M4.4 earthquake 154 km E of ‘Ohonua, Tonga
A magnitude 4.4 earthquake struck 154 km E of ‘Ohonua, Tonga on Sun, Dec 30, 2018, 8:44 PM GMT+13 (07:44 UTC), 10 km (6 mi) below the surface.
A larger quake followed: M5.3 101 km E of ‘Ohonua, Tonga. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.4 (mb), light
- Local time
- UTC
- 2018-12-30 07:44:12 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 21.181° S, 173.467° 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 8.2 km horizontally, 1.9 km in depth
- Magnitude uncertainty
- ±0.15
- Depth from
- Operator assigned
- Station coverage gap
- 122°
- Stations used
- 16
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 5 in the 60 days after this one and 0 in the 30 days before it.
After
- 5.3101 km E of ‘Ohonua, Tonga · 2820 days ago · 10 km deep · 59 km away
- 4.5144 km SE of Pangai, Tonga · 2817 days ago · 10 km deep · 57 km away
- 4.7119 km E of ‘Ohonua, Tonga · 2812 days ago · 10 km deep · 37 km away
- 5.290 km ESE of ‘Ohonua, Tonga · 2781 days ago · 10 km deep · 78 km away
- 4.2126 km ESE of ‘Ohonua, Tonga · 2779 days ago · 10 km deep · 82 km away
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us2000j558. Read Wed, Sep 30, 2026, 9:47 PM UTC.