M4.3 earthquake 181 km NW of Neiafu, Tonga
A magnitude 4.3 earthquake struck 181 km NW of Neiafu, Tonga on Wed, Apr 14, 2021, 4:44 PM GMT-12 (04:44 UTC), 282 km (175 mi) below the surface.
A larger quake followed: M5.7 147 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
- 4.3 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2021-04-15 04:44:52 UTC
- Depth
- 282.0 km (175.2 mi), intermediate-depth
- Epicenter
- 17.324° S, 174.997° 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 10.8 km horizontally, 9.5 km in depth
- Magnitude uncertainty
- ±0.14
- Depth from
- From location
- Station coverage gap
- 133°
- Stations used
- 19
Nearby
Within 100 km, magnitude 1.5 and up: 4 in the 60 days after this one and 1 in the 30 days before it.
After
- 4.2139 km WSW of Hihifo, Tonga · 1990 days ago · 305 km deep · 80 km away
- 4.1169 km NW of Neiafu, Tonga · 1968 days ago · 210 km deep · 50 km away
- 5.7147 km NW of Neiafu, Tonga · 1955 days ago · 201 km deep · 34 km away
- 4.8141 km NNW of Neiafu, Tonga · 1953 days ago · 105 km deep · 62 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us6000e3g8. Read Fri, Oct 2, 2026, 2:28 AM UTC.