M4.3 earthquake 83 km WSW of Neiafu, Tonga
A magnitude 4.3 earthquake struck 83 km WSW of Neiafu, Tonga on Thu, May 16, 2019, 12:09 AM GMT+13 (11:09 UTC), 102 km (64 mi) below the surface.
A larger quake followed: M4.5 18 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
- 4.3 (mb), light
- Local time
- UTC
- 2019-05-15 11:09:16 UTC
- Depth
- 102.5 km (63.7 mi), intermediate-depth
- Epicenter
- 19.064° S, 174.642° 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 13.8 km horizontally, 14.1 km in depth
- Magnitude uncertainty
- ±0.17
- Depth from
- From location
- Station coverage gap
- 145°
- Stations used
- 15
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 3 in the 60 days after this one and 2 in the 30 days before it.
After
- 4.3133 km W of Neiafu, Tonga · 2689 days ago · 237 km deep · 80 km away
- 4.518 km NNW of Neiafu, Tonga · 2660 days ago · 35 km deep · 86 km away
- 4.464 km WSW of Neiafu, Tonga · 2639 days ago · 55 km deep · 22 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us60003r6x. Read Tue, Sep 29, 2026, 7:12 PM UTC.