Tonga earthquakes

M4.6 earthquake 68 km N of Hihifo, Tonga

A magnitude 4.6 earthquake struck 68 km N of Hihifo, Tonga on Sun, Jul 10, 2016, 10:42 AM GMT+13 (21:42 UTC), 67 km (41 mi) below the surface.

A larger quake followed: M6.0 115 km NNE of Hihifo, Tonga. This one was a foreshock.

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Map

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

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The earthquake

Magnitude
4.6 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2016-07-09 21:42:07 UTC
Depth
66.6 km (41.4 mi), shallow
Epicenter
15.337° S, 173.875° 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 7.4 km horizontally, 10.1 km in depth
Magnitude uncertainty
±0.15
Depth from
From location
Station coverage gap
103°
Stations used
19

Nearest places

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

Nearby

Within 100 km, magnitude 1.6 and up: 6 in the 60 days after this one and 6 in the 30 days before it.

After

  1. 6.0115 km NNE of Hihifo, Tonga · 3738 days ago · 8 km deep · 78 km away
  2. 5.992 km N of Hihifo, Tonga · 3725 days ago · 37 km deep · 32 km away · felt by 10
  3. 4.888 km NE of Hihifo, Tonga · 3721 days ago · 21 km deep · 77 km away
  4. 4.7104 km NNE of Hihifo, Tonga · 3702 days ago · 10 km deep · 66 km away
  5. 4.462 km N of Hihifo, Tonga · 3701 days ago · 10 km deep · 6 km away
  6. 4.432 km WSW of Hihifo, Tonga · 3683 days ago · 116 km deep · 84 km away

Before

  1. 4.414 km N of Hihifo, Tonga · 3739 days ago · 70 km deep · 54 km away
  2. 4.6135 km NNE of Hihifo, Tonga · 3746 days ago · 30 km deep · 90 km away
  3. 4.687 km NE of Hihifo, Tonga · 3747 days ago · 20 km deep · 73 km away
  4. 4.544 km WNW of Hihifo, Tonga · 3755 days ago · 176 km deep · 53 km away
  5. 4.5103 km NE of Hihifo, Tonga · 3765 days ago · 10 km deep · 84 km away
  6. 4.468 km NNW of Hihifo, Tonga · 3766 days ago · 70 km deep · 20 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us20006ewh. Read Sun, Oct 4, 2026, 7:52 PM UTC.