M4.4 earthquake 187 km WNW of Neiafu, Tonga
A magnitude 4.4 earthquake struck 187 km WNW of Neiafu, Tonga on Thu, Oct 14, 2021, 4:51 PM GMT+13 (03:51 UTC), 267 km (166 mi) below the surface.
A larger quake followed: M4.9 257 km WNW 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
- 4.4 (mb), light
- Local time
- UTC
- 2021-10-14 03:51:47 UTC
- Depth
- 266.9 km (165.9 mi), intermediate-depth
- Epicenter
- 17.937° S, 175.594° 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 11.5 km horizontally, 10.2 km in depth
- Magnitude uncertainty
- ±0.14
- Depth from
- From location
- Station coverage gap
- 137°
- Stations used
- 18
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 3 in the 60 days after this one and 1 in the 30 days before it.
After
- 4.2144 km NW of Neiafu, Tonga · 1792 days ago · 262 km deep · 90 km away
- 4.6138 km NW of Neiafu, Tonga · 1780 days ago · 227 km deep · 83 km away
- 4.9257 km WNW of Neiafu, Tonga · 1776 days ago · 10 km deep · 84 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us6000fvwl. Read Wed, Sep 30, 2026, 3:47 AM UTC.