M4.6 earthquake 75 km W of Pangai, Tonga
A magnitude 4.6 earthquake struck 75 km W of Pangai, Tonga on Tue, Dec 25, 2018, 6:04 AM GMT+13 (17:04 UTC), 117 km (73 mi) below the surface.
A larger quake followed: M4.9 113 km NW of Nuku‘alofa, Tonga. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.6 (mb), light
- Local time
- UTC
- 2018-12-24 17:04:55 UTC
- Depth
- 117.1 km (72.7 mi), intermediate-depth
- Epicenter
- 19.924° S, 175.061° 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 11.4 km horizontally, 4.2 km in depth
- Magnitude uncertainty
- ±0.10
- Depth from
- From location
- Station coverage gap
- 91°
- Stations used
- 32
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.6 and up: 4 in the 60 days after this one and 3 in the 30 days before it.
After
- 4.0Tonga · 2812 days ago · 165 km deep · 75 km away
- 4.868 km NE of Kolonga, Tonga · 2807 days ago · 113 km deep · 90 km away
- 4.9113 km NW of Nuku‘alofa, Tonga · 2805 days ago · 202 km deep · 97 km away
- 4.676 km WNW of Pangai, Tonga · 2788 days ago · 164 km deep · 46 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us2000j30l. Read Sun, Sep 27, 2026, 5:45 PM UTC.