M4.3 earthquake 77 km WSW of Neiafu, Tonga
A magnitude 4.3 earthquake struck 77 km WSW of Neiafu, Tonga on Wed, Jul 26, 2017, 11:54 AM GMT+13 (22:54 UTC), 74 km (46 mi) below the surface.
A larger quake followed: M5.0 152 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
- 4.3 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2017-07-25 22:54:03 UTC
- Depth
- 73.6 km (45.7 mi), intermediate-depth
- Epicenter
- 18.862° S, 174.681° 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 11.0 km horizontally, 7.0 km in depth
- Magnitude uncertainty
- ±0.17
- Depth from
- From location
- Station coverage gap
- 104°
- Stations used
- 15
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 8 in the 60 days after this one and 0 in the 30 days before it.
After
- 4.668 km W of Neiafu, Tonga · 3343 days ago · 128 km deep · 12 km away
- 4.471 km WSW of Neiafu, Tonga · 3336 days ago · 113 km deep · 7 km away
- 4.696 km WSW of Neiafu, Tonga · 3333 days ago · 66 km deep · 20 km away
- 4.490 km NW of Neiafu, Tonga · 3327 days ago · 77 km deep · 93 km away
- 4.584 km NNW of Pangai, Tonga · 3315 days ago · 100 km deep · 37 km away
- 4.431 km N of Neiafu, Tonga · 3313 days ago · 10 km deep · 88 km away
- 4.9108 km WSW of Neiafu, Tonga · 3301 days ago · 129 km deep · 31 km away
- 5.0152 km WNW of Neiafu, Tonga · 3298 days ago · 213 km deep · 95 km away
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us2000a28u. Read Thu, Oct 1, 2026, 2:35 PM UTC.