Tonga earthquakes

M4.1 earthquake 87 km NE of Hihifo, Tonga

A magnitude 4.1 earthquake struck 87 km NE of Hihifo, Tonga on Mon, Jul 10, 2017, 9:14 PM GMT+13 (08:14 UTC), 127 km (79 mi) below the surface.

A larger quake followed: M5.7 137 km SW of Gataivai, Samoa. 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
4.1 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2017-07-10 08:14:45 UTC
Depth
127.0 km (78.9 mi), intermediate-depth
Epicenter
15.331° S, 173.294° 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, 16.0 km in depth
Magnitude uncertainty
±0.16
Depth from
From location
Station coverage gap
128°
Stations used
16

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 9 in the 60 days after this one and 7 in the 30 days before it.

After

  1. 4.2162 km SSW of Lotofag?, Samoa · 3356 days ago · 10 km deep · 95 km away
  2. 4.4142 km NE of Hihifo, Tonga · 3354 days ago · 10 km deep · 57 km away
  3. 4.587 km NE of Hihifo, Tonga · 3352 days ago · 10 km deep · 24 km away
  4. 5.7137 km SW of Gataivai, Samoa · 3336 days ago · 8 km deep · 62 km away
  5. 4.679 km NE of Hihifo, Tonga · 3335 days ago · 10 km deep · 14 km away
  6. 4.5114 km NE of Hihifo, Tonga · 3331 days ago · 10 km deep · 27 km away
  7. 4.536 km NNW of Hihifo, Tonga · 3327 days ago · 112 km deep · 83 km away
  8. 4.5122 km E of Hihifo, Tonga · 3322 days ago · 10 km deep · 84 km away
  9. 5.161 km NNE of Hihifo, Tonga · 3313 days ago · 72 km deep · 41 km away · felt by 1

Before

  1. 4.287 km NNW of Hihifo, Tonga · 3372 days ago · 10 km deep · 75 km away
  2. 4.5117 km NE of Hihifo, Tonga · 3379 days ago · 35 km deep · 30 km away
  3. 4.687 km E of Hihifo, Tonga · 3380 days ago · 27 km deep · 91 km away
  4. 4.3137 km NNE of Hihifo, Tonga · 3381 days ago · 10 km deep · 58 km away
  5. 4.585 km NNE of Hihifo, Tonga · 3392 days ago · 26 km deep · 13 km away
  6. 4.9100 km NNE of Hihifo, Tonga · 3392 days ago · 10 km deep · 36 km away
  7. 4.6107 km NNW of Hihifo, Tonga · 3401 days ago · 84 km deep · 94 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us20009xxf. Read Fri, Oct 2, 2026, 5:38 PM UTC.