M4.1 earthquake 160 km NNW of Neiafu, Tonga
A magnitude 4.1 earthquake struck 160 km NNW of Neiafu, Tonga on Tue, Jul 19, 2016, 3:37 AM GMT-12 (15:37 UTC), 256 km (159 mi) below the surface.
A larger quake followed: M4.8 90 km NNW 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
- 4.1 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2016-07-19 15:37:14 UTC
- Depth
- 256.1 km (159.2 mi), intermediate-depth
- Epicenter
- 17.388° S, 174.732° 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 11.0 km horizontally, 9.4 km in depth
- Magnitude uncertainty
- ±0.14
- Depth from
- From location
- Station coverage gap
- 77°
- Stations used
- 22
Nearby
Within 100 km, magnitude 1.5 and up: 3 in the 60 days after this one and 3 in the 30 days before it.
After
- 4.890 km NNW of Neiafu, Tonga · 3709 days ago · 22 km deep · 71 km away
- 4.4132 km SW of Hihifo, Tonga · 3707 days ago · 160 km deep · 60 km away
- 4.4140 km S of Hihifo, Tonga · 3707 days ago · 130 km deep · 88 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us20006gsr. Read Sun, Oct 4, 2026, 5:38 AM UTC.