M4.6 earthquake 74 km NW of Neiafu, Tonga
A magnitude 4.6 earthquake struck 74 km NW of Neiafu, Tonga on Sat, May 22, 2021, 2:58 PM GMT+13 (01:58 UTC), 80 km (49 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
- 4.6 (mb), light
- Local time
- UTC
- 2021-05-22 01:58:24 UTC
- Depth
- 79.5 km (49.4 mi), intermediate-depth
- Epicenter
- 18.103° S, 174.402° 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 11.6 km horizontally, 6.9 km in depth
- Magnitude uncertainty
- ±0.15
- Depth from
- From location
- Station coverage gap
- 149°
- Stations used
- 21
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.6 and up: 6 in the 60 days after this one and 4 in the 30 days before it.
After
- 5.7147 km NW of Neiafu, Tonga · 1953 days ago · 201 km deep · 73 km away
- 4.8141 km NNW of Neiafu, Tonga · 1952 days ago · 105 km deep · 73 km away
- 4.4137 km WNW of Neiafu, Tonga · 1912 days ago · 188 km deep · 82 km away
- 4.1119 km NNW of Neiafu, Tonga · 1905 days ago · 10 km deep · 45 km away
- 5.243 km N of Neiafu, Tonga · 1904 days ago · 10 km deep · 43 km away · felt by 5
- 4.7Tonga · 1903 days ago · 10 km deep · 91 km away · felt by 1
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us7000e583. Read Wed, Sep 30, 2026, 6:12 AM UTC.