Tonga earthquakes

M4.5 earthquake 85 km NNE of Hihifo, Tonga

A magnitude 4.5 earthquake struck 85 km NNE of Hihifo, Tonga on Tue, Jun 20, 2017, 2:51 AM GMT+13 (13:51 UTC), 26 km (16 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
4.5 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2017-06-19 13:51:54 UTC
Depth
25.9 km (16.1 mi), shallow
Epicenter
15.283° S, 173.404° 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 13.4 km horizontally, 7.4 km in depth
Magnitude uncertainty
±0.10
Depth from
From location
Station coverage gap
113°
Stations used
38

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 8 in the 60 days after this one and 9 in the 30 days before it.

After

  1. 4.3137 km NNE of Hihifo, Tonga · 3381 days ago · 10 km deep · 54 km away
  2. 4.5117 km NE of Hihifo, Tonga · 3380 days ago · 35 km deep · 36 km away
  3. 4.287 km NNW of Hihifo, Tonga · 3372 days ago · 10 km deep · 63 km away
  4. 4.187 km NE of Hihifo, Tonga · 3372 days ago · 127 km deep · 13 km away
  5. 4.4142 km NE of Hihifo, Tonga · 3354 days ago · 10 km deep · 64 km away
  6. 4.587 km NE of Hihifo, Tonga · 3352 days ago · 10 km deep · 36 km away
  7. 5.7137 km SW of Gataivai, Samoa · 3336 days ago · 8 km deep · 62 km away
  8. 4.679 km NE of Hihifo, Tonga · 3335 days ago · 10 km deep · 25 km away

Before

  1. 4.9100 km NNE of Hihifo, Tonga · 3393 days ago · 10 km deep · 24 km away
  2. 4.6107 km NNW of Hihifo, Tonga · 3401 days ago · 84 km deep · 81 km away
  3. 4.479 km NNE of Hihifo, Tonga · 3404 days ago · 10 km deep · 16 km away
  4. 4.2119 km NE of Hihifo, Tonga · 3409 days ago · 36 km deep · 43 km away
  5. 4.390 km NNW of Hihifo, Tonga · 3413 days ago · 118 km deep · 83 km away
  6. 4.6108 km NE of Hihifo, Tonga · 3417 days ago · 12 km deep · 31 km away
  7. 4.9109 km NNE of Hihifo, Tonga · 3417 days ago · 10 km deep · 25 km away
  8. 4.3133 km SW of Gataivai, Samoa · 3417 days ago · 45 km deep · 72 km away
  9. 4.639 km NNE of Hihifo, Tonga · 3421 days ago · 69 km deep · 47 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us20009nl6. Read Fri, Oct 2, 2026, 9:33 PM UTC.