M4.7 earthquake 139 km WNW of Hihifo, Tonga
A magnitude 4.7 earthquake struck 139 km WNW of Hihifo, Tonga on Sat, Feb 24, 2018, 1:37 PM GMT-12 (01:37 UTC), 254 km (158 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
- 4.7 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2018-02-25 01:37:33 UTC
- Depth
- 254.3 km (158.0 mi), intermediate-depth
- Epicenter
- 15.663° S, 175.061° 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 6.5 km horizontally, 11.5 km in depth
- Magnitude uncertainty
- ±0.09
- Depth from
- From location
- Station coverage gap
- 143°
- Stations used
- 43
Nearby
Within 100 km, magnitude 1.7 and up: 6 in the 60 days after this one and 2 in the 30 days before it.
After
- 4.5132 km NW of Hihifo, Tonga · 3139 days ago · 251 km deep · 60 km away
- 4.2196 km WNW of Hihifo, Tonga · 3115 days ago · 94 km deep · 79 km away
- 4.2109 km WNW of Hihifo, Tonga · 3102 days ago · 276 km deep · 40 km away
- 4.2158 km W of Hihifo, Tonga · 3088 days ago · 293 km deep · 28 km away
- 4.4117 km WSW of Hihifo, Tonga · 3088 days ago · 275 km deep · 71 km away
- 5.691 km NW of Hihifo, Tonga · 3085 days ago · 10 km deep · 66 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us2000d7js. Read Sat, Oct 3, 2026, 3:29 AM UTC.