M4.5 earthquake 175 km NW of Neiafu, Tonga
A magnitude 4.5 earthquake struck 175 km NW of Neiafu, Tonga on Sat, Jan 18, 2020, 6:41 AM GMT+13 (17:41 UTC), 248 km (154 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
- 4.5 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2020-01-17 17:41:30 UTC
- Depth
- 247.7 km (153.9 mi), intermediate-depth
- Epicenter
- 17.586° S, 175.219° 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 10.1 km horizontally, 7.3 km in depth
- Magnitude uncertainty
- ±0.10
- Depth from
- From location
- Station coverage gap
- 73°
- Stations used
- 39
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 7 in the 60 days after this one and 3 in the 30 days before it.
After
- 4.794 km NW of Neiafu, Tonga · 2449 days ago · 10 km deep · 84 km away
- 4.7134 km NW of Neiafu, Tonga · 2438 days ago · 10 km deep · 53 km away
- 4.8155 km NW of Neiafu, Tonga · 2438 days ago · 10 km deep · 21 km away
- 4.9109 km NW of Neiafu, Tonga · 2431 days ago · 92 km deep · 75 km away
- 4.790 km NNW of Neiafu, Tonga · 2427 days ago · 77 km deep · 93 km away
- 4.693 km NW of Neiafu, Tonga · 2419 days ago · 81 km deep · 84 km away
- 4.5146 km SSW of Hihifo, Tonga · 2406 days ago · 91 km deep · 93 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us60007j8l. Read Thu, Oct 1, 2026, 1:50 PM UTC.