M4.8 earthquake 155 km NW of Neiafu, Tonga
A magnitude 4.8 earthquake struck 155 km NW of Neiafu, Tonga on Wed, Jan 29, 2020, 8:29 AM GMT+13 (19:29 UTC), 10 km (6 mi) below the surface.
A larger quake followed: M4.9 109 km NW of Neiafu, Tonga. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.8 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2020-01-28 19:29:52 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 17.708° S, 175.068° 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 11.5 km horizontally, 1.9 km in depth
- Magnitude uncertainty
- ±0.13
- Depth from
- Operator assigned
- Station coverage gap
- 83°
- Stations used
- 26
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.8 and up: 5 in the 60 days after this one and 3 in the 30 days before it.
After
- 4.9109 km NW of Neiafu, Tonga · 2431 days ago · 92 km deep · 55 km away
- 4.790 km NNW of Neiafu, Tonga · 2427 days ago · 77 km deep · 73 km away
- 4.693 km NW of Neiafu, Tonga · 2419 days ago · 81 km deep · 63 km away
- 4.5146 km SSW of Hihifo, Tonga · 2406 days ago · 91 km deep · 91 km away
- 4.5134 km N of Neiafu, Tonga · 2405 days ago · 120 km deep · 99 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us70007k4s. Read Thu, Oct 1, 2026, 9:09 AM UTC.