M4.6 earthquake 142 km ENE of Neiafu, Tonga
A magnitude 4.6 earthquake struck 142 km ENE of Neiafu, Tonga on Sun, Mar 3, 2019, 12:47 PM GMT-12 (00:47 UTC), 10 km (6 mi) below the surface.
A larger quake followed: M5.3 191 km NE 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
- 4.6 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2019-03-04 00:47:41 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 18.045° S, 172.792° 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 7.6 km horizontally, 1.7 km in depth
- Magnitude uncertainty
- ±0.07
- Depth from
- Operator assigned
- Station coverage gap
- 145°
- Stations used
- 72
Nearby
Within 100 km, magnitude 1.6 and up: 7 in the 60 days after this one and 0 in the 30 days before it.
After
- 4.6161 km E of Neiafu, Tonga · 2768 days ago · 10 km deep · 55 km away
- 4.5134 km E of Neiafu, Tonga · 2763 days ago · 10 km deep · 73 km away
- 4.6205 km E of Neiafu, Tonga · 2759 days ago · 10 km deep · 86 km away
- 5.3191 km NE of Neiafu, Tonga · 2752 days ago · 10 km deep · 51 km away · felt by 1
- 4.4112 km NE of Neiafu, Tonga · 2745 days ago · 10 km deep · 41 km away
- 4.8168 km E of Neiafu, Tonga · 2731 days ago · 10 km deep · 62 km away
- 4.6128 km NE of Neiafu, Tonga · 2710 days ago · 35 km deep · 63 km away
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us1000ja94. Read Thu, Oct 1, 2026, 1:27 PM UTC.