M4.7 earthquake 75 km SSE of ‘Ohonua, Tonga
A magnitude 4.7 earthquake struck 75 km SSE of ‘Ohonua, Tonga on Sat, Nov 3, 2018, 1:43 AM GMT+13 (12:43 UTC), 10 km (6 mi) below the surface.
A larger quake followed: M5.5 Tonga region. 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
- 2018-11-02 12:43:36 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 21.979° S, 174.725° 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 9.9 km horizontally, 2.0 km in depth
- Magnitude uncertainty
- ±0.14
- Depth from
- Operator assigned
- Station coverage gap
- 119°
- Stations used
- 20
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.7 and up: 8 in the 60 days after this one and 0 in the 30 days before it.
After
- 5.5Tonga region · 2886 days ago · 10 km deep · 30 km away
- 4.6159 km SSE of ‘Ohonua, Tonga · 2885 days ago · 10 km deep · 85 km away
- 5.0149 km SSE of ‘Ohonua, Tonga · 2880 days ago · 10 km deep · 76 km away
- 4.8130 km SSE of ‘Ohonua, Tonga · 2875 days ago · 10 km deep · 57 km away
- 4.7130 km SSE of ‘Ohonua, Tonga · 2874 days ago · 10 km deep · 55 km away
- 5.1156 km S of ‘Ohonua, Tonga · 2858 days ago · 10 km deep · 83 km away
- 4.8143 km SSE of ‘Ohonua, Tonga · 2856 days ago · 10 km deep · 74 km away
- 4.340 km SSE of ‘Ohonua, Tonga · 2856 days ago · 35 km deep · 37 km away
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us1000hpr7. Read Thu, Oct 1, 2026, 6:47 AM UTC.