M4.6 earthquake 111 km ENE of Hihifo, Tonga
A magnitude 4.6 earthquake struck 111 km ENE of Hihifo, Tonga on Fri, Aug 24, 2018, 10:51 PM GMT+13 (09:51 UTC), 10 km (6 mi) below the surface.
A larger quake followed: M4.9 144 km NE 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
- 4.6 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2018-08-24 09:51:39 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 15.413° S, 172.922° 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 6.7 km horizontally, 1.5 km in depth
- Magnitude uncertainty
- ±0.12
- Depth from
- Operator assigned
- Station coverage gap
- 60°
- Stations used
- 27
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.6 and up: 5 in the 60 days after this one and 5 in the 30 days before it.
After
- 4.8123 km NE of Hihifo, Tonga · 2958 days ago · 10 km deep · 26 km away
- 4.9144 km NE of Hihifo, Tonga · 2948 days ago · 10 km deep · 49 km away
- 4.767 km N of Hihifo, Tonga · 2946 days ago · 82 km deep · 97 km away
- 4.397 km NE of Hihifo, Tonga · 2938 days ago · 10 km deep · 39 km away
- 4.6109 km NE of Hihifo, Tonga · 2909 days ago · 10 km deep · 22 km away
Before
- 4.6102 km NNE of Hihifo, Tonga · 2964 days ago · 19 km deep · 68 km away
- 5.1126 km NE of Hihifo, Tonga · 2965 days ago · 10 km deep · 42 km away
- 4.6134 km NNE of Hihifo, Tonga · 2965 days ago · 10 km deep · 86 km away
- 4.9108 km N of Hihifo, Tonga · 2971 days ago · 33 km deep · 91 km away · felt by 1
- 4.690 km NE of Hihifo, Tonga · 2984 days ago · 35 km deep · 23 km away
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us2000h63w. Read Sat, Oct 3, 2026, 12:06 AM UTC.