M4.8 earthquake 104 km WNW of Neiafu, Tonga
A magnitude 4.8 earthquake struck 104 km WNW of Neiafu, Tonga on Thu, Sep 19, 2019, 9:54 AM GMT+13 (20:54 UTC), 175 km (109 mi) below the surface.
A larger quake followed: M6.6 136 km W 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
- 2019-09-18 20:54:06 UTC
- Depth
- 175.0 km (108.8 mi), intermediate-depth
- Epicenter
- 18.312° S, 174.909° 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 10.2 km horizontally, 7.3 km in depth
- Magnitude uncertainty
- ±0.10
- Depth from
- From location
- Station coverage gap
- 73°
- Stations used
- 45
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.8 and up: 8 in the 60 days after this one and 3 in the 30 days before it.
After
- 4.4148 km NW of Neiafu, Tonga · 2569 days ago · 195 km deep · 54 km away
- 5.180 km NW of Neiafu, Tonga · 2541 days ago · 10 km deep · 57 km away
- 5.178 km NW of Neiafu, Tonga · 2537 days ago · 10 km deep · 48 km away · felt by 1
- 6.6136 km W of Neiafu, Tonga · 2524 days ago · 10 km deep · 48 km away · felt by 8 · tsunami flag
- 5.5181 km W of Neiafu, Tonga · 2524 days ago · 10 km deep · 89 km away
- 4.9137 km W of Neiafu, Tonga · 2524 days ago · 10 km deep · 48 km away
- 5.5146 km W of Neiafu, Tonga · 2517 days ago · 10 km deep · 64 km away
- 6.2147 km W of Neiafu, Tonga · 2517 days ago · 10 km deep · 78 km away · felt by 6
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us70005i12. Read Sat, Oct 3, 2026, 4:10 AM UTC.