M4.3 earthquake 99 km WNW of Hihifo, Tonga
A magnitude 4.3 earthquake struck 99 km WNW of Hihifo, Tonga on Sat, Feb 24, 2018, 4:46 AM GMT+14 (14:46 UTC), 268 km (167 mi) below the surface.
A larger quake followed: M5.6 91 km NW of Hihifo, 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
- 2018-02-23 14:46:18 UTC
- Depth
- 268.2 km (166.7 mi), intermediate-depth
- Epicenter
- 15.693° S, 174.687° 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 16.3 km horizontally, 11.3 km in depth
- Magnitude uncertainty
- ±0.13
- Depth from
- From location
- Station coverage gap
- 136°
- 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: 6 in the 60 days after this one and 1 in the 30 days before it.
After
- 4.7139 km WNW of Hihifo, Tonga · 3141 days ago · 254 km deep · 40 km away
- 4.5132 km NW of Hihifo, Tonga · 3139 days ago · 251 km deep · 54 km away
- 4.2109 km WNW of Hihifo, Tonga · 3102 days ago · 276 km deep · 20 km away
- 4.2158 km W of Hihifo, Tonga · 3088 days ago · 293 km deep · 64 km away
- 4.4117 km WSW of Hihifo, Tonga · 3087 days ago · 275 km deep · 66 km away
- 5.691 km NW of Hihifo, Tonga · 3085 days ago · 10 km deep · 34 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us2000db4w. Read Fri, Oct 2, 2026, 11:31 AM UTC.