Tonga earthquakes

M4.7 earthquake 49 km SW of Hihifo, Tonga

A magnitude 4.7 earthquake struck 49 km SW of Hihifo, Tonga on Sat, Mar 18, 2017, 5:10 AM GMT+14 (15:10 UTC), 127 km (79 mi) below the surface.

A larger quake followed: M5.5 65 km SSE 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
4.7 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2017-03-17 15:10:07 UTC
Depth
127.3 km (79.1 mi), intermediate-depth
Epicenter
16.205° S, 174.183° 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 11.5 km horizontally, 6.4 km in depth
Magnitude uncertainty
±0.06
Depth from
From location
Station coverage gap
76°
Stations used
112

Nearest places

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

Nearby

Within 100 km, magnitude 1.7 and up: 12 in the 60 days after this one and 5 in the 30 days before it.

After

  1. 4.538 km NW of Hihifo, Tonga · 3484 days ago · 103 km deep · 51 km away
  2. 4.626 km N of Hihifo, Tonga · 3477 days ago · 66 km deep · 65 km away
  3. 4.827 km NNE of Hihifo, Tonga · 3476 days ago · 35 km deep · 75 km away
  4. 4.516 km SSE of Hihifo, Tonga · 3475 days ago · 110 km deep · 48 km away
  5. 5.119 km SSW of Hihifo, Tonga · 3455 days ago · 97 km deep · 37 km away
  6. 4.536 km ESE of Hihifo, Tonga · 3454 days ago · 129 km deep · 73 km away
  7. 4.925 km SSE of Hihifo, Tonga · 3448 days ago · 66 km deep · 55 km away
  8. 4.425 km SSE of Hihifo, Tonga · 3446 days ago · 86 km deep · 55 km away
  9. 5.565 km SSE of Hihifo, Tonga · 3445 days ago · 59 km deep · 68 km away · felt by 1
  10. 4.3Tonga · 3443 days ago · 267 km deep · 67 km away
  11. 4.3111 km SSW of Hihifo, Tonga · 3429 days ago · 148 km deep · 73 km away
  12. 4.993 km SSE of Hihifo, Tonga · 3428 days ago · 22 km deep · 90 km away

Before

  1. 4.2Tonga · 3502 days ago · 107 km deep · 63 km away
  2. 4.745 km NE of Hihifo, Tonga · 3510 days ago · 10 km deep · 95 km away
  3. 4.656 km N of Hihifo, Tonga · 3510 days ago · 69 km deep · 96 km away
  4. 4.951 km SW of Hihifo, Tonga · 3515 days ago · 92 km deep · 13 km away
  5. 4.270 km SW of Hihifo, Tonga · 3516 days ago · 139 km deep · 27 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us20008spx. Read Sat, Oct 3, 2026, 1:14 AM UTC.