Tonga earthquakes

M4.5 earthquake 173 km SSE of ‘Ohonua, Tonga

A magnitude 4.5 earthquake struck 173 km SSE of ‘Ohonua, Tonga on Thu, Dec 6, 2018, 12:23 AM GMT+13 (11:23 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M5.2 147 km SSE of ‘Ohonua, Tonga. This one was a foreshock.

Nuku‘alofa forecastMore in Tonga

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
2018-12-05 11:23:15 UTC
Depth
10.0 km (6.2 mi), shallow
Epicenter
22.707° S, 174.139° 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 4.6 km horizontally, 1.9 km in depth
Magnitude uncertainty
±0.13
Depth from
Operator assigned
Station coverage gap
78°
Stations used
24

Nearest places

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

Nearby

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

After

  1. 4.8143 km SSE of ‘Ohonua, Tonga · 2856 days ago · 10 km deep · 32 km away
  2. 5.1210 km S of ‘Ohonua, Tonga · 2835 days ago · 10 km deep · 98 km away
  3. 4.7219 km S of ‘Ohonua, Tonga · 2835 days ago · 10 km deep · 86 km away
  4. 4.9217 km S of ‘Ohonua, Tonga · 2835 days ago · 10 km deep · 89 km away
  5. 4.9210 km S of ‘Ohonua, Tonga · 2835 days ago · 10 km deep · 79 km away
  6. 5.1161 km SSE of ‘Ohonua, Tonga · 2817 days ago · 10 km deep · 15 km away
  7. 5.2147 km SSE of ‘Ohonua, Tonga · 2807 days ago · 10 km deep · 31 km away

Before

  1. 4.4202 km SSE of ‘Ohonua, Tonga · 2858 days ago · 10 km deep · 43 km away
  2. 4.8186 km SSE of ‘Ohonua, Tonga · 2858 days ago · 10 km deep · 34 km away
  3. 5.1156 km S of ‘Ohonua, Tonga · 2858 days ago · 10 km deep · 58 km away
  4. 4.8173 km S of ‘Ohonua, Tonga · 2862 days ago · 10 km deep · 96 km away
  5. 4.7130 km SSE of ‘Ohonua, Tonga · 2874 days ago · 10 km deep · 49 km away
  6. 4.8130 km SSE of ‘Ohonua, Tonga · 2875 days ago · 10 km deep · 44 km away
  7. 5.0149 km SSE of ‘Ohonua, Tonga · 2881 days ago · 10 km deep · 25 km away
  8. 4.6159 km SSE of ‘Ohonua, Tonga · 2885 days ago · 10 km deep · 45 km away
  9. 5.5Tonga region · 2886 days ago · 10 km deep · 71 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us2000ist3. Read Thu, Oct 1, 2026, 8:46 AM UTC.