M4.1 earthquake 169 km NW of Neiafu, Tonga
A magnitude 4.1 earthquake struck 169 km NW of Neiafu, Tonga on Thu, May 13, 2021, 5:33 PM GMT+13 (04:33 UTC), 210 km (131 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
- 4.1 (mb), light
- Local time
- UTC
- 2021-05-13 04:33:47 UTC
- Depth
- 210.2 km (130.6 mi), intermediate-depth
- Epicenter
- 17.702° S, 175.248° 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 10.9 km horizontally, 11.1 km in depth
- Magnitude uncertainty
- ±0.14
- Depth from
- From location
- Station coverage gap
- 138°
- Stations used
- 20
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 4 in the 60 days after this one and 2 in the 30 days before it.
After
- 4.674 km NW of Neiafu, Tonga · 1957 days ago · 80 km deep · 100 km away
- 5.7147 km NW of Neiafu, Tonga · 1953 days ago · 201 km deep · 49 km away
- 4.8141 km NNW of Neiafu, Tonga · 1951 days ago · 105 km deep · 92 km away
- 4.4137 km WNW of Neiafu, Tonga · 1911 days ago · 188 km deep · 52 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us7000e4h4. Read Tue, Sep 29, 2026, 4:05 PM UTC.