu, Sep 3, 2015, 7:50 AM GMT+13 (18:50 UTC), 542 km (337 mi) below the surface.

A larger quake followed: M4.7 263 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
4.4 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2015-09-02 18:50:10 UTC
Depth
541.9 km (336.7 mi), deep
Epicenter
21.048° S, 177.322° 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 13.9 km horizontally, 9.3 km in depth
Magnitude uncertainty
±0.13
Depth from
From location
Station coverage gap
103°
Stations used
27

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 10 in the 60 days after this one and 2 in the 30 days before it.

After

  1. 4.5282 km W of Haveluloto, Tonga · 4041 days ago · 483 km deep · 68 km away
  2. 4.7263 km WNW of Haveluloto, Tonga · 4037 days ago · 362 km deep · 90 km away
  3. 4.1248 km W of Haveluloto, Tonga · 4036 days ago · 338 km deep · 44 km away
  4. 4.3256 km WNW of Haveluloto, Tonga · 4025 days ago · 502 km deep · 93 km away
  5. 4.5150 km WNW of Haveluloto, Tonga · 4020 days ago · 251 km deep · 79 km away
  6. 4.5260 km WNW of Haveluloto, Tonga · 4015 days ago · 501 km deep · 84 km away
  7. 4.4254 km WNW of Haveluloto, Tonga · 4009 days ago · 487 km deep · 78 km away
  8. 4.5272 km WNW of Haveluloto, Tonga · 4004 days ago · 538 km deep · 68 km away
  9. 4.4251 km WNW of Haveluloto, Tonga · 4004 days ago · 486 km deep · 57 km away
  10. 4.0256 km WNW of Haveluloto, Tonga · 3997 days ago · 568 km deep · 99 km away

Before

  1. 4.3284 km WNW of Haveluloto, Tonga · 4059 days ago · 545 km deep · 85 km away
  2. 4.3281 km W of Haveluloto, Tonga · 4064 days ago · 479 km deep · 66 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us20003jn5. Read Sat, Oct 3, 2026, 10:50 AM UTC.