M4.7 earthquake 274 km NW of Neiafu, Tonga
A magnitude 4.7 earthquake struck 274 km NW of Neiafu, Tonga on Mon, Sep 16, 2019, 11:45 AM GMT-12 (23:45 UTC), 205 km (127 mi) below the surface.
A larger quake followed: M4.8 267 km WNW 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
- 4.7 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2019-09-16 23:45:28 UTC
- Depth
- 205.0 km (127.4 mi), intermediate-depth
- Epicenter
- 17.161° S, 176.050° 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 14.1 km horizontally, 10.3 km in depth
- Magnitude uncertainty
- ±0.13
- Depth from
- From location
- Station coverage gap
- 153°
- Stations used
- 21
Nearby
Within 100 km, magnitude 1.7 and up: 1 in the 60 days after this one and 2 in the 30 days before it.
After
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us70005hc9. Read Sat, Oct 3, 2026, 9:22 AM UTC.