M4.1 earthquake 119 km NNW of Neiafu, Tonga
A magnitude 4.1 earthquake struck 119 km NNW of Neiafu, Tonga on Tue, Jul 13, 2021, 10:59 PM GMT+13 (09:59 UTC), 10 km (6 mi) below the surface.
A larger quake followed: M5.2 43 km N 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
- 2021-07-13 09:59:35 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 17.751° S, 174.613° 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 13.7 km horizontally, 2.0 km in depth
- Magnitude uncertainty
- ±0.20
- Depth from
- Operator assigned
- Station coverage gap
- 144°
- Stations used
- 12
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 7 in the 60 days after this one and 1 in the 30 days before it.
After
- 5.243 km N of Neiafu, Tonga · 1904 days ago · 10 km deep · 83 km away · felt by 5
- 4.5187 km NW of Neiafu, Tonga · 1896 days ago · 261 km deep · 68 km away
- 4.3185 km SW of Hihifo, Tonga · 1886 days ago · 245 km deep · 69 km away
- 4.5122 km N of Neiafu, Tonga · 1879 days ago · 104 km deep · 49 km away
- 4.6Tonga · 1878 days ago · 130 km deep · 72 km away
- 4.9125 km N of Neiafu, Tonga · 1870 days ago · 57 km deep · 89 km away
- 4.3138 km SSW of Hihifo, Tonga · 1867 days ago · 110 km deep · 79 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us7000emky. Read Wed, Sep 30, 2026, 4:49 AM UTC.