M4.5 earthquake 205 km SSW of ‘Ohonua, Tonga
A magnitude 4.5 earthquake struck 205 km SSW of ‘Ohonua, Tonga on Mon, Oct 31, 2016, 7:52 PM GMT+13 (06:52 UTC), 109 km (68 mi) below the surface.
A larger quake followed: M5.5 199 km SW of Vaini, 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, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2016-10-31 06:52:14 UTC
- Depth
- 108.7 km (67.5 mi), intermediate-depth
- Epicenter
- 22.993° S, 175.835° 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 11.4 km horizontally, 11.5 km in depth
- Magnitude uncertainty
- ±0.13
- Depth from
- From location
- Station coverage gap
- 192°, poorly surrounded by stations
- Stations used
- 20
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 6 in the 60 days after this one and 4 in the 30 days before it.
After
- 4.2220 km SW of Vaini, Tonga · 3609 days ago · 230 km deep · 97 km away
- 5.0202 km S of ‘Ohonua, Tonga · 3595 days ago · 10 km deep · 85 km away
- 5.5199 km SW of Vaini, Tonga · 3590 days ago · 155 km deep · 65 km away
- 4.6131 km SSW of ‘Ohonua, Tonga · 3576 days ago · 9 km deep · 74 km away
- 5.1212 km SSW of ‘Ohonua, Tonga · 3576 days ago · 51 km deep · 15 km away
- 4.9151 km SW of Vaini, Tonga · 3574 days ago · 131 km deep · 81 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us1000745l. Read Fri, Oct 2, 2026, 10:22 PM UTC.