M4.6 earthquake 284 km SW of Vaini, Tonga
A magnitude 4.6 earthquake struck 284 km SW of Vaini, Tonga on Fri, May 1, 2020, 4:45 PM GMT+13 (03:45 UTC), 111 km (69 mi) below the surface.
A larger quake followed: M5.8 south of the Fiji Islands. 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
- 2020-05-01 03:45:59 UTC
- Depth
- 111.1 km (69.1 mi), intermediate-depth
- Epicenter
- 23.097° S, 177.026° 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 14.1 km horizontally, 7.0 km in depth
- Magnitude uncertainty
- ±0.14
- Depth from
- From location
- Station coverage gap
- 120°
- Stations used
- 26
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
- 4.4274 km SW of Haveluloto, Tonga · 2337 days ago · 214 km deep · 51 km away
- 4.8208 km SW of ‘Ohonua, Tonga · 2322 days ago · 70 km deep · 97 km away
- 4.8south of the Fiji Islands · 2321 days ago · 10 km deep · 96 km away
- 5.8south of the Fiji Islands · 2315 days ago · 128 km deep · 100 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us70009b48. Read Sat, Oct 3, 2026, 12:04 AM UTC.