M4.6 earthquake 169 km WNW of Pangai, Tonga
A magnitude 4.6 earthquake struck 169 km WNW of Pangai, Tonga on Wed, Apr 19, 2023, 4:49 AM GMT+13 (15:49 UTC), 208 km (129 mi) below the surface.
A larger quake followed: M4.7 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
- 2023-04-18 15:49:09 UTC
- Depth
- 208.2 km (129.3 mi), intermediate-depth
- Epicenter
- 19.483° S, 175.928° 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 6.5 km horizontally, 6.3 km in depth
- Magnitude uncertainty
- ±0.08
- Depth from
- From location
- Station coverage gap
- 54°
- Stations used
- 59
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.6 and up: 4 in the 60 days after this one and 1 in the 30 days before it.
After
- 4.4158 km W of Neiafu, Tonga · 1259 days ago · 222 km deep · 99 km away
- 4.5Fiji region · 1258 days ago · 250 km deep · 95 km away
- 4.7Tonga · 1232 days ago · 149 km deep · 81 km away
- 4.5151 km NW of Houma, Tonga · 1228 days ago · 215 km deep · 78 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us6000k5bx. Read Fri, Oct 2, 2026, 4:38 AM UTC.