Tonga earthquakes

M4.4 earthquake 202 km SSE of ‘Ohonua, Tonga

A magnitude 4.4 earthquake struck 202 km SSE of ‘Ohonua, Tonga on Tue, Dec 4, 2018, 1:22 PM GMT+13 (00:22 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
4.4 (mb), light
Local time
UTC
2018-12-04 00:22:51 UTC
Depth
10.0 km (6.2 mi), shallow
Epicenter
23.058° S, 174.310° 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 8.1 km horizontally, 1.9 km in depth
Magnitude uncertainty
±0.14
Depth from
Operator assigned
Station coverage gap
97°
Stations used
20

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 10 in the 60 days after this one and 9 in the 30 days before it.

After

  1. 4.5173 km SSE of ‘Ohonua, Tonga · 2857 days ago · 10 km deep · 43 km away
  2. 4.8143 km SSE of ‘Ohonua, Tonga · 2855 days ago · 10 km deep · 72 km away
  3. 4.7236 km S of ‘Ohonua, Tonga · 2837 days ago · 10 km deep · 64 km away
  4. 5.1210 km S of ‘Ohonua, Tonga · 2835 days ago · 10 km deep · 64 km away
  5. 4.7219 km S of ‘Ohonua, Tonga · 2835 days ago · 10 km deep · 46 km away
  6. 4.9217 km S of ‘Ohonua, Tonga · 2835 days ago · 10 km deep · 50 km away
  7. 4.9210 km S of ‘Ohonua, Tonga · 2834 days ago · 10 km deep · 42 km away
  8. 4.9262 km S of ‘Ohonua, Tonga · 2832 days ago · 10 km deep · 88 km away
  9. 5.1161 km SSE of ‘Ohonua, Tonga · 2817 days ago · 10 km deep · 46 km away
  10. 5.2147 km SSE of ‘Ohonua, Tonga · 2807 days ago · 10 km deep · 56 km away

Before

  1. 4.8186 km SSE of ‘Ohonua, Tonga · 2858 days ago · 10 km deep · 15 km away
  2. 5.1156 km S of ‘Ohonua, Tonga · 2858 days ago · 10 km deep · 55 km away
  3. 4.8173 km S of ‘Ohonua, Tonga · 2862 days ago · 10 km deep · 78 km away
  4. 4.7130 km SSE of ‘Ohonua, Tonga · 2873 days ago · 10 km deep · 72 km away
  5. 4.8130 km SSE of ‘Ohonua, Tonga · 2874 days ago · 10 km deep · 76 km away
  6. 5.0149 km SSE of ‘Ohonua, Tonga · 2880 days ago · 10 km deep · 59 km away
  7. 4.6159 km SSE of ‘Ohonua, Tonga · 2885 days ago · 10 km deep · 46 km away
  8. 5.5Tonga region · 2885 days ago · 10 km deep · 100 km away
  9. 4.7178 km S of ‘Ohonua, Tonga · 2887 days ago · 10 km deep · 63 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us1000i4ac. Read Thu, Oct 1, 2026, 12:43 AM UTC.