M4.6 earthquake 203 km SW of Hihifo, Tonga
A magnitude 4.6 earthquake struck 203 km SW of Hihifo, Tonga on Sun, Oct 16, 2022, 9:54 AM GMT-12 (21:54 UTC), 260 km (161 mi) below the surface.
A larger quake followed: M4.7 147 km WNW 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
- 4.6 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2022-10-16 21:54:36 UTC
- Depth
- 259.5 km (161.3 mi), intermediate-depth
- Epicenter
- 17.195° S, 175.201° 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 13.1 km horizontally, 16.5 km in depth
- Magnitude uncertainty
- ±0.16
- Depth from
- From location
- Station coverage gap
- 126°
- Stations used
- 19
Nearby
Within 100 km, magnitude 1.6 and up: 7 in the 60 days after this one and 2 in the 30 days before it.
After
- 4.3174 km NW of Neiafu, Tonga · 1441 days ago · 206 km deep · 35 km away
- 4.5184 km NNW of Neiafu, Tonga · 1439 days ago · 230 km deep · 31 km away
- 4.5149 km NW of Neiafu, Tonga · 1434 days ago · 234 km deep · 64 km away
- 4.4136 km NW of Neiafu, Tonga · 1424 days ago · 198 km deep · 82 km away
- 4.4113 km SW of Hihifo, Tonga · 1418 days ago · 210 km deep · 92 km away
- 4.0208 km SW of Hihifo, Tonga · 1405 days ago · 250 km deep · 14 km away
- 4.7147 km WNW of Neiafu, Tonga · 1401 days ago · 194 km deep · 88 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us6000iva5. Read Fri, Oct 2, 2026, 2:05 PM UTC.