M4.6 earthquake 189 km NW of Neiafu, Tonga
A magnitude 4.6 earthquake struck 189 km NW of Neiafu, Tonga on Thu, May 4, 2023, 6:30 AM GMT-12 (18:30 UTC), 257 km (160 mi) below the surface.
A larger quake followed: M6.9 132 km NW 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
- 2023-05-04 18:30:15 UTC
- Depth
- 257.1 km (159.7 mi), intermediate-depth
- Epicenter
- 17.314° S, 175.108° 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 8.1 km horizontally, 4.6 km in depth
- Magnitude uncertainty
- ±0.05
- Depth from
- From location
- Station coverage gap
- 53°
- Stations used
- 72
Nearby
Within 100 km, magnitude 1.6 and up: 5 in the 60 days after this one and 0 in the 30 days before it.
After
- 4.690 km NW of Neiafu, Tonga · 1216 days ago · 123 km deep · 100 km away
- 4.1146 km SSW of Hihifo, Tonga · 1211 days ago · 131 km deep · 89 km away
- 4.2133 km SSW of Hihifo, Tonga · 1205 days ago · 96 km deep · 96 km away
- 6.9132 km NW of Neiafu, Tonga · 1190 days ago · 229 km deep · 65 km away · felt by 21 · tsunami flag
- 4.4164 km NW of Neiafu, Tonga · 1189 days ago · 222 km deep · 26 km away
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us6000k9ib. Read Sun, Oct 4, 2026, 12:14 PM UTC.