M4.5 earthquake 6 km ENE of Neiafu, Tonga
A magnitude 4.5 earthquake struck 6 km ENE of Neiafu, Tonga on Thu, Mar 21, 2019, 10:33 PM GMT+13 (09:33 UTC), 79 km (49 mi) below the surface.
A larger quake followed: M5.1 58 km SW 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
- 4.5 (mb), light
- Local time
- UTC
- 2019-03-21 09:33:51 UTC
- Depth
- 78.6 km (48.9 mi), intermediate-depth
- Epicenter
- 18.636° S, 173.925° 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 11.7 km horizontally, 12.4 km in depth
- Magnitude uncertainty
- ±0.16
- Depth from
- From location
- Station coverage gap
- 104°
- Stations used
- 17
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
- 4.973 km NNW of Neiafu, Tonga · 2746 days ago · 148 km deep · 74 km away
- 5.158 km SW of Neiafu, Tonga · 2730 days ago · 35 km deep · 64 km away · felt by 2
- 4.383 km WSW of Neiafu, Tonga · 2692 days ago · 102 km deep · 89 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us2000k72j. Read Sun, Sep 27, 2026, 9:50 AM UTC.