M4.5 earthquake 64 km SW of Neiafu, Tonga
A magnitude 4.5 earthquake struck 64 km SW of Neiafu, Tonga on Mon, Jul 12, 2021, 3:37 AM GMT+13 (14:37 UTC), 10 km (6 mi) below the surface.
A larger quake followed: M5.4 122 km WNW of Pangai, Tonga. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.5 (mb), light
- Local time
- UTC
- 2021-07-11 14:37:29 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 19.020° S, 174.460° 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 8.0 km horizontally, 1.9 km in depth
- Magnitude uncertainty
- ±0.16
- Depth from
- Operator assigned
- Station coverage gap
- 153°
- Stations used
- 21
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 5 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 · 96 km away · felt by 5
- 4.7Tonga · 1903 days ago · 10 km deep · 42 km away · felt by 1
- 5.4122 km WNW of Pangai, Tonga · 1900 days ago · 216 km deep · 96 km away
- 4.352 km N of Pangai, Tonga · 1894 days ago · 50 km deep · 36 km away
- 5.416 km WNW of Neiafu, Tonga · 1855 days ago · 29 km deep · 56 km away · felt by 2
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us7000em9j. Read Wed, Sep 30, 2026, 8:12 AM UTC.