Tonga earthquakes

M4.4 earthquake 36 km NNW of Hihifo, Tonga

A magnitude 4.4 earthquake struck 36 km NNW of Hihifo, Tonga on Mon, Oct 17, 2016, 5:31 PM GMT+14 (03:31 UTC), 102 km (63 mi) below the surface.

A larger quake followed: M5.0 73 km E 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
4.4 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2016-10-17 03:31:07 UTC
Depth
101.7 km (63.2 mi), intermediate-depth
Epicenter
15.644° S, 173.912° 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 11.4 km horizontally, 12.1 km in depth
Magnitude uncertainty
±0.15
Depth from
From location
Station coverage gap
180°
Stations used
19

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 5 in the 30 days before it.

After

  1. 4.282 km NNW of Hihifo, Tonga · 3630 days ago · 102 km deep · 47 km away
  2. 4.511 km NNW of Hihifo, Tonga · 3628 days ago · 80 km deep · 25 km away
  3. 4.457 km NE of Hihifo, Tonga · 3628 days ago · 57 km deep · 51 km away
  4. 4.7125 km N of Hihifo, Tonga · 3622 days ago · 10 km deep · 91 km away
  5. 5.073 km E of Hihifo, Tonga · 3616 days ago · 10 km deep · 94 km away
  6. 4.7123 km N of Hihifo, Tonga · 3610 days ago · 14 km deep · 94 km away
  7. 4.5119 km WNW of Hihifo, Tonga · 3602 days ago · 56 km deep · 93 km away
  8. 4.534 km WSW of Hihifo, Tonga · 3599 days ago · 133 km deep · 49 km away
  9. 4.731 km SW of Hihifo, Tonga · 3587 days ago · 10 km deep · 60 km away
  10. 4.6115 km NNE of Hihifo, Tonga · 3581 days ago · 23 km deep · 87 km away

Before

  1. 4.039 km NW of Hihifo, Tonga · 3642 days ago · 136 km deep · 22 km away
  2. 5.0118 km NNW of Hihifo, Tonga · 3649 days ago · 10 km deep · 83 km away
  3. 4.1106 km NNE of Hihifo, Tonga · 3651 days ago · 32 km deep · 84 km away
  4. 4.298 km NNE of Hihifo, Tonga · 3657 days ago · 10 km deep · 79 km away
  5. 5.241 km W of Hihifo, Tonga · 3660 days ago · 126 km deep · 50 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us20007fwt. Read Mon, Oct 5, 2026, 11:57 AM UTC.