Tonga earthquakes

M5.4 earthquake 282 km SW of Vaini, Tonga

A magnitude 5.4 earthquake struck 282 km SW of Vaini, Tonga on Sat, Sep 6, 1986, 9:52 PM GMT+13 (08:52 UTC), 122 km (76 mi) below the surface.

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Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
5.4 (mw), moderate
Local time
UTC
1986-09-06 08:52:25 UTC
Depth
122.0 km (75.8 mi), intermediate-depth
Epicenter
23.280° S, 176.745° 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.

Nearest places

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

Nearby

Within 100 km, magnitude 2.4 and up: 1 in the 60 days after this one and 8 in the 30 days before it.

After

  1. 5.4284 km SW of Vaini, Tonga · 14625 days ago · 190 km deep · 44 km away

Before

  1. 5.0south of the Fiji Islands · 14638 days ago · 33 km deep · 84 km away
  2. 5.5south of the Fiji Islands · 14639 days ago · 33 km deep · 83 km away
  3. 5.4south of the Fiji Islands · 14639 days ago · 33 km deep · 95 km away
  4. 5.1south of the Fiji Islands · 14646 days ago · 33 km deep · 87 km away
  5. 5.1south of the Fiji Islands · 14648 days ago · 72 km deep · 97 km away
  6. 5.0south of the Fiji Islands · 14648 days ago · 55 km deep · 89 km away
  7. 4.7south of the Fiji Islands · 14649 days ago · 33 km deep · 59 km away
  8. 5.4south of the Fiji Islands · 14651 days ago · 33 km deep · 91 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp0002xvm (also filed as gcmtb090686b, gcmt19860906085231, iscgem485918). Read Tue, Sep 22, 2026, 7:17 AM UTC.