M4.7 earthquake 175 km S of ‘Ohonua, Tonga
A magnitude 4.7 earthquake struck 175 km S of ‘Ohonua, Tonga on Sat, May 19, 2018, 5:10 PM GMT+13 (04:10 UTC), 10 km (6 mi) below the surface.
A larger quake followed: M5.6 141 km S 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
- 4.7 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2018-05-19 04:10:05 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 22.908° S, 174.728° 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 7.7 km horizontally, 1.9 km in depth
- Magnitude uncertainty
- ±0.15
- Depth from
- Operator assigned
- Station coverage gap
- 94°
- Stations used
- 28
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.7 and up: 5 in the 60 days after this one and 2 in the 30 days before it.
After
- 4.886 km S of ‘Ohonua, Tonga · 3053 days ago · 35 km deep · 90 km away
- 5.4116 km S of ‘Ohonua, Tonga · 3025 days ago · 14 km deep · 69 km away
- 5.6141 km S of ‘Ohonua, Tonga · 3024 days ago · 10 km deep · 38 km away
- 4.4140 km S of ‘Ohonua, Tonga · 3022 days ago · 10 km deep · 46 km away
- 4.5165 km SSE of ‘Ohonua, Tonga · 3001 days ago · 66 km deep · 77 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us1000eaiz. Read Fri, Oct 2, 2026, 4:38 AM UTC.