M4.5 earthquake 132 km NW of Hihifo, Tonga
A magnitude 4.5 earthquake struck 132 km NW of Hihifo, Tonga on Wed, Feb 28, 2018, 7:52 AM GMT+14 (17:52 UTC), 251 km (156 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
- 4.5 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2018-02-27 17:52:30 UTC
- Depth
- 250.8 km (155.8 mi), intermediate-depth
- Epicenter
- 15.209° S, 174.761° 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 11.9 km horizontally, 9.0 km in depth
- Magnitude uncertainty
- ±0.09
- Depth from
- From location
- Station coverage gap
- 64°
- Stations used
- 47
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 4 in the 60 days after this one and 3 in the 30 days before it.
After
- 4.2196 km WNW of Hihifo, Tonga · 3114 days ago · 94 km deep · 67 km away
- 4.2109 km WNW of Hihifo, Tonga · 3102 days ago · 276 km deep · 35 km away
- 4.2158 km W of Hihifo, Tonga · 3088 days ago · 293 km deep · 86 km away
- 5.691 km NW of Hihifo, Tonga · 3085 days ago · 10 km deep · 41 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us1000d1hb. Read Fri, Oct 2, 2026, 2:04 PM UTC.