M4.7 earthquake 137 km SSW of Hihifo, Tonga
A magnitude 4.7 earthquake struck 137 km SSW of Hihifo, Tonga on Mon, Dec 24, 2018, 12:07 PM GMT-12 (00:07 UTC), 140 km (87 mi) below the surface.
A larger quake followed: M5.7 148 km S of Hihifo, Tonga. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.7 (mb), light
- Local time
- UTC
- 2018-12-25 00:07:05 UTC
- Depth
- 139.8 km (86.9 mi), intermediate-depth
- Epicenter
- 17.066° S, 174.368° 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 8.0 km horizontally, 6.3 km in depth
- Magnitude uncertainty
- ±0.07
- Depth from
- From location
- Station coverage gap
- 67°
- Stations used
- 73
Nearby
Within 100 km, magnitude 1.7 and up: 10 in the 60 days after this one and 1 in the 30 days before it.
After
- 5.7148 km S of Hihifo, Tonga · 2832 days ago · 120 km deep · 44 km away · felt by 1
- 4.6154 km SSW of Hihifo, Tonga · 2830 days ago · 80 km deep · 19 km away
- 5.0161 km NW of Neiafu, Tonga · 2827 days ago · 219 km deep · 67 km away
- 4.6148 km NW of Neiafu, Tonga · 2819 days ago · 10 km deep · 68 km away
- 5.2113 km NNW of Neiafu, Tonga · 2819 days ago · 10 km deep · 68 km away
- 4.6129 km NNW of Neiafu, Tonga · 2818 days ago · 10 km deep · 51 km away
- 4.3125 km SSW of Hihifo, Tonga · 2804 days ago · 183 km deep · 16 km away
- 5.379 km SSE of Hihifo, Tonga · 2795 days ago · 35 km deep · 97 km away
- 4.4104 km WSW of Hihifo, Tonga · 2791 days ago · 206 km deep · 93 km away
- 4.5120 km SW of Hihifo, Tonga · 2786 days ago · 185 km deep · 31 km away · felt by 1
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us2000ixam. Read Sun, Sep 27, 2026, 8:41 PM UTC.