Tonga earthquakes

M3.9 earthquake 77 km WNW of Neiafu, Tonga

A magnitude 3.9 earthquake struck 77 km WNW of Neiafu, Tonga on Tue, Mar 8, 2016, 12:24 PM GMT+13 (23:24 UTC), 108 km (67 mi) below the surface.

A larger quake followed: M4.8 51 km N of Neiafu, 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
3.9 (mb, body-wave), minor
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2016-03-07 23:24:04 UTC
Depth
108.3 km (67.3 mi), intermediate-depth
Epicenter
18.376° S, 174.661° 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.

Did You Feel It? map: shaking reported by the public
Shaking reported by the public, by area. Map: USGS Did You Feel It?

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 11.3 km horizontally, 10.4 km in depth
Magnitude uncertainty
±0.21
Depth from
From location
Station coverage gap
133°
Stations used
14

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 7 in the 60 days after this one and 5 in the 30 days before it.

After

  1. 4.4132 km W of Neiafu, Tonga · 3851 days ago · 248 km deep · 71 km away
  2. 4.851 km N of Neiafu, Tonga · 3842 days ago · 35 km deep · 82 km away
  3. 4.551 km NNE of Neiafu, Tonga · 3841 days ago · 10 km deep · 88 km away
  4. 4.8144 km WNW of Neiafu, Tonga · 3833 days ago · 214 km deep · 68 km away
  5. 4.2124 km W of Neiafu, Tonga · 3829 days ago · 217 km deep · 54 km away
  6. 4.631 km NNE of Neiafu, Tonga · 3823 days ago · 10 km deep · 88 km away
  7. 4.2153 km NW of Pangai, Tonga · 3819 days ago · 185 km deep · 99 km away

Before

  1. 5.267 km WNW of Neiafu, Tonga · 3870 days ago · 90 km deep · 18 km away · felt by 2
  2. 4.767 km NW of Neiafu, Tonga · 3873 days ago · 78 km deep · 26 km away
  3. 4.528 km NE of Neiafu, Tonga · 3874 days ago · 35 km deep · 94 km away
  4. 4.8127 km WNW of Neiafu, Tonga · 3883 days ago · 247 km deep · 51 km away
  5. 4.3108 km NW of Neiafu, Tonga · 3890 days ago · 200 km deep · 38 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us10004wk2. Read Sun, Oct 4, 2026, 3:20 PM UTC.