M4.9 earthquake 144 km NE of Hihifo, Tonga
A magnitude 4.9 earthquake struck 144 km NE of Hihifo, Tonga on Fri, Sep 7, 2018, 3:48 AM GMT+13 (14:48 UTC), 10 km (6 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, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2018-09-06 14:48:56 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 14.973° S, 172.913° 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 13.6 km horizontally, 1.9 km in depth
- Magnitude uncertainty
- ±0.04
- Depth from
- Operator assigned
- Station coverage gap
- 116°
- Stations used
- 32
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.9 and up: 4 in the 60 days after this one and 6 in the 30 days before it.
After
- 4.397 km NE of Hihifo, Tonga · 2939 days ago · 10 km deep · 47 km away
- 4.6109 km NE of Hihifo, Tonga · 2911 days ago · 10 km deep · 36 km away
- 4.3127 km NE of Hihifo, Tonga · 2894 days ago · 10 km deep · 29 km away
- 4.7100 km NNE of Hihifo, Tonga · 2894 days ago · 19 km deep · 57 km away
Before
- 4.8123 km NE of Hihifo, Tonga · 2960 days ago · 10 km deep · 24 km away
- 4.6111 km ENE of Hihifo, Tonga · 2963 days ago · 10 km deep · 49 km away
- 4.6102 km NNE of Hihifo, Tonga · 2965 days ago · 19 km deep · 60 km away
- 5.1126 km NE of Hihifo, Tonga · 2966 days ago · 10 km deep · 19 km away
- 4.6134 km NNE of Hihifo, Tonga · 2966 days ago · 10 km deep · 56 km away
- 4.9108 km N of Hihifo, Tonga · 2972 days ago · 33 km deep · 79 km away · felt by 1
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event us2000h9d5. Read Sun, Oct 4, 2026, 12:37 PM UTC.