Tonga earthquakes

M4.3 earthquake 87 km SSW of Hihifo, Tonga

A magnitude 4.3 earthquake struck 87 km SSW of Hihifo, Tonga on Mon, Sep 19, 2016, 6:18 PM GMT-12 (06:18 UTC), 94 km (58 mi) below the surface.

A larger quake followed: M5.2 41 km W of Hihifo, Tonga. This one was a foreshock.

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

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The earthquake

Magnitude
4.3 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2016-09-20 06:18:01 UTC
Depth
93.6 km (58.2 mi), intermediate-depth
Epicenter
16.709° S, 174.048° 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 9.6 km horizontally, 8.6 km in depth
Magnitude uncertainty
±0.11
Depth from
From location
Station coverage gap
78°
Stations used
35

Nearby

Within 100 km, magnitude 1.5 and up: 14 in the 60 days after this one and 4 in the 30 days before it.

After

  1. 5.241 km W of Hihifo, Tonga · 3659 days ago · 126 km deep · 78 km away
  2. 4.3123 km SW of Hihifo, Tonga · 3652 days ago · 176 km deep · 58 km away
  3. 4.6124 km WSW of Hihifo, Tonga · 3646 days ago · 23 km deep · 90 km away
  4. 4.573 km S of Hihifo, Tonga · 3634 days ago · 54 km deep · 38 km away
  5. 4.985 km SSW of Hihifo, Tonga · 3631 days ago · 110 km deep · 3 km away
  6. 4.511 km NNW of Hihifo, Tonga · 3626 days ago · 80 km deep · 97 km away
  7. 4.5148 km SSW of Hihifo, Tonga · 3626 days ago · 109 km deep · 61 km away
  8. 4.5120 km SSW of Hihifo, Tonga · 3625 days ago · 168 km deep · 33 km away
  9. 4.489 km SE of Hihifo, Tonga · 3621 days ago · 35 km deep · 90 km away
  10. 4.392 km SSE of Hihifo, Tonga · 3621 days ago · 53 km deep · 61 km away
  11. 4.7Tonga · 3612 days ago · 106 km deep · 82 km away
  12. 4.4128 km N of Neiafu, Tonga · 3607 days ago · 10 km deep · 91 km away
  13. 4.4134 km S of Hihifo, Tonga · 3606 days ago · 10 km deep · 59 km away
  14. 4.4150 km NNW of Neiafu, Tonga · 3606 days ago · 84 km deep · 76 km away

Before

  1. 4.187 km SE of Hihifo, Tonga · 3674 days ago · 138 km deep · 89 km away
  2. 4.4106 km SSE of Hihifo, Tonga · 3675 days ago · 45 km deep · 64 km away
  3. 4.461 km SW of Hihifo, Tonga · 3676 days ago · 95 km deep · 42 km away
  4. 4.432 km WSW of Hihifo, Tonga · 3682 days ago · 116 km deep · 72 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us10006tvh. Read Sun, Oct 4, 2026, 3:04 AM UTC.