M4.8 earthquake 96 km SW of ‘Ohonua, Tonga
A magnitude 4.8 earthquake struck 96 km SW of ‘Ohonua, Tonga on Thu, Mar 7, 2019, 11:59 PM GMT+13 (10:59 UTC), 10 km (6 mi) below the surface.
A larger quake followed: M4.9 160 km SSW of ‘Ohonua, Tonga. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.8 (mb), light
- Local time
- UTC
- 2019-03-07 10:59:25 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 22.037° S, 175.505° 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 9.2 km horizontally, 1.9 km in depth
- Magnitude uncertainty
- ±0.07
- Depth from
- Operator assigned
- Station coverage gap
- 65°
- Stations used
- 77
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.8 and up: 3 in the 60 days after this one and 1 in the 30 days before it.
After
- 4.6117 km SSW of ‘Ohonua, Tonga · 2759 days ago · 1 km deep · 28 km away
- 4.5138 km SW of Vaini, Tonga · 2740 days ago · 164 km deep · 66 km away
- 4.9160 km SSW of ‘Ohonua, Tonga · 2727 days ago · 35 km deep · 65 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us1000jbts. Read Wed, Sep 30, 2026, 10:23 PM UTC.