M4.9 earthquake 59 km W of Haveluloto, Tonga
A magnitude 4.9 earthquake struck 59 km W of Haveluloto, Tonga on Thu, Dec 20, 2018, 5:00 PM GMT+13 (04:00 UTC), 85 km (53 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.9 (mb), light
- Local time
- UTC
- 2018-12-20 04:00:35 UTC
- Depth
- 84.9 km (52.8 mi), intermediate-depth
- Epicenter
- 21.149° S, 175.791° 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 9.7 km horizontally, 5.4 km in depth
- Magnitude uncertainty
- ±0.08
- Depth from
- From location
- Station coverage gap
- 66°
- Stations used
- 90
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.9 and up: 2 in the 60 days after this one and 2 in the 30 days before it.
After
- 4.9113 km NW of Nuku‘alofa, Tonga · 2808 days ago · 202 km deep · 91 km away
- 4.3132 km NW of Nuku‘alofa, Tonga · 2784 days ago · 517 km deep · 95 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us2000iv82. Read Wed, Sep 30, 2026, 4:07 PM UTC.