Tonga earthquakes

M4.5 earthquake 148 km SSW of Hihifo, Tonga

A magnitude 4.5 earthquake struck 148 km SSW of Hihifo, Tonga on Sun, Oct 30, 2016, 3:01 AM GMT-12 (15:01 UTC), 109 km (68 mi) below the surface.

A larger quake followed: M5.0 146 km S of Hihifo, Tonga. This one was a foreshock.

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The earthquake

Magnitude
4.5 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2016-10-30 15:01:09 UTC
Depth
108.7 km (67.6 mi), intermediate-depth
Epicenter
17.240° S, 174.202° 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 12.1 km horizontally, 7.5 km in depth
Magnitude uncertainty
±0.16
Depth from
From location
Station coverage gap
113°
Stations used
15

Nearby

Within 100 km, magnitude 1.5 and up: 15 in the 60 days after this one and 4 in the 30 days before it.

After

  1. 4.5120 km SSW of Hihifo, Tonga · 3625 days ago · 168 km deep · 29 km away
  2. 4.392 km SSE of Hihifo, Tonga · 3621 days ago · 53 km deep · 96 km away
  3. 4.1166 km NW of Neiafu, Tonga · 3618 days ago · 247 km deep · 73 km away
  4. 4.7Tonga · 3612 days ago · 106 km deep · 23 km away
  5. 4.4128 km N of Neiafu, Tonga · 3607 days ago · 10 km deep · 30 km away
  6. 4.4134 km S of Hihifo, Tonga · 3606 days ago · 10 km deep · 46 km away
  7. 4.4150 km NNW of Neiafu, Tonga · 3606 days ago · 84 km deep · 17 km away
  8. 4.4148 km SW of Hihifo, Tonga · 3604 days ago · 271 km deep · 65 km away
  9. 4.5108 km S of Hihifo, Tonga · 3600 days ago · 200 km deep · 44 km away
  10. 4.7114 km SSW of Hihifo, Tonga · 3591 days ago · 128 km deep · 35 km away
  11. 5.0146 km S of Hihifo, Tonga · 3590 days ago · 75 km deep · 21 km away
  12. 4.1112 km NW of Neiafu, Tonga · 3590 days ago · 223 km deep · 98 km away
  13. 4.574 km S of Hihifo, Tonga · 3589 days ago · 81 km deep · 85 km away
  14. 4.6151 km SSW of Hihifo, Tonga · 3587 days ago · 166 km deep · 30 km away
  15. 4.6126 km S of Hihifo, Tonga · 3580 days ago · 40 km deep · 57 km away

Before

  1. 4.985 km SSW of Hihifo, Tonga · 3631 days ago · 110 km deep · 64 km away
  2. 4.573 km S of Hihifo, Tonga · 3634 days ago · 54 km deep · 87 km away
  3. 4.580 km NNW of Neiafu, Tonga · 3651 days ago · 134 km deep · 82 km away
  4. 4.3123 km SW of Hihifo, Tonga · 3653 days ago · 176 km deep · 67 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us1000743l. Read Sun, Oct 4, 2026, 5:53 AM UTC.